In order for you to play Infinitode 2 - Infinite Tower Defense on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System: Ubuntu 12.04+ or SteamOS+ Processor (CPU): 2.2 GHz CPU Memory (RAM): 2 GB RAM Graphics Card: ATI Radeon HD 2400 or NVIDIA GeForce 7600 Storage: 1 GB available space
Processor (CPU): Dual Core CPU Memory (RAM): 1 GB RAM Graphics Card: OpenGL 3.0 compliant with 512MB of video RAM. Mesa 14 or later. Storage: 500 MB available space
Processor (CPU): Dual Core CPU (64 bit) Memory (RAM): 1 GB RAM Graphics Card: OpenGL 3.0 compliant with 512MB of video RAM. Storage: 500 MB available space