In order for you to play Starmancer on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
MacOS 10.13 High Sierra
Processor (CPU):
2.0 ghz DualCore CPU
Memory (RAM):
4 GB RAM
Graphics Card:
OpenGL 3.3 compatible GPU
Storage:
500 MB available space
In order to play Starmancer on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
MacOS 10.13 High Sierra
Processor (CPU):
2.0+ ghz QuadCore CPU
Memory (RAM):
8 GB RAM
Graphics Card:
OpenGL 3.3 compatible GPU
Storage:
1 GB available space