In order for you to play Mighty No. 9 on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
10.9+
Processor (CPU):
Intel Core i5-2520M (4 * 2500)
Memory (RAM):
4 GB RAM
Graphics Card:
Radeon HD 6630M
Storage:
2 GB available space
In order to play Mighty No. 9 on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
10.11.
Processor (CPU):
Intel Core i5-4570 (4 * 3200)
Memory (RAM):
8 GB RAM
Graphics Card:
Radeon HD 8192M
Storage:
2 GB available space