In order for you to play Nightmares from the Deep 3: Davy Jones on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
10.6.8
Processor (CPU):
1.5 GHz
Memory (RAM):
512 MB RAM
Graphics Card:
128 MB VRAM
Storage:
1 GB available space
Recommended System Requirements (macOS)
In order to play Nightmares from the Deep 3: Davy Jones on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System: Mac OS X 10.8+ Processor (CPU): 1.5Ghz CPU: SSE2 instruction set support. Memory (RAM): 2 GB RAM Graphics Card: 256MB VRAM Storage: 2700 MB available space
Operating System: Mac OS X 10.8+ Processor (CPU): at least 1.6 GHz Memory (RAM): 4 GB RAM Graphics Card: with DX10 (shader model 4.0) capabilities Storage: 4 GB available space