Latest
Every new mashup, clip, crossover, tool, news story and guide, newest first. Last entry October 14, 2026. Follow along with the RSS feed.
- Guide
How to install and play A Hat in Minecraft (Hat Kid in Minecraft)What you need, the one-zip install with Prism Launcher, and what Hat Kid can do in Minecraft Java.
- Guide
How to install and play Amazing Frog Skate (Skate 3 in Amazing Frog?)Step by step: what you need, running the installer with your Amazing Frog Legacy folder and Skate 3 files, controls, guns on the board and uninstalling.
- Guide
How to install and play Garry's Modcraft (Minecraft in Garry's Mod)Linux only: the 64-bit Garry's Mod branch, Prism Launcher, the gmodcraft launcher, joining a server, and setting one up.
- Guide
How to install and play GModLight (Garry's Mod in Dying Light)The Garry's Mod 64-bit branch, the one-click Install.bat, F2 for the physgun, controls and Workshop weapon packs.
- Guide
How to install and play HL2Minecraft (Minecraft in Half-Life 2)Step by step: Minecraft 26.3 with Fabric, ReShade with add-on support in Half-Life 2, the auto-installing mod JAR, and controls.
- Guide
How to install and play iw4Strike (Counter-Strike on MW2's maps)Download the Windows or Linux build, point it at MW2 and Counter-Strike: Source, then the controls, bots, map names and defusal.
- Guide
How to install and play Rust Minecraft Invasion (Minecraft mobs on MW2's Rust)The Apple silicon app, pointing it at your own MW2 (2009) files, preparing Minecraft resources, starting a Rust Invasion match, controls and killstreaks.
- Guide
How to install and play SM64Craft (Super Mario 64 Coop DX inside Minecraft)Step by step: the Fabric instance, the in-game dependency installer and your own ROM, Mario's moves on Minecraft keys, and co-op with friends.
- Guide
How to install and play WarbandCraft (Minecraft in Mount & Blade: Warband)The macOS setup for this experimental prototype: v0.1.0, the optional 0.2.1 patch, F8 to switch to Steve, controls and known limits.
- Guide
How to play SOLAR64 (Mario Kart 64 x Cruis'n Exotica)Step by step: the two ROMs you need, playing in the browser or on Windows and Linux, controls, online rooms and the optional Sonic, Shadow and Devil Jin racers.
- Guide
How to install and play EldenCraft (Minecraft in Elden Ring)Step by step: the Elden Ring version you need, the one-script setup, the first Prism sign-in, controls, Torrent, saves and troubleshooting.
- Guide
How to install and play FN Skate 3 (Skate 3 in Fortnite OG)Step by step: the exact Fortnite build and launcher it needs, converting your Skate 3 disc with the setup program, injecting the mod and skating with J.
- Guide
How to install and play GrandTheftMinecraft (Minecraft creative in GTA V)Step by step: ScriptHookV and OpenIV.asi, installing the .oiv package, the one restart after first setup, controls, config.ini settings and uninstalling.
- Guide
How to install and play HelloCraft (Minecraft in Hello Neighbor)Step by step: Prism Launcher, Install.bat and Play.bat, controls, the F4 movement switch and the known problem spots in the acts.
- Guide
How to install and play Portalcraft (Minecraft in Portal 2)Step by step: what you need on Windows or Linux, the launcher's setup and Prism sign-in, Continue and New game, keys, console commands and known issues.
- Guide
How to install and play RE4Craft (Minecraft in Resident Evil 4)Step by step: the RE4 UHD build and Minecraft 26.3 you need, Setup.cmd and Play.cmd, the F8 switch, AZERTY controls, campaign loot and where the logs are.
- Guide
How to install and play SkateGM (Skate 3 in Garry's Mod)Step by step: the x86-64 Garry's Mod branch, the Workshop add-on, converting your Skate 3 disc with the installer, controls, minigames, Skate 3 maps and multiplayer.
- Guide
How to install and play the Wither Storm in GTA VStep by step: the GTA V Legacy and Minecraft 1.20.1 Forge setup, what's in the release zip, where its two folders go, starting both games, and the storm keys.
- Guide
How to install and play ULTRAKILL inside Minecraft (UKPassthrough)Step by step: the save you need, the Fabric half for Minecraft 26.3, the BepInEx half for ULTRAKILL, connecting the two, keys and the settings menu.
- Guide
How to install and play WitcherCraft (Minecraft in The Witcher 3)Step by step: the Witcher 3 patch you need, copying the mod into the game, the first-run Minecraft sign-in, two settings to change, keys and saving.
- Guide
How to install and use TamrielMerge (older Elder Scrolls games in Skyrim)Step by step: the games and Skyrim mods you need, installing the converter and its tools, running a conversion, and starting the merged playthrough.
- Released mashups
MINEKILL (Minecraft in ULTRAKILL)Minecraft's player, physics, inventory, building and mobs inside ULTRAKILL's levels, drawn natively by ULTRAKILL. Built independently of Killcraft, source only.
AI-built - Released mashups
Skate 64 (Skate 3 in Super Mario 64)Mario rides the Rust Skate 3 engine through the real Super Mario 64 in sm64coopdx, with full-body Skate poses, a replay editor, session markers and an object dropper.
