For writers, streamers and the curious
Everything on this page is free to reproduce, including the artwork. If you need something that isn’t here, email and you’ll get an answer from a real person — there is only the one, so it may take a day.
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One line
An isometric marble roller that keeps derailing into other games.
One paragraph
Marble Magnificence is a 90-second marble roller for iPhone and Apple TV in the Marble Madness lineage — except it isn’t mean, you can spin the whole world with your other thumb, and every so often the level stops being a marble game. The floor becomes a skeeball alley. A corridor becomes a pellet maze with four ghosts in it. Same marble, different rules. Falling off costs about a second and a half and is usually the funniest thing that happens to you all run. It is free, with no ads and no in-app purchases.
The technical angle
Built in native Swift with SceneKit and a hand-written sphere solver
running at a fixed 120 Hz — no Unity, no engine licence. The game core is
a Swift package that imports simd and nothing else, so its
266 tests run without a simulator and the renderer stays swappable — and
the same package builds on Linux against a stand-in simd.
Levels are data on a one-unit grid rather than hand-placed scenes, which
makes them diffable in git.
Free to reproduce, with or without credit. Credit is nicer.
Ten-second captures of all four courses, straight off a phone, are on the courses page. Ask if you want the originals at full resolution.