Game Detail
App ID 620 | Recorded January 14, 2026 at 01:25 PM
Action, Adventure
Categories: Single-player, Multiplayer, Co-op, Online Co-op, Shared/Split Screen Co-op, Shared/Split Screen, Steam Achievements, Full Controller Support, Steam Trading Cards, Captions available, Steam Workshop, Steam Workshop, Camera Comfort, Custom Volume Controls, Playable without Timed Input, Save Anytime, Stereo Sound, Surround Sound, Steam Cloud, Stats, Includes level editor, Commentary available, Remote Play on Phone, Remote Play on Tablet, Remote Play on TV, Remote Play Together, Family Sharing
Release date: April 18, 2011
Developer/Publisher: Valve / Valve
Overwhelmingly Positive 99% · 203,442 reviews
Official Steam summary
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Current price
$9.99
All-time low
$9.99
12-month low
$9.99
Verdict
Buy now
Within 0% of the all-time low.
126 helpful
So far played 16 K hours, thanks to community made maps, and thats just on portal 2. It's my favorite game. Love to noodle away on the puzzles that re...
78 helpful
---{ Graphics }--- ☐ You forget what reality is ☐ Beautiful ☑ Good ☐ Decent ☐ Bad ☐ Don‘t look too long at it ---{ Gameplay }--- ☐ Very good ☑ Good ☐...