Web-Swinging Portal Game

Swing into a portal and fling out of the other one at full pendulum speed.

Portals × Web-Swing

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 Portals × Web-Swing collide

  • Portals keep the speed of your swing release.
  • Tether objects on either side of a portal.
  • Your momentum carries across every switch: toggle modes mid-air and keep your speed.

The modes

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

Web-Swing

Pendulum web-swing, release fling, and tethers that yank cars and bots. Inspired by web-swinging superhero games.

Controls: Q hold to swing, release to fling · Z tether two objects

FAQ

Can I play Portals × Web-Swing 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 2007-era portal puzzlers and web-swinging superhero games.

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