A free browser physics puzzle from SlayFit. Repair broken machines by dragging and rotating parts, then press Start and guide balls to the goal. There are 70 levels across five worlds.
Drag loose parts into position and rotate them to guide balls toward the goal. Press Start to test the machine, then adjust it if balls spill. Fewer spills earn more stars. Mouse or touch; Esc opens the pause menu. No camera needed.
Yantra: Contraption Puzzle was submitted to SlowDen by Udit / SlayFit. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-10-30. It runs in the browser with no download, no install and no sign-up.