Cozy Marbles is a sandbox builder where you construct marble runs from a large catalog of track pieces, ramps, and connectors. You're assembling courses on your own terms—no objectives, just experimenting with layouts until marbles roll the way you want. The toolset includes various curves, drops, and specialty components you slot together, then test by releasing marbles and watching physics play out. Lo-fi audio and ASMR sound effects accompany the tinkering. It's designed for unwinding rather than competing, leaning into the tactile satisfaction of physical marble run toys translated to a digital space. If you enjoyed building these as a kid or just want a low-pressure creative outlet, this delivers that specific itch without timers or fail states.