The videogame MainFrames was released on Steam and Nintendo Switch in 2025 to positive reviews:

MainFrames invites you to meet Floppy and to browse a clever and charming platformer that plays out entirely within the windows and desktop of a PC monitor. You won’t want to press the escape key on this cozy outing!

Recently, I stumbled upon the artist Alexis Morille who worked on a game sharing a few visuals and animations on Bluesky.

Here’s what really happens under the hood when you resize the window:

And here are the other “UI daemons” helping you scroll the contents:

I believe the word gremlins, before being usurped by the 1984 horror comedy, was generally used to denote little mischevious creatures that live inside machinery and cause trouble. I wonder what the word would be for the little creatures that do all the hard work.

I haven’t tried the game yet, but I found these to be delightful.