In order for you to play Chumini: Tiny Army on Linux with minimal graphics settings, your computer must meet the following requirements
Processor (CPU):
Intel Core i3-3240 / AMD FX-4300
Memory (RAM):
4 GB RAM
Graphics Card:
GeForce GTX 560 Ti / Radeon HD 7750 / Intel HD 4000+
In order to play Chumini: Tiny Army on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Processor (CPU):
Intel Core i5-3470 or better
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce GTX 1050 (2 GB VRAM) / Radeon R9 380 (2 GB VRAM)