System Requirements

Minimum System Requirements

Processor:3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
RAM:1GB XP / 2GB Vista
Video Memory:128 MB ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher
Only supplied on DVD?:Yes
Hard Drive Space:7.6 GB
Operating System:Windows 7 / Windows Vista / Windows XP
DirectX Version:9.0c

Game Stats

System Requirements
Release Date: 21/04/2011
Developer: Valve
Genre: Puzzle
Rating: PEGI 12+
Site Rank: 348 34
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