At a glance
Mirror has a Mac version: Steam sells it for macOS. Install it in Steam for Mac; it doesn’t need Uncork.
Mirror came out on Steam on 19 April 2018, made by KAGAMI WORKS.
What your Mac needs
Minimum macOS in the Steam requirements: 10.6.
Steam requirements list at least 2 GB of memory for Mirror.
Allow about 2 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Mirror 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 Mirror from there (2 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
Mirror uses DirectX 9: Uncork renders it with its built-in graphics.