In order for you to play Vagrus - The Riven Realms on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.04+, SteamOS+
Processor (CPU):
Intel Pentium 2Ghz or AMD equivalent
Memory (RAM):
4 GB RAM
Graphics Card:
1280x768 minimum resolution, DirectX 9.0c compatible graphics card
Storage:
6 GB available space
Sound Card:
DirectX 9.0c compatible