In order for you to play Card Shark on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
Mac OS X 10.9.5 or later
Processor (CPU):
Intel Core i5-2520M (4 * 2500) or equivalent
Memory (RAM):
4 GB RAM
Graphics Card:
Radeon HD 6630M (256 VRAM) or equivalent
Storage:
2 GB available space
In order to play Card Shark on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Mac OS X 10.9.5 or later
Processor (CPU):
Intel Core i5-2400S (4 * 2500) or equivalent
Memory (RAM):
8 GB RAM
Graphics Card:
Radeon HD 6750M (512 MB) or equivalent
Storage:
2 GB available space