In order for you to play Two Worlds II Castle Defense on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X version Snow Leopard 10.6.3
Processor (CPU):
Intel Mac 2.0GHz
Memory (RAM):
1 GB RAM
HD Space:
300 MB HDD
Video Card:
Per-Pixel Shader 2.0 and 128 MB
Misc:
Sound Card, DSL/ADSL Internet Connection
In order to play Two Worlds II Castle Defense on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OS X version Snow Leopard 10.7.x or later
Processor (CPU):
Intel Mac 2.0 GHz Core Duo
Memory (RAM):
2 GB RAM
HD Space:
500 MB HDD
Video Card:
with Shader 2.0 support and 256 MB
Misc:
Sound Card, DSL/ADSL Internet Connection