In Portal 2 before starting you need to check the integrity of the cache to siphon CEG'om protected files . For better reliability before checking and remove server.dll client.dll of ... Steam steamapps common portal 2 portal2 bin Year: October 10, 2007Genre: Unique puzzle arcade game Developer : Valve Software Publisher : Valve SoftwarePublication Type : Steam-RipLanguage : ENG / RUSVoice language :ENG / RUSTablet: Present System requirements:> Operating system : Windows 2000/XP/Vista> Processor: 1.7 GHz> Memory: 512 MB> Video : DirectX 8 - compatible graphics card > Sound Card: Sound device compatible with DirectX ® 9.0 > Free space on hard disk: 5 GB Description : Portal - one of the most unusual and innovative games recently. The game, which will change your ideas about space, orientation in it, how to travel and exposure to objects. Each level is one big puzzle , the key to the solution in which the manipulation of objects and instantaneous movement using portals linking any two chosen points in space . Features: The innovative game mechanics . Graphics horsepower engine «Source». Incredibly inventive spatial puzzles. Subject relationship with Half-Life 2 Episode 2 .Year: April 19, 2011 Genre : Logic (Puzzle) / 3D / 1st PersonDeveloper : Valve Corporation Publisher : Valve CorporationPublication Type : Steam-RipLanguage : ENGVoice language : ENG / RUSTablet: Present System requirements:> Operating system : Windows XP / Vista / Windows 7> Processor: Intel Pentium 4 Dual Core / Athlon 64 X2 3 GHz > Memory: 1 GB RAM (2 GB for Windows Vista / 7) > Video Card : DirectX 9.0 - compatible video card GeForce 7600 GT / Radeon X800/Intel HD Graphics 2000 with support for Pixel Shader 2.0 with 128 MB memory > Sound Card: Sound device compatible with DirectX ® 9.0 > Free space on hard disk: 7.6 GB Description: Portal 2 - Portal puzzle conquered fans of puzzles , action and unique humor of the writers of Valve - is back! Action game "Portal 2" takes place several hundred years after the events of the first part Main character discovers that all this time was near the destroyed lab, in a state of suspended animation . She meets one of the modules personalities GleDOS , Whitley, who offers to get on the freedom of using a rescue capsule . But GLeDOS very different plans for the expense of our heroine ...More riddles , jokes and more daring experiments with portals is waiting for you throughout the game . Now this is not just a very short puzzle in dobivku to the great The Orange Box, but a real, independent game, offering a dip for eight hours in a ruined laboratory Aperture Science. You have to move through obstacles by using not only the portals but also special gels that increase your speed or increase the range of jumps , cubes, reflecting the laser gidrotruby and other strange objects . For those who always wanted to go play with your friends, there was a regime co-op, where you have to control two robots . They do not know pride, they do not know fear ... and they do not know anything . You will have to carry them through crazy obstacle from GLeDOS and understand what their purpose . Deal will have an additional eight hours , which brings the overall gameplay to 960 minutes !