At a glance
ULTRAKILL runs on Apple Silicon Macs: 3 player reports (M2, M4, M5), 4 October to 30 October 2026, rated 5 out of 5. We haven’t run ULTRAKILL in Uncork ourselves yet.
ULTRAKILL came out on Steam on 3 September 2020, made by Arsi "Hakita" Patala.
Will ULTRAKILL run on a Mac?
Players ran ULTRAKILL on Apple Silicon Macs through the same kind of compatibility layer Uncork uses:
| Date | Mac | macOS | Rating | Played |
|---|---|---|---|---|
| 4 Oct 2026 | M2 | 26.6.2 | 5 / 5 | 10 min |
| 20 Oct 2026 | M4 | 27.2 | 5 / 5 | 22 min |
| 30 Oct 2026 | M5 | 27.0.1 | 5 / 5 | 84 min |
What players noted:
idk but processor temp jumped to 100 but then slowly became like 60, maybe change the temp spikes, dear devs
— 30 October 2026, M5.
Graphics in the reports: DXVK.
What your Mac needs
You need a Mac with Apple Silicon (M1 or newer): Uncork does not run on Intel Macs.
Steam requirements list at least 4 GB of memory for ULTRAKILL; 8 GB recommended.
Any Apple Silicon Mac has enough memory for the listed minimum.
Allow about 3 GB for the game and another 5 GB for Uncork and Steam (their size in our fresh-install check in October 2026).
ULTRAKILL uses DirectX 11: Uncork renders it with D3DMetal.
How to launch with Uncork
- Download Uncork — it’s free.
- On first launch, Uncork installs everything it needs and Steam — about ten minutes.
- Sign in to Steam with your password or a QR code from the Steam app on your phone.
- Find ULTRAKILL in your library and install it (3 GB).
- Launch it with the “Play” button in Uncork.
If ULTRAKILL won’t start or crashes, message us on Telegram at @uncorkwin and we’ll look into it together.
What we have not tested
We haven’t run ULTRAKILL ourselves, so we don’t know the frame rate on your Mac and how controllers will work.