- Download for free files to Portal 2. Portal 2 download section contains: full game, 44 mods, 55 wallpapers, 4 trainers.
- As in the original game, in Portal 2 we will have a challenging experience solving puzzles using portals to get out of the rooms or facilities where we are.
- 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.
- 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.
- 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'.
- Adhesion gel, Schrödinger cubes, the paint gun and colored lasers are just a few of the new testing elements available in Portal 2: Community Edition.
- 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 Free Linux Game full download the easy way in native format. Portal 2 was release on 19 April, 2011.
- on plot elements within Portal 2, specifically that for part of the game, GLaDOS's personality module is run off a potato battery.
- It's designed to be used as a base for custom maps and other Portal 2 mods, though it will also include its own campaign to show off some of the new features.