At a glance
Totally Accurate Battle Simulator has a Mac version: Steam sells it for macOS. The Mac requirements list only Intel: on Apple Silicon Rosetta 2 runs it, and old Mac versions sometimes do not start on current macOS. Try it in Steam for Mac first.
Totally Accurate Battle Simulator came out on Steam on 1 April 2021, made by Landfall.
What your Mac needs
The Mac requirements list only Intel.
Steam requirements list at least 8 GB of memory for Totally Accurate Battle Simulator.
Allow about 3 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Totally Accurate Battle Simulator as usual.
If the Mac version will not start, you can install the Windows version through Uncork: download Uncork, sign in to Steam and install Totally Accurate Battle Simulator from there (4 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
Totally Accurate Battle Simulator uses DirectX 10: Uncork renders it with D3DMetal.