In order for you to play Circle Empires on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Linux
Processor (CPU):
1,7GHz dual core
Memory (RAM):
3 GB RAM
Graphics Card:
Intel/AMD Integrated Graphics, 1GB VRAM
Storage:
1 GB available space
In order to play Circle Empires on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Linux
Processor (CPU):
Intel Core i3 2100 3,1GHz
Memory (RAM):
4 GB RAM
Graphics Card:
NVIDIA GeForce GT 1030 2GB / AMD Radeon HD 6850 2GB
Storage:
1 GB available space