- As mentioned in The Final Hours of Portal 2, Portal 2 stemmed from F-STOP, which originally was a prequel to the first game set during Cave Johnson's era.
- Once set, back out completely and click "Start Game". The game will automatically mount the mod files into your installation and open Portal 2 for you.
- The unique Portal 2 Download had the detail of surprise. Its style of first character physics primarily based puzzle gameplay become precise.
- 0.99 USD. Windows, Mac OS, Linux. The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- The Windows version of Portal 2 has the original version of the 'Open your Mind' intro, found in the Portal 2\portal2\media folder as 'valve.bik'.
- With gameplay that never stops becoming addictive and new characters that always threaten to steal the spotlight, Portal 2 is one of the best games of 2011.
- 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.
- Portal 2 is an unique game, as It's successful predecessor. It's filled with incredibly clever puzzles. And it has a fantastic story, with unforgettable moments.
- Download original production, completely in your own language – Portal 2 Download. The publisher of the FPP game is none other than the Valve Software studio.