In order for you to play Girl Genius: Adventures In Castle Heterodyne on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 20.04, Ubuntu 18.04, and CentOS 7
Processor (CPU):
x64 architecture with SSE2 instruction set support
Graphics Card:
OpenGL 3.2+, Vulkan capable
Storage:
4 GB available space