In order for you to play Obduction on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
Sierra 10.12.4
Processor (CPU):
Intel CPU capable of 4 or more threads
Memory (RAM):
8 GB RAM
Graphics Card:
Intel HD Graphics 4000, Iris 5000 & 6000 family w/1 GB VRAM or better. Most Macs from 2012 on.
Storage:
20 GB available space
In order to play Obduction on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Sierra 10.12.4
Processor (CPU):
Quad Core Intel
Memory (RAM):
16 GB RAM
Graphics Card:
nVidia GT 600M, 700M family / AMD R9 M family or better
Storage:
20 GB available space