The old XOR trick on a square board: a counter sweeps past every cell's x XOR y, so nested squares grow, split and munch their way across the screen in two tones.
The old XOR trick on a square board: a counter sweeps past every cell’s x XOR y, so nested squares grow, split and munch their way across the screen in two tones.
In the app you can adjust the colours, board, sweep time and munchers. It runs natively on your Mac, drawn live in real time – no video, never quite the same twice.
Use it on your Mac
- Get SCRNSVRS free from the Mac App Store.
- Select Munching Squares in the library.
- Click Set as Screensaver or Set as Wallpaper – or both.
Free · macOS Tahoe 26 or laterNeed a hand? Read the setup guide.
Munching Squares FAQ
How do I set Munching Squares as my screensaver on a Mac?
Install SCRNSVRS free from the Mac App Store, select Munching Squares in the library and click Set as Screensaver. macOS starts it whenever your Mac is idle, exactly like a built-in screensaver.
Can I use Munching Squares as a live wallpaper?
Yes. Click Set as Wallpaper in SCRNSVRS and Munching Squares plays on your desktop behind your windows and icons. You can use it as screensaver and wallpaper at the same time.
Is Munching Squares free?
Yes. Munching Squares is Free Forever in SCRNSVRS – no account, no ads, no subscription.
Is Munching Squares a video loop?
No. Munching Squares is rendered live on your Mac with Metal, so it never repeats and stays sharp on any display size. The clip on this page is a screen recording of the real thing.
Will Munching Squares slow down my Mac or drain the battery?
No. SCRNSVRS drops to 30 fps on battery and stops rendering when the wallpaper is covered by a full-screen app, so Munching Squares costs next to nothing in everyday use.
Which Macs does Munching Squares run on?
Munching Squares needs macOS Tahoe 26 or later.