AI-built - Released mashups
TamrielMerge (older Elder Scrolls games inside Skyrim)Converts the Daggerfall, Redguard, Morrowind and Oblivion you own into Skyrim Special Edition, as one playthrough in story order with a Travel Through Time power between them.
AI-built - Released mashups
A Hat in Minecraft (A Hat in Time × Minecraft)Play Minecraft Java as Hat Kid: a hidden A Hat in Time drives her real movement, model, animations and sounds, with all five hats, badges and the umbrella.
AI-built - Released mashups
Amazing Frog Skate (Skate 3 in Amazing Frog?)Skate 3's skating in Amazing Frog? Legacy: tricks, manuals, grinds, scoring, a replay editor, a custom skate park and guns you can fire while riding.
Unverified - Viral clips
Link in Just Cause 2 (work in progress)Twilight Princess's Link running around Just Cause 2 in a work-in-progress passthrough mod. Shown on YouTube only.
Unverified - Released mashups
Shadows of Tamriel (Assassin's Creed movement in Skyrim)Assassin's Creed 1's locomotion, free-running and leaps of faith running natively in Skyrim SE/AE, with animations extracted from your own copy of AC1. Work in progress, source only.
AI-built - Released mashups
WarbandCraft (Minecraft in Mount & Blade: Warband)Real Minecraft Java running alongside native macOS Warband: Steve builds, crafts and fights in Warband's battles, drawn inside Warband's own frame. An experimental Mac prototype.
Unverified - Released mashups
FN Skate 3 (Skate 3 in Fortnite OG)Skate 3's skating inside offline Fortnite Chapter 4 Season OG (v27.11): press J in a match and drop onto a board with Skate 3's physics, tricks, grinds, bails and Hall of Meat.
Unverified - Released mashups
HaloSkate 3 (Halo CE × Skate 3)The Halo CE campaign in a browser with a Skate 3 board you can drop anywhere: flick-it tricks, auto-found grind rails and kills that land in your combo.
AI-built - Released mashups
RE4Craft (Minecraft in Resident Evil 4)Minecraft Java 26.3 played inside the original Resident Evil 4 UHD: Steve's movement, blocks and combat against RE4's enemies, with crafting tiers that follow the campaign.
AI-built - Released mashups
SkateCity (Skate 3 in Batman: Arkham City)Batman on a Skate 3 board in Arkham City: flip tricks, rooftop grinds, cape glides between buildings and Hall of Meat-style bail scoring.
AI-built - Released mashups
SM64Craft (Super Mario 64 Coop DX inside Minecraft)A Super Mario 64 Coop DX game shown and controlled from inside Minecraft: Mario's moves on Minecraft keys, Steve's inventory and blocks, and co-op rooms that pull friends into the host's world.
Unverified - Released mashups
SOLAR64 (Mario Kart 64 x Cruis'n Exotica)A kart racer built from your own Mario Kart 64 and Cruis'n Exotica ROMs, with sky circuits, eight-player online races and optional Sonic and Shadow racers.
Unverified - Released mashups
DOOMCraft (Minecraft in Doom)Real Minecraft drawn into a patched GZDoom: play Doom's maps as Steve, mine its walls into the blocks they look like, and build walls monsters can't pass.
AI-built - Released mashups
HL2Minecraft (Half-Life 2 × Minecraft compositor)Minecraft's building, mobs, inventory and Elytra drawn inside Half-Life 2's Direct3D 9 world through a ReShade add-on, with two-way collision and combat. Separate from HalfCraft.
Unverified - Guide
How to install and play Killcraft (Minecraft inside ULTRAKILL)Step by step: BepInEx 5 for ULTRAKILL, where the Killcraft zip goes, the first-run Minecraft sign-in, controls, the Nether, settings and known limits.
- Guide
How to install and play Minecraft X Games (Minecraft inside RDR2, PEAK, Ready or Not, Cyberpunk 2077 and GTA V)Set up SkyCraft's Minecraft once without Skyrim, then add RedCraft, PeakCraft, ReadyCraft, CyberCraft or GTACraft. What each game needs, controls, fixes and removal.
- Guide
How to install and play MW2 x Risk of Rain 2 (the MW2 Soldier as a RoR2 survivor)Install the MW2 Soldier with r2modman or by hand, point it at your own MW2, then set up Create-a-Class and killstreaks. Controls, settings, getting unstuck and logs.
- Guide
How to install and play Skate IV (Skate 3's skating inside GTA IV)Set up the v0.8.11 experimental preview: GTA IV 1.0.8.0 with an ASI loader, your extracted Xbox 360 Skate 3, .NET 8 and Python, then Setup.cmd. Keys, logs and how to disable it.
- Guide
How to install and play WaW Halo 3 Zombies (Halo 3 in World at War's Nacht der Untoten)Build the mod from your own World at War and Halo MCC installs: the Mod Tools, Python, Install.bat and Play.bat, plus controls, Pack-a-Punch, fixes and uninstall.
- Released mashups
Metal Gear Skate 3 (Skate 3 in MGS3)Snake skates MGS3's own stages in Master Collection Vol.1 on the Rust Skate 3 engine, with Skate 3's controls, tricks, grinds, bails and skater sounds.
