Spot the one tile that differs by shape, fill, or turn in a 30-second sprint. Correct finds speed up the next board; mistakes cost a second. Mobile-friendly, with seeded challenge links and an on-device best score.
Odd Current was submitted to SlowDen by Small Signals. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-10-07. It runs in the browser with no download, no install and no sign-up.