Domino Run

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Domino Run is a relaxing physics puzzle about the joy of a perfect chain reaction. Each level has a row of dominoes, a cheerful bell and a few gaps in the plan. Use the limited pieces in your toolbox, dominoes, rolling balls, ramps and wooden shelves, to fill the gaps, then press GO and watch everything topple, roll and tumble. If the last piece rings the bell, you clear the level. Use as few pieces as the par to earn all three stars across 25 handmade levels.

How to play

  1. Pick a piece from the toolbox at the bottom.
  2. Tap the scene to place it; a preview shows where it lands.
  3. Tap a piece you placed to take it back.
  4. Press GO to start the chain reaction.
  5. Ring the bell to clear the level; match the par for 3 stars.

Controls

Computer
Click a tool, then click in the scene to place it. Click a placed piece to remove it. Enter starts or stops the run, R resets, F flips a ramp, keys 1 to 4 pick tools, and the arrow keys plus Space place with the keyboard.
Phone and tablet
Tap a tool, tap the scene to place it, tap a placed piece to remove it, then tap GO.

Tips

  • A domino needs to stand closer than its own height to the next one.
  • Balls roll faster down long slopes, which helps them climb ramps.
  • If a run fails, watch where the motion stops; that is where a piece is missing.

Questions

How many levels are there?
There are 25 handmade levels, unlocked one after another.
How do I get 3 stars?
Ring the bell using no more pieces than the par shown at the top.