Unverified - Released mashups
Portalcraft (Minecraft in Portal 2)Portal 2's whole campaign played as a Minecraft player, with building and digging in the test chambers and portals that open onto a real Minecraft world. Windows and Linux.
AI-built - Released mashups
Rustify (Skyrim's whole map as Minecraft blocks)Converts Skyrim's entire world, every city, fort and mountain, into matching Minecraft blocks while you keep playing Skyrim with SkyCraft. Early alpha on Nexus Mods.
Unverified - Released mashups
SkateIV (Skate 3 in GTA IV)The Skate 3 Rust engine hosted inside GTA IV: Liberty City's world, player and traffic, with Skate 3's skating physics and animations. An experimental preview.
Unverified - Guide
Start here: how to install and play game mashups safelyWhat every downloadable mashup needs: your own copies of the games, the right game versions, mod loaders, and how to check a release before you run it.
- Released mashups
WitcherCraft (Minecraft in The Witcher 3)Play The Witcher 3 as Steve: Minecraft's movement, blocks and combat in Geralt's world, with Witcher senses, the map and the horse still a key away. A SkyCraft port.
AI-built - Viral clips
"Ocarina of Time mods are unhinged": pre-AI mods resurfaceAn Instagram reel by @_gmedley compiles Ocarina of Time mods "from 2024 BVC (before vibe coding)", among them notCHase's unreleased Pikmin mod, and asks fans to get him to release it. It showed about 24,700 likes and 241 comments by 13 October, as the AI mashup wave renewed interest in hand-made crossovers.
- Guide
How to install and play BullySkate (Skate 3 in Bully)Bully Scholarship Edition 1.200 plus your extracted Xbox 360 Skate 3 files: run the launcher, press F6, and skate Bullworth with the full controls table.
- Guide
How to install and play ER Mario (Mario in Elden Ring)me3, your own Super Mario 64 ROM and Elden Ring on Steam: set up ER Mario, switch cameras, summon Yoshi, and stay offline.
- Guide
How to install and play FalloutCraft (Minecraft in Fallout 4)Fallout 4 Next-Gen with F4SE, plus Minecraft on Fabric 26.3 or NeoForge 1.21.1: install both halves, launch in the right order, and learn the controls.
- Guide
How to install and play GTA San AnSkateas (Skate 3 in San Andreas)Downgrade classic GTA San Andreas to 1.0 US, add an ASI Loader, run Setup with your Skate 3 files, and press J to skate Los Santos.
- Guide
How to install and play GTA Skate (Skate 3 in GTA III and Vice City)No loaders needed: unblock the zip, run the launcher, point it at your Skate 3 files and your original GTA III or Vice City, and press J.
- Guide
How to install and play OWCraft (Minecraft in Outer Wilds)OWML, Fabric 26.3 and the OWCraft jar: install both halves, land on a planet, press F6, and build on Timber Hearth.
- Guide
How to install and play SkyCraft (Minecraft in Skyrim)Step by step: the Skyrim version you need, SKSE and Address Library, the first-run Minecraft sign-in, controls, multiplayer and fixes for common problems.
- Guide
How to install and play the 2010 Rust Rewrite Mashup (MW2 × Skate 3 × Minecraft)Set up the standalone launcher with your own Modern Warfare 2, optionally add Skate 3's skating from your Xbox 360 copy, and load the Minecraft overworld map.
- Released mashups
MW2 x Risk of Rain 2MW2 (2009) running inside Risk of Rain 2 as a new survivor: MW2's movement, guns, Create-a-Class, perks and all 15 killstreaks, with RoR2 items working off MW2 guns.
AI-built - Viral clips
Nine Sols in Hollow Knight (clip)A clip of Nine Sols' hero and parry combat inside Hollow Knight. No source has been found.
Unverified - Released mashups
Pokémon Ruby & Sapphire inside Pokémon Black 2Hoenn remade on the Nintendo DS inside Pokémon Black 2's engine. Distributed as patches only: you apply them to your own game.
AI-built - Released mashups
RimWorld x MW2Draft a RimWorld colonist and play their fights in first person in Modern Warfare 2's engine, while RimWorld keeps running the map, pawns, health, AI and guns.
AI-built - Released mashups
SK8V (Skate 3 in GTA V Legacy)Skate 3's core skating mechanics carried into GTA V Legacy.
Unverified - Alternatives
Step-by-step guides for every downloadable mashupThis site publishes install-and-play guides for SkyCraft, FalloutCraft, OWCraft, the 2010 Rust Rewrite Mashup, ER Mario, BullySkate, GTA San AnSkateas and GTA Skate (then, on 10 October, Killcraft, Minecraft X Games, WaW Halo, MW2 x Risk of Rain 2 and SkateIV), built from each project's own README and release notes, plus a start-here page on game versions, loaders and checking downloads. Disclosure: this site wrote them.
- Released mashups
ULTRAKILL inside Minecraft (UKPassthrough)Play a normal Minecraft world as V1: a hidden ULTRAKILL supplies the movement, weapons, arms and HUD, and every gun hurts Minecraft's mobs. Separate from ULTRACRAFT.
