The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Portal 2 is indexed on ReviewForge under Steam AppID 620. It is currently listed as a paid game. Developers include Valve. Publishers include Valve.
The localized release date shown on this page is Apr 18, 2011. Supported platforms include Windows, Linux.
Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following.
The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers. Players will explore never-before-seen areas of the Aperture Science Labs and be reunited with GLaDOS, the occasionally murderous computer companion who guided them through the original game. The game’s two-player cooperative mode features its own entirely separate campaign with a unique story, test chambers, and two new player characters. This new mode forces players to reconsider everything they thought they knew about portals.
Portal 2 currently has synced review data on ReviewForge. The current Steam review label is Overwhelmingly Positive. 465,831 reviews are indexed locally, with approximately 465,885 total Steam reviews tracked. The latest sync recorded here was Aug 27, 2026.
Primary genres include Action, Adventure. Steam categories include Multi-player, Camera Comfort, Custom Volume Controls, Stereo Sound, Family Sharing, Single-player, Full controller support, Playable without Timed Input, Save Anytime, Steam Cloud, Remote Play on Phone, Remote Play on Tablet, Remote Play Together, Surround Sound, Steam Achievements, Steam Trading Cards, Captions available, Steam Workshop, Commentary available, Stats, Includes level editor, Co-op, Remote Play on TV, Online Co-op, Shared/Split Screen Co-op, Shared/Split Screen, Steam Workshop.
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For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
The player becomes Gu Yi, uses the first-person perspective to immerse himself in meeting six beauties, and embarks on a joyful and sweet love journey with them. Six girls that are charming, innocent, intelligent, wild, sexy, glamorous, who will go to the end with you is up to you to decide.
