minimal:
reqprocessor: Intel i3 2nd-Generation 2.5GHz, AMD Quad-Core 2.5GHz
reqgraphics: Nvidia GT640, AMD Radeon HD7750, 1GB Vram
reqmemory: 4 GB RAM
reqdiskspace: 13 GB available space
reqsystem: Ubuntu 14.4 64-bit
reqother: Latest GPU drivers installed. To run the game on a 64-bit system you have to install the following packages(libc6:i386, libx11-6:i386, libxcursor1:i386, libxrandr2:i386, libstdc++6:i386, libgl1-mesa-glx:i386, libasound2:i386)

recommended:
reqprocessor: ´Intel i3 4th-Generation 3.5GHz, AMD Quad-Core 3.9GHz
reqgraphics: Nvidia GTX 570, AMD Radeon HD 6950, 2GB Vram
reqmemory: 6 GB RAM
reqdiskspace: 13 GB available space
reqsystem: Ubuntu 16.4 64-bit or higher
reqother: Installing the game on an SSD improves loading times. Latest GPU drivers installed. To run the game you have to install the following packages(libc6:i386, libx11-6:i386, libxcursor1:i386, libxrandr2:i386, libstdc++6:i386, libgl1-mesa-glx:i386, libasound2:i386)