In order for you to play Journey of a Roach on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu Linux 12.04, equivalent distros should work
Processor (CPU):
2.5 GHz (Single Core) or better
Memory (RAM):
2 GB RAM
Graphics Card:
OpenGL 2.0 compatible with 256 MB RAM (shared memory not recommended)
Storage:
2500 MB available space