FPS · Puzzle Platformer games to play together

3 FPS · Puzzle Platformer games your group can play together online, including Portal 2, Hamilton's Great Adventure, and Treasure Hunters: Prologue.

All games: 3

Portal 2

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

98%98% positive of 392,510 reviews2.5KPlaying now: 2,451$9.99

Hamilton's Great Adventure

All new DLC, Retro Fever, Now Available!

69%69% positive of 230 reviews1Playing now: 1$9.99

Treasure Hunters: Prologue

Treasure Hunters: Prologue is a free version of 'Treasure Hunters', an intense, co-op treasure-hunting game set in mysterious dungeons filled with puzzles, platforms, and deadly creatures, where your goal is to find and steal the most valuable treasures

69%69% positive of 182 reviews0Playing now: 0Free