In order for you to play Crewsaders on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
Mac OS X 10.6 Snow Leopard
Processor (CPU):
Intel Core i3 M380
Memory (RAM):
4 GB RAM
Graphics Card:
640
Storage:
2 GB available space
In order to play Crewsaders on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Mac OS X 10.6 Snow Leopard
Processor (CPU):
Quad-core
Memory (RAM):
4 GB RAM
Graphics Card:
GTX 760
Storage:
2 GB available space