In order for you to play GhostControl Inc. on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
Mac OS X 10.6, Mac OS X 10.7 / Mac OS X 10.8 / Mac OS X 10.9
Processor (CPU):
1.2GHz
Memory (RAM):
4 GB RAM
Graphics Card:
256MB VRAM
Storage:
350 MB available space