AI-built - Ports
A wave of single-game Rust rewritesAlongside the crossovers, the chasm Discord filled with AI-assisted Rust and Bevy rewrites of single games that read data from your own copy, the raw material for the next mashups. Among the public ones: Fallout: New Vegas (nv-rs), Mirror's Edge movement (faith-runner), Forza Horizon, Need for Speed: Most Wanted, Assassin's Creed, Counter-Strike: Source, Half-Life 2 (hl2-rs) and White Knuckle's climbing, followed by ULTRAKILL (ultrakrust), two Sekiro combat rewrites, Max Payne 2's combat and Portal 2's logic by 13 October. Most of their commits are co-authored by Claude.
- Released mashups
BeamNG × Los Santos (BeamNG.drive × GTA V)A real BeamNG.drive car, with its soft-body physics, tuning and damage, driving through GTA V Legacy's Los Santos with GTA's traffic and police. In development.
AI-built - Released mashups
BeamNG.drive cars in GTA V (universal-modder example)BeamNG.drive simulates the car, GTA V is the world: spawn a BeamNG car in story mode, drive it and crash it into GTA traffic with real soft-body damage. Work in progress.
AI-built - Released mashups
CrimsonRim (Crimson Desert combat in Skyrim)Skyrim SE fights played like Crimson Desert: Kliff's 3-hit combo, heavy finisher, timed parry and paired grab, read at runtime from your own Crimson Desert install.
Unverified - Viral clips
Crossover clips without a sourceClips of Sora in Borderlands 2, portals in Skate 3, Devil May Cry 5 in Minecraft, God of War in GTA and Nine Sols in Hollow Knight circulate on Instagram and YouTube accounts like @recompiledgames. None comes with a creator credit or code we could find, so they're listed as unverified clips.
- Viral clips
Devil May Cry 5 in Minecraft (clip)A clip of Devil May Cry 5's combat style inside Minecraft. No source has been found.
Unverified - Released mashups
Minecraft in GTA San Andreas (ASI mod)Mine and build in Los Santos, craft, survive, fight Creepers and the Warden, and blast into the map with TNT: a C++ ASI mod for classic San Andreas.
AI-built - Released mashups
Mojave in Skyrim (Courier 6 went down to Skyrim)Skyrim scored by Fallout: New Vegas: its soundtrack answers Skyrim's music cues, and Radio New Vegas with Mr. New Vegas plays on N, all from your own New Vegas install.
AI-built - Viral clips
Portals in Skate 3 (clip)A clip of Portal-style portals working inside Skate 3. No source has been confirmed.
Unverified - Released mashups
ApexRuntime (Apex Legends movement and guns in MW2)Apex Legends movement (slide, tap-strafe, superglide, mantle, wall climb) and weapon behaviour re-implemented in Rust from measurements, played in MW2 through an IW4L fork.
AI-built - Alternatives
Clean-room tributes you can play in a browserFive tributes to the best-known mashups (Blockrealm, Hollow Warden, Night Swing, Kickflip Ops and Block City) go live on this site. They rebuild the mechanics from observation with original code and CC0 assets, so they need no game files and run in a browser tab. Disclosure: this site made them.
- Released mashups
EndCraft (Minecraft in Arknights: Endfield)An experimental bridge that renders a Minecraft character and building inside Arknights: Endfield's world, on NeoForge 1.21.1 with Create.
AI-built - Viral clips
God of War × GTA (work in progress, clip)A work-in-progress clip of God of War's combat in GTA. Possibly related to a long-running GTA V God of War mod; unconfirmed.
Unverified - Viral clips
Kingdom Hearts II's Sora in Borderlands 2 (clip)A clip of Sora, with Kingdom Hearts II's combat, inside Borderlands 2. No source has been found.
Unverified - Released mashups
Minecraft in Granny LegacyReal Minecraft blended into the horror game Granny Legacy with a passthrough mod. The author calls it very buggy.
AI-built - Ports
Minecraft on Super Mario Galaxy 2's planetsGalaxyCraft releases a launcher that runs real Minecraft inside Super Mario Galaxy 2 through a patched Dolphin, generating terrain as spherical planets. It's the first mashup to bridge a PC game into an emulated console game, and its commits credit Claude on hundreds of changes.
- Released mashups
SkyDoom (DOOM in Skyrim)The original DOOM running inside Skyrim through SKSE and Chocolate Doom, inspired by SkyCraft.
Unverified - Released mashups
WaW Halo (Halo 3 in World at War Zombies)Nacht der Untoten as Halo 3: play Master Chief against the Flood with Halo 3's guns, grenades, sounds and HUD, converted from your own copies of both games.
AI-built - Released mashups
CallOfWarcraft (World of Warcraft × MW2)"Warcraft with a gun": a hidden MW2 runtime supplies a live gun, arms and weapon simulation, drawn in a vanilla WoW 1.12.1 client against a patched local server.
Unverified - Viral clips
Cuphead × Hollow Knight (clip)A clip of Cuphead and Hollow Knight combined. Hollow Knight has had Cuphead boss mods since 2020; this clip's source isn't confirmed.
