In order for you to play McPixel on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X 10.6 Snow Leopard
Processor (CPU):
Core 2 Duo
Memory (RAM):
512 MB RAM
Graphics Card:
Pixel-art capable graphics card
Hard Drive:
70 MB HD space
Sound:
Stereo sound card
In order to play McPixel on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OS X 10.7 Lion
Processor (CPU):
Core 2 Duo
Memory (RAM):
1024 MB RAM
Graphics Card:
Pixel-art-with-filters capable graphics card
Hard Drive:
71 MB HD space
Sound:
Stereo sound card