System requirements:

• Intel P4 CPU or AMD equivalent (or better)
• Windows XP or newer OR Linux
• Java SE 6 Update 25 or newer (Java 7 recommended)
• Graphics adapter with OpenGL 2.1 support (GLSL 1.2)
• Screen resolution of at least 1024x768 (800x600 is available, but unsupported)
• 2 GB RAM (4 GB recommended)
• 256 MB free hard drive space for game and save files

If your system meets the requirements above but can not run the game, please let me know.