Unverified - Released mashups
DSR × MW2 (Modern Warfare 2 guns in Dark Souls Remastered)MW2's M9, Intervention and SCAR-H with M203 inside native Dark Souls Remastered, with MW2 hands, reloads, recoil and audio, and a bonfire armory. Source release.
AI-built - Released mashups
Elden Ring Bosses in GTA V (Elden Los Santos)Malenia, Starscourge Radahn, a 60-metre Fire Giant and Godfrey fought in GTA V story mode with guns, cars and helicopters, from your own converted Elden Ring assets.
Unverified - Released mashups
EldenCraft (Minecraft in Elden Ring)Minecraft Java inside Elden Ring with a campaign: mine the Lands Between, buy diamonds with runes, ride Torrent as a Minecraft horse, and climb from wood to netherite over 159 boss rewards.
Unverified - Released mashups
FortressCraft (Team Fortress 2 in Minecraft)An experimental passthrough mod (now called FortCraft) that plays Team Fortress 2 inside Minecraft Java, using Minecraft's world, blocks, mobs and terrain. Windows and Linux.
AI-built - Released mashups
HelloCraft (Minecraft in Hello Neighbor)A hidden Minecraft drives the player in Hello Neighbor: build and mine in the neighbour's house, knock him down with arrows and TNT, and still pick up, throw and hide.
AI-built - Guide
How to build a clean-room game mashup with an AI agentSpec, simulate, then wire modes together: the workflow behind GameMash, from a feel spec to a WebAssembly build anyone can play.
- Released mashups
iw4Strike (Counter-Strike on MW2's maps)An IW4L fork that keeps Modern Warfare 2's maps and replaces the gameplay with Counter-Strike: CS:GO movement and spray, Counter-Strike: Source guns and HUD, buy menu and bomb defusal.
AI-built - Released mashups
Black Ops II Zombies in MinecraftBlack Ops II Zombies rounds every night in a Minecraft world, a fan mod built on IW4L and chasmlol's 2010 Rust Rewrite Mashup.
AI-built - Viral clips
Elden Ring as a shooter (Huberticus)Eight other games' mechanics and weapons inside Elden Ring, from DOOM and Halo to Titanfall 2 and Tony Hawk's Pro Skater 2. Clip only.
Unverified - Viral clips
Elden Ring combat in Skyrim (Rust controller rewrite)Elden Ring's player movement and combat rewritten in Rust from the game's own data, then dropped into Skyrim. The rewrite is public; the Skyrim mod isn't out yet.
AI-built - Engines & rewrites
IW4L becomes a platformForks of the Rust Modern Warfare 2 runtime turn it into a base for other games' movement: Mirrorwarfare adds Mirror's Edge Catalyst's parkour, a fan mod runs Black Ops II-style Zombies in the 2010 mashup's Minecraft world, and SK8V carries the mashup's skate engine into GTA V Legacy (9 October).
- Tools
Melty, a launcher for mashupsA free Windows launcher that installs mashups of games you own in one click, with multiplayer lobbies. New mashups are written by coding agents from instructions you paste into Claude Code or Codex. Melty is in Y Combinator's Fall 2026 batch, founded by David Miller. Some viewers questioned whether its demo clips came from other projects.
- Backlash
Modders push backVGC collects the reaction from established modders. A Kingdom Hearts modder says that if this becomes the permanent state of modding, their current project may be their last. Another calls the click-winning clips "jingling keys". The Banjo-Kazooie PC port lead says their project will never use AI.
- Released mashups
Skate Fortress 2 (Skate 3 in Team Fortress 2)Press a key and your TF2 class drops onto a board: Skate 3's real skating simulation running inside a Source SDK 2013 Team Fortress 2 mod, with multiplayer prediction.
AI-built - Backlash
The "slopcomp" fightThe human teams behind Zelda and Banjo Recompiled disown the AI-generated Banjo-Tooie port, calling vibe-coded recompilations "slopcomps". They say it patches recompiled code from the wrong side, which makes it unmaintainable, and that building on their research by throwing AI at it is disrespectful.
- Released mashups
Garry's Modcraft (Minecraft in Garry's Mod)Play Garry's Mod as a Minecraft player: dig into any GMod map, build blocks GMod props and vehicles collide with, physgun mobs and wire redstone to Wiremod. Linux, with multiplayer servers.
Unverified - Released mashups
Garry's Redemption (Garry's Mod in RDR2)Play Red Dead Redemption 2's story mode as a Garry's Mod player, with the physgun, toolgun, weapons and Q menu.
AI-built - Released mashups
GModLight (Garry's Mod in Dying Light)Garry's Mod's physgun, weapons and spawn menu inside Dying Light: fling, freeze and shoot Dying Light's zombies with a hidden Garry's Mod doing the work.
AI-built - Released mashups
GrandTheftMinecraft (Minecraft creative in GTA V)Minecraft creative mode in GTA V story mode: 630+ blocks as real GTA objects, TNT that blows up cars, elytra, mobs that fight pedestrians and a buildable Wither.
AI-built - Released mashups
HalfCraft (Minecraft in Half-Life 2)Minecraft's mechanics and gameplay brought into Half-Life 2's City 17, based on SkyCraft's passthrough design.
