At a glance
Castle Crashers has a Mac version: Steam sells it for macOS. Install it in Steam for Mac; it doesn’t need Uncork.
Castle Crashers came out on Steam on 26 September 2012, made by The Behemoth.
What your Mac needs
Minimum macOS in the Steam requirements: 10.15.
Steam requirements list at least 8 GB of memory for Castle Crashers.
Allow about 0.512 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Castle Crashers 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 Castle Crashers from there (0.512 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
Castle Crashers uses DirectX 9.0c: Uncork renders it with its built-in graphics.