In order for you to play Super Alloy Ranger on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu, CentOS 7 and SteamOS 3.3 - (64 bit)
Memory (RAM):
2 GB RAM
Graphics Card:
64-bit processor with 2,4 Ghz
Storage:
1 GB available space
Sound Card:
2GB VRAM