Unverified - Released mashups
Killcraft (Minecraft in ULTRAKILL)Play ULTRAKILL as a Minecraft player: Minecraft's movement, health, hunger, inventory, swords, bows and block building against ULTRAKILL's enemies, built on SkyCraft.
AI-built - Released mashups
Minecraft X Games (RedCraft, CyberCraft, GTACraft, PeakCraft, ReadyCraft)Five SkyCraft-based mods that put a Minecraft player inside Red Dead Redemption 2, Cyberpunk 2077, GTA V, PEAK and Ready or Not, one release per game.
Unverified - Released mashups
Mirrorwarfare (Mirror's Edge movement in MW2)Faith's parkour from Mirror's Edge Catalyst inside the Rust rewrite of Modern Warfare 2: wallruns, vaults and slides with MW2's guns in free-for-all.
AI-built - Ports
Passthrough mods spread past Minecraft-in-XIn the week after SkyCraft, the same design is pointed at new hosts and guests almost daily: ULTRAKILL inside Minecraft (ULTRACRAFT), Minecraft in Half-Life 2, World of Warcraft 1.12, Arknights: Endfield, Granny Legacy and GTA San Andreas, DOOM in Skyrim, and Team Fortress 2 in Minecraft. ULTRACRAFT passes 5,600 release downloads by 9 October.
- Released mashups
ULTRACRAFT (ULTRAKILL in Minecraft)The real ULTRAKILL inside real Minecraft 1.21.11: a Fabric mod and a BepInEx bridge let you swap between Steve and V1 with F8.
AI-built - Coverage
What's real and what you can downloadVGTimes goes through the viral clips one by one. Only a handful have code behind them (Mario in Elden Ring, SkyCraft, the MW2 skate mashup, the GTA and Bully skate mods). Most of the most-viewed clips have no release, and some no named creator.
- Tools
Community guides for building mashups with AI agentsTrev, a moderator of the chasm Discord, published ai-game-modding-guides, beginner guides to passthrough mods, Rust rewrites, mod loaders and script extenders. Its advice: use a coding agent on your PC rather than a chat website, check the host game has a mod loader, start from an example project (SkyCraft for passthrough, hl2-rs for rewrites) and never commit game files. It passed 400 stars within a week. By 13 October the GitHub account and repository had been deleted; an Internet Archive copy from 7 October survives.
- Released mashups
Monster Hunter Tri x Final Fantasy XIA native PC port of Monster Hunter Tri played as Final Fantasy XI: your FFXI character, menus, jobs, spells, Trusts and music, inside Monster Hunter's world.
AI-built - Released mashups
SkateGM (Skate 3 in Garry's Mod)Skate 3's board physics, tricks and scoring inside Garry's Mod, on any map and in multiplayer, with 22 minigames, a park editor and Skate 3 maps built from your own disc.
AI-built - Released mashups
Super Minecraft Galaxy / GalaxyCraft (Minecraft in Super Mario Galaxy 2)Real Minecraft on Super Mario Galaxy 2's spherical planets: a Fabric mod, a patched Dolphin and a Syati module sharing one world, with Mario as the player.
AI-built - Platforms & takedowns
The Mario in Elden Ring clip is taken downDeltaroo3D's clip of Super Mario 64's Mario in Elden Ring, at 2.9 million views and 60,000 likes, is removed after a copyright claim. The mod's code stays up on GitHub.
- Released mashups
ArkWeb (Spider-Man web-swinging in Arkham Knight)Spider-Man Remastered's web-swinging inside Batman: Arkham Knight's Gotham, installed by Claude on your PC.
AI-built - Released mashups
GTA San AnSkateas (Skate 3 in San Andreas)Skate 3's skating inside GTA: San Andreas through a C++ ASI plugin and the Skate 3 Rust rewrite.
AI-built - Backlash
Kotaku: "Modders, please stop"Amelia Zollner argues the mashups are made for social feeds, not for playing, and that none of the combined mechanics actually synergize. It was the first major outlet to push back.
- Released mashups
Minecraft Ring (Minecraft in Elden Ring, Windows)Real Minecraft Java 1.21.1 alongside Elden Ring on Windows: Minecraft movement, building and combat in the Lands Between, composited into Elden Ring's D3D12 frame.
Unverified - Released mashups
OWCraft (Minecraft in Outer Wilds)Land on a planet, press F6 and you're playing real Minecraft on its surface. Built on SkyCraft.
AI-built - Released mashups
Wither Storm in GTA V (passthrough)Minecraft 1.20.1 with Cracker's Wither Storm Mod running beside GTA V Legacy: the real storm appears in Los Santos and pulls up and consumes GTA's people and cars.
AI-built - Released mashups
World of Skatecraft (Skate 3 in World of Warcraft 1.12.1)Skate 3's skating in World of Warcraft 1.12.1 on benilla, a from-scratch Rust WoW client: summon a board like a mount and level Skateboarding as a profession.
AI-built - Tools
awesome-game-mashups, a community indexbailo167 started awesome-game-mashups, a CC0 curated list of games rebuilt inside other games with a JSON export, and shared it in the chasm Discord.
