Portal Open-World Crime Game

Drive a stolen car into a portal and out the other side at full speed. Cars pass straight through.

Open-World Crime × Portals

First load downloads the game (~60–120 MB), then it's cached.
Needs a desktop browser with WebGPU or WebGL2. Keyboard + mouse.

Tab opens the mode panel · F1–F8 toggle modes live

What happens when Open-World Crime × Portals collide

  • Cars pass through portals with their momentum intact.
  • Portal out of a police chase.
  • Bullets and cars both pass through, so the chase can follow you.

The modes

Open-World Crime

Traffic, carjacking, a five-star wanted level, police that chase and shoot, and a minimap. Inspired by 2004-era open-world crime games.

Controls: E enter/steal car · W/S drive · A/D steer · Space handbrake

Portals

Two linked portals that keep your momentum. Bullets, cars and boards all pass through. Inspired by 2007-era portal puzzlers.

Controls: 8 portal gun · LMB blue · RMB orange

FAQ

Can I play Open-World Crime × Portals online for free?
Yes. This is a GameMash preset that runs in your browser with WebGPU or WebGL2. It's free, there's no account, and you don't need any game files.
Can I add more modes?
Yes. Press Tab to open the mode panel, or F1–F8 to switch modes live. You can add Skate, Platformer, Shooter and more without losing your momentum.
Is it made from the original games?
No. Every mechanic is a clean-room implementation written from observed behaviour and published values, with original code and CC0 or self-made assets. The modes are inspired by 2004-era open-world crime games and 2007-era portal puzzlers.

Real AI mashups like this

These were built from the original games and need your own copies. Their stories are below.

More mashups to play