At a glance
Total War: ATTILA has a Mac version: Steam sells it for macOS and its requirements list Apple chips. Install it in Steam for Mac; it doesn’t need Uncork.
Total War: ATTILA came out on Steam on 17 February 2015, made by CREATIVE ASSEMBLY, Feral Interactive.
What your Mac needs
The Mac requirements list Apple chips.
Minimum macOS in the Steam requirements: 15.7.
Steam requirements list at least 8 GB of memory for Total War: ATTILA.
Allow about 35 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Total War: ATTILA 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 Total War: ATTILA from there (35 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
Total War: ATTILA uses DirectX 10: Uncork renders it with D3DMetal.