In order for you to play Tails of Iron on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
macOS 12 Monterey
Processor (CPU):
1.3GHz dual-core Intel Core i5 or Apple M1 chip
Memory (RAM):
4 GB RAM
Graphics Card:
Intel HD Graphics 615
Storage:
2 GB available space
In order to play Tails of Iron on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
macOS 12 Monterey
Processor (CPU):
3.0GHz 6-core Intel Core i5 or Apple M1 chip
Memory (RAM):
8 GB RAM
Graphics Card:
Radeon Pro 560X with 4GB of GDDR5 memory
Storage:
2 GB available space