In order for you to play The Colonists on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
64bit operating system
Processor (CPU):
Intel Core i5-4690 or AMD Ryzen 7 2700U
Memory (RAM):
4 GB RAM
Graphics Card:
GeForce GTX 560 or AMD Radeon HD 7770
Storage:
1 GB available space