# Portal 2 \- The Final Hours Summer DB entity ID: 70cd8b76\-2e56\-4ab1\-9515\-451b346fcfb6 Steam App ID: 104600 Free Bonus Chapter Added The Final Hours of Portal 2 has been updated with a chapter on the making of the "Peer Review" DLC and the first details on the future of Portal 2\! About the Digital Book The Final Hours of Portal 2 takes you deep within the top\-secret offices of Valve for an unvarnished look at the creative process behind the new video game Portal 2\. Journalist Geoff Keighley was granted unprecedented “fly on the wall” access to Valve to create this staggering 15,000 word multimedia experience\. From the hush\-hush Portal prequel that was shelved to the last minute scramble to complete the game’s story, The Final Hours of Portal 2 is a gripping and dramatic story brought to life by exclusive photos, videos, interviews, interactive experiences, and other surprises\. Key features: In The Final Hours of Portal 2 Valve reveals: That Portal 2 actually began as a prequel to the first game without portals or GLaDOS\. The Directed Design Experiments created after Half\-Life 2: Episode 2, including video of a never\-before\-disclosed project, Two Bots, One Wrench\. How the story of Portal 2 evolved during development\. See images and read surprising details\. How it worked with Jonathan Coulton to create "Want You Gone," the closing song to the game\. Interactive Highlights Include: Play with portals in an interactive diagram where you learn how portals work\. 360 degree panorama photos of the Valve office and design labs\. Listen to the songs that inspired the Portal 2 development team\. Hear Jonathan Coulton's Portal 2 song in various stages of development\. Puppet Wheatley in an interactive experience Destroy Aperture Science by wiping your fingers over the screen\. Interact with fans and voice your opinion via polls and a feedback form\. About the Game 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\. For more information on Portal 2 click here\. ## Game information - Type: game - Developer: Geoff Keighley - Publisher: Geoff Keighley - Release date: May 17, 2011 - Coming soon: false - Free to play: false - Parent Steam app: Not collected - Genres: Not collected - Categories: Single\-player, Family Sharing - Platforms: windows, mac - Website: Not collected - Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/104600/ss\_f00fbf8c8c5ec3d10cb8ee73d09fcea4c052108c\.1920x1080\.jpg?t=1447354230, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/104600/ss\_10cab2e6b1a898c0b62af737fddade0d643b25d9\.1920x1080\.jpg?t=1447354230, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/104600/ss\_b758a06e306c1db48abc097471cd372df02bf7b3\.1920x1080\.jpg?t=1447354230, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/104600/ss\_f9d49d4b68f67cc141af695ea07f25e96f6b7d77\.1920x1080\.jpg?t=1447354230, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/104600/ss\_a9cf96cc7230ca784cb9d7eab85f4744d764639c\.1920x1080\.jpg?t=1447354230, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/104600/ss\_5ce8732c3e247dab172c1d6fc0cfe2f48b659d15\.1920x1080\.jpg?t=1447354230, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/104600/ss\_c1d79df183323c61df86bef2fcb4d628463f53ea\.1920x1080\.jpg?t=1447354230 - Price: 199 minor units USD; discount 0% - Price country: US ## Observed metrics - Current players: 0 - Steam review count: 851 - Steam positive reviews: 647 - Steam negative reviews: 204 - Steam positive percentage: 76.02820211515863% - Summer DB rating: No native votes Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\} ## Player history [Seven-day chart data as Markdown](/api/v1/entities/70cd8b76-2e56-4ab1-9515-451b346fcfb6/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/70cd8b76-2e56-4ab1-9515-451b346fcfb6/player-metrics?days=7) Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown. ## Sources and freshness - Catalog membership: store\_catalog - Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00 - Details observed: 2026\-09\-21T19:34:52\.977994\+00:00 - Player count observed: 2026\-09\-21T19:34:54\.83089\+00:00 - Reviews observed: 2026\-09\-21T19:34:54\.071129\+00:00 Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/104600/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/104600/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=104600","reviews":"https://store\.steampowered\.com/appreviews/104600"\},"price":"2026\-09\-21T19:34:52\.977994\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-21T19:34:52\.977994\+00:00","players":"2026\-09\-21T19:34:54\.83089\+00:00","reviews":"2026\-09\-21T19:34:54\.071129\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"93e4c359\-4e42\-4b97\-b873\-a2820f823cef","catalog":"02bc7970\-d9db\-4abe\-88e3\-f6acf40a569c","details":"b2f7dcb8\-2e21\-430f\-a9b2\-3caa70fc8fd6","players":"a47aae0e\-c592\-4280\-82e1\-adb7d4024ef2","reviews":"ce84c0c4\-609b\-4f05\-aad8\-dc34bd1b4e99"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\} Native rating methodology: \{"count":0,"average":null,"entityId":"70cd8b76\-2e56\-4ab1\-9515\-451b346fcfb6","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\} Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted. [Steam store](https://store.steampowered.com/app/104600/) · [JSON](/api/v1/games/70cd8b76-2e56-4ab1-9515-451b346fcfb6)