In order for you to play Kingdom Rush - Tower Defense on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X Lion 10.7.5
Processor (CPU):
Dual Core CPU
Memory (RAM):
1 GB RAM
Graphics Card:
OpenGL 3.0 compliant with 512MB of video RAM.
Storage:
1500 MB available space
In order to play Kingdom Rush - Tower Defense on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OS X Lion 10.7.5
Processor (CPU):
Dual Core CPU
Memory (RAM):
2 GB RAM
Graphics Card:
OpenGL 3.0 compliant with 1.0GB of video RAM.
Storage:
1500 MB available space