- Released mashups
BullySkate (Skate 3 in Bully)Jimmy skating around Bullworth with the Skate 3 Rust rewrite, with controller support and rigging.
AI-built - Released mashups
FalloutCraft (Minecraft in Fallout 4)A port of SkyCraft's passthrough design to Fallout 4: Minecraft movement, building and combat in the Commonwealth.
AI-built - Released mashups
Rust Minecraft Invasion (Minecraft mobs on MW2's Rust)A survival mode where 134 Minecraft mobs, Ender Dragons and Wardens included, invade MW2's Rust map, and every standard MW2 killstreak is earned by killing them. Apple silicon build.
Unverified - Coverage
Tech press picks it upAfter the MW2 skating coverage, VideoCardz runs one of the first write-ups on the wider trend, collecting the X clips from Minecraft in Elden Ring to Mario Kart in CoD Zombies. TweakTown and others follow within days.
- Released mashups
WoWCraft (Minecraft in World of Warcraft 1.12)Minecraft played inside the World of Warcraft 1.12 client, with co-op: a launcher points at your WoW folder and Prism Launcher handles Minecraft.
Unverified - Viral clips
"Modding has Changed FOREVER…"chasm's YouTube round-up of the first mashups reaches 2.4 million views in a week. Compilation videos like it spread the clips far beyond X, often without crediting the original makers.
- Released mashups
ER Mario (Mario in Elden Ring)Play Elden Ring as Mario with Super Mario 64's real movement: triple jumps, wall kicks, ground pounds and Bowser's tail swing on bosses.
AI-built - Released mashups
GTA Skate 3 Trilogy (Skate 3 in Vice City and GTA III)Skate 3 skating merged into the reVC and re3 source rewrites of Vice City and GTA III.
AI-built - Released mashups
Halo / MW2 Director (Halo CE × MW2 on IW4L)A native Mac cinematic prototype that stages Halo CE's Chief, Warthog and weapons on MW2's Rust map in IW4L, with bot matches and an experimental Battle Creek import.
Unverified - Ports
Halo: Combat Evolved runs in a browserMitchell Hynes puts the original Xbox Halo in a browser tab, with the campaign, split-screen co-op and 128-player online rooms, built on a community decompilation. It's not a mashup, but it showed the same week how far AI-assisted ports had come, and that a browser could host them.
- Released mashups
Minecraft in GTA V (universal-modder)Steve gliding an elytra over Los Santos and the Nether spreading through the city, built with an open toolkit for pointing AI coding agents at any game.
AI-built - Released mashups
SkyCraft (Minecraft in Skyrim)Play Skyrim as a Minecraft player: Minecraft's physics, inventory, blocks and combat in Skyrim's world. The passthrough mod that set the template.
AI-built - Viral clips
Tarkov in Skyrim (viral clip)Escape from Tarkov's guns, inventory and UI inside Skyrim. One of the first viral mashup clips; a follow-up added Spider-Man. No code released.
Unverified - Coverage
The first explainersYouTuber LudocowTV's analysis of what the mashups mean for the industry passes 150,000 views in a week, as commentary channels start covering the trend.
- Viral clips
"First MW2 x Skate trickshot"codthugger posts the first MW2 skate trickshot clip, and skating in MW2 becomes an X trending topic, "Modders Add Skateboarding to 2009 Modern Warfare 2". The trickshot post showed about 429,000 views by 13 October; Kotaku later embedded it.
- Coverage
Gaming press covers skating in MW2Dexerto, Insider Gaming, Operation Sports and MakeUseOf write up the MW2 skate and Minecraft clips; MakeUseOf identifies the base as IW4L, a Rust rewrite of MW2, with MinecraftOSS for the world. GameSpot and Held Games follow on 30 September, and Held Games reports chasm's clip at 6.7 million views.
- Viral clips
Minecraft in Elden Ring (viral clip)The most-viewed clip of the wave, reported at 22.5 million views, showing Minecraft gameplay in the Lands Between. No code has been released.
Unverified - Viral clips
World at War Zombies in the browser (P.E. Cooper)Call of Duty: World at War's first zombies map, ported to the web by Opus 5.5, then crossed with Wii Sports, Mario Kart, Portal, Fortnite, NHL and Halo.
AI-built - Ports
An AI-generated Banjo-Tooie PC port appearsA native Windows recompilation of Banjo-Tooie whose README says AI tools generated substantial portions of the code. Within a week it was at the centre of the "slopcomp" fight (see 5 October).
- Viral clips
Call of Duty × Minecraft hits YouTubeA video of Call of Duty merged with Minecraft passes 619,000 views in its first week, the first mashup clip to break out on YouTube.
- Viral clips
Fan clips of Skate 3 in MW2Within a day of the release, players post their own clips, among them tvllerr's "Minecraft x Skate 3 x MW2", LordHeap's "Skate 3 in MW2 is pure nostalgia" and KiyyDumb's Minecraft-in-MW2 clip, each showing roughly 470,000 to 590,000 views on the posts by 13 October. LordHeap credited the mod to vtroc7 (IW4L) and chasm.
