In order for you to play UnderMine on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.04
Processor (CPU):
2.4 GHz
Memory (RAM):
4 GB RAM
Graphics Card:
Integrated GPU or better (1024 MB)
Storage:
2 GB available space
In order to play UnderMine on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 16.04
Processor (CPU):
3.2 GHz
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce GTX 480 / Radeon HD 5870 or better
Storage:
2 GB available space