Skateboarding Portal Game

Shoot two portals and skate through them with your speed intact. Tricks right out of a portal score PORTAL TRICK.

Skate × 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 Skate × Portals collide

  • Portals keep your momentum: skate in fast, fly out fast.
  • A trick within 2 s of going through a portal scores PORTAL TRICK (the trick’s points again).
  • Your board passes through portals with you.

The modes

Skate

Kick pushes, charged ollies, flips, grinds, manuals, combos and bails. Inspired by 2010-era skateboarding sims.

Controls: W push · S brake · A/D carve · hold+release Space ollie · J/K/L/U/H flips · Y grab · G hop on/off

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 Skate × 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 Platformer, Shooter, Open-World Crime 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 2010-era skateboarding sims 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