- Viral clips
"Claude code hit this community like crack"zom quotes FaZe Scope's MW2 skating clip and credits Claude Code, and replies start asking whether it is a real Skate 3 physics port. The quote post itself showed about 1.1 million views and 21,800 likes by 13 October. chasm's launch post and the repository followed that evening.
- Released mashups
2010 Rust Rewrite Mashup (MW2 × Skate 3 × Minecraft)Modern Warfare 2, Skate 3 and an endless Minecraft world in one Rust game, built from two AI-assisted engine rewrites.
AI-built - Platforms & takedowns
chasm opens a Discord server, which becomes the trend's workshopchasm's Discord server, opened the day the 2010 Rust Rewrite Mashup came out, became where most of the second wave was built and shared. Its share-your-projects forum, added the next day, held more than 200 project posts by 10 October 2026, and a curated project-showcase forum followed on 6 October.
- Viral clips
FaZe Scope: "New MW2 update in 2026 is crazy"FaZe Scope posts a 17-second clip of a Modern Warfare 2 soldier on Terminal with an on-screen "SKATE … J: return to MW2" bar, the skate mode later released in the 2010 Rust Rewrite Mashup. It went up more than a day before chasm's launch post and before any skate-mode code was public, and doesn't say who made the footage. The post itself showed about 2.4 million views and 24,600 likes by 13 October.
- AI models
Claude Opus 5.5 is releasedAnthropic's new flagship launches at about 40% lower cost than Opus 5 for typical workloads. Nearly every mashup of the next two weeks credits it. Cheaper long agent sessions made it affordable to point a model at a game's compiled code for hours.
- Viral clips
chasm: "I rewrote Skate 3 in Rust"The earliest known post of the trend. chasm (chasmlol on GitHub) shows Skate 3's skating running in a Rust rewrite, built with what they called a human-and-AI development loop. The post itself showed about 6,000 likes and 137,000 views by 13 October.
- Engines & rewrites
IW4L, a Modern Warfare 2 runtime in Rustvladtrc publishes a standalone, experimental Call of Duty runtime in Rust on Bevy and wgpu. Because it and the Skate 3 engine were both Bevy codebases, they could be merged two weeks later.
- Engines & rewrites
skate-3-rust-engine is publishedA Rust/Bevy skating engine built from Skate 3 reverse-engineering research, with game assets loaded from your own copy. It became the most reused engine of the wave, behind the MW2 mashup and every GTA and Bully skate mod.
- Platforms & takedowns
Nexus Mods expands its AI disclosure tagsTwo months before the wave, the largest mod host split its generative-AI tag into three (AI-Generated Content, AI Media and AI Assisted) and said undisclosed AI use could lead to moderation. Its guidance asks modders to avoid AI tools unless they have permission for every asset, which is one reason the mashups never appeared there.
- Engines & rewrites
benilla, a World of Warcraft client rewritten in RustA complete World of Warcraft 1.12.1 client, written from scratch in Rust on Bevy and loading data from your own install. It was an early sign that AI-assisted full-engine rewrites had become practical.
- Viral clips
Ocarina of Time, but it's Dragon Ball (notCHase)Link fires a Kamehameha and rides the Flying Nimbus in notCHase's April 2026 Ship of Harkinian mod, his most-watched video. Not released.
Conventional mod - Viral clips
Super Monkey Ball in Ocarina of Time (notCHase)Link rolls through Hyrule in a monkey ball in notCHase's February 2026 Ship of Harkinian mod. Shown on YouTube only.
Conventional mod - Viral clips
Ocarina of Time x RV There Yet? (Epona with winch physics)notCHase gave Epona the physics winch from RV There Yet? in a January 2026 Ship of Harkinian mod. Shown on YouTube only.
Conventional mod - Released mashups
Danny's AOT (Attack on Titan in Minecraft)A long-running Fabric mod that brings Attack on Titan's ODM gear, Titans and shifter powers to Minecraft. Not a new release, and not AI-built.
Conventional mod - Viral clips
Zelda x Halo (Warthog and Energy Sword in Ocarina of Time)notCHase's Ship of Harkinian mod gives Link a Warthog, grenades and an Energy Sword in Ocarina of Time. Shown on YouTube in March 2025; not released.
Conventional mod - Viral clips
If Pikmin were in Ocarina of Time (notCHase)Link plucks, throws and loses Pikmin across Hyrule in a 2024 Ship of Harkinian mod by notCHase. Shown on YouTube only; never released.
Conventional mod - Viral clips
Samus's Arm Cannon in Ocarina of Time (notCHase)Link fires Samus's charge beam from Metroid in a 2023 Ship of Harkinian mod by notCHase. Shown on YouTube only.
Conventional mod - Viral clips
Smash Bros. moves in Ocarina of Time (Falcon Punch, Fox)notCHase's Ship of Harkinian mods give Link Super Smash Bros. moves: his Smash jumps, Fox's Melee kit and Captain Falcon's Falcon Punch. Shown on YouTube in 2023-24.
Conventional mod - Viral clips
Breath of the Wild and Tears of the Kingdom mechanics in Ocarina of TimenotCHase's 2023-24 Ship of Harkinian mods demake Ultrahand, Fuse, Recall, Stasis, vehicle crafting, the glider, bullet time and shield surfing into Ocarina of Time.
Conventional mod