A musical calculator toy - every key plays a note, and you see how big a number you can make before it melts away.
Mouse or touch: just press the keys. Keyboard: number row or numpad, X for times, Enter for equals, Esc to clear, arrows to move around the keys. Controller: D-pad to move around the keys, A to press, B to clear, Y or Start for Options.
Doing Numbers was submitted to SlowDen by Splat Zone Entertainment. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-11-01. It runs in the browser with no download, no install and no sign-up.