In order for you to play FortressCraft Evolved! on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 14.04
Processor (CPU):
Dual-Core 1.6ghz CPU
Memory (RAM):
4096 MB RAM
Graphics Card:
Intel HD Graphics 3000/Nvidia G285/Radeon HD 5450 with 512mb of RAM
Storage:
5000 MB available space