Valve,
Electronic Arts
Portal's plot is revealed to the player via audio messages or "announcements" from GLaDOS and visual elements inside rooms found in later levels. According to The Final Hours of Portal 2, the year is established to be "somewhere in 2010"—twelve years after Aperture Science has been abandoned. The g...
October 10, 2007
Platform
, Puzzle
| Requirement | Minimum |
|---|---|
| OS * | Windows 7 / Vista / XP |
| Processor | 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher) |
| Memory | 2 GB RAM |
| Graphics | Video card must be 128 MB or more and with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher). |
| DirectX | Version 9.0c |
| Storage | 8 GB available space |





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