The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Modeled estimate, not a reported figure. How we estimate →
About
Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English*, French*, German*, Spanish - Spain*, Czech, Danish, Dutch, Finnish, Hungarian, Italian, Japanese, Korean +15 more
Updates
Build ids and update times come straight from Steam's PICS — the same source SteamDB reads. Patch history grows as we record new builds.
Engagement
Hours played at review time, across 741 reviews with recorded playtime.
Reviews
Themes across 736 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
I'M NOT A MORON
SPACE,SPACE,SPACE SPACE,I AM AT SPACE
This was my first steam game gifted by Valve itself thank you!. If you like robots, puzzle , sci-fi and science this game is for you. this game holds really well even for being a 14 years old (and counting) with great visual and graphics. The atmosphere is inmmersive, as you unveil the secrets of aperture laboratories. The amount of replay value is huge. With updates and support from many players around the world. You can play cooperative maps, comunity maps or create your own test chambers with endless time to play and fun. And i see this game will have a prequel made it by fans the emptiness i felt back then when i finished was something i cannot experience with any other game 10/10 master piece
W faps
arcydzieło
This is a great game one of the best i have ever played worth every penny
r
nic gam
i loved the game such a grate ending
好玩的游戏，好看的剧情，论v社为什么是goat
Related
Related
Trends
Modeled estimate over time, reconstructed from Steam's monthly review histogram.
Engagement
DAU/MAU are modeled from peak concurrent players (≈×8 and ×28) — Steam publishes no active-user counts, so treat these as rough estimates, not reported figures.
Audience
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
Games most often reviewed by the same players — an audience-affinity signal from our review sample, not full ownership data.
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