At a glance
Shadow of the Tomb Raider: Definitive Edition 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.
Shadow of the Tomb Raider: Definitive Edition came out on Steam on 14 September 2018, made by Eidos-Montréal, Crystal Dynamics, Nixxes.
Mac version by Feral Interactive.
What your Mac needs
The Mac requirements list only Intel.
Minimum macOS in the Steam requirements: 10.15.
Steam requirements list at least 8 GB of memory for Shadow of the Tomb Raider: Definitive Edition.
Allow about 40 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Shadow of the Tomb Raider: Definitive Edition 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 Shadow of the Tomb Raider: Definitive Edition from there (40 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
Shadow of the Tomb Raider: Definitive Edition uses DirectX 11: Uncork renders it with D3DMetal.