In order for you to play Hurtworld on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X Lion 10.7
Processor (CPU):
2 GHz
Memory (RAM):
4 GB RAM
Graphics Card:
GeForce 460/Radeon HD 5850/Intel HD 4600 with at least 1024 MB video RAM
Storage:
2 GB available space
In order to play Hurtworld on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OS X Mavericks
Processor (CPU):
3 GHz
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce 660/Radeon HD 6970
Network:
Broadband Internet connection
Storage:
4 GB available space