In order for you to play Space Run on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X 10.7.5 or later
Processor (CPU):
INTEL CORE 2 DUO 2.4 GHZ
Memory (RAM):
2048 MB RAM
Graphics Card:
512 MB 100% OPENGL 2.1 COMPATIBLE INTEL HD 3000 OR HIGHER
Storage:
1 GB available space
Sound Card:
FMOD COMPATIBLE