At a glance
ARK: Survival Evolved has a Mac version: Steam sells it for macOS. Install it in Steam for Mac; it doesn’t need Uncork.
ARK: Survival Evolved came out on Steam on 27 August 2017, made by Studio Wildcard, Instinct Games, Efecto Studios, Virtual Basement LLC.
What your Mac needs
Minimum macOS in the Steam requirements: 10.9.
Steam requirements list at least 4 GB of memory for ARK: Survival Evolved.
Allow about 20 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install ARK: Survival Evolved 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 ARK: Survival Evolved from there (60 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
ARK: Survival Evolved uses DirectX 10: Uncork renders it with D3DMetal.