Stack

Click or tap one of the three placement marks. Point or focus to preview the beam and its balance. Arrows choose a position; Enter or Space places it. There is no timing test. Z, U or Backspace undoes. R resets. Escape clears a preview. Help contains a separate practice board.

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Stack

Reach the dotted beam without tipping.

Each new beam can go one step left, centered, or one step right. Wider beams weigh more. At every joint, the weight of everything above must stay strictly inside the overlap with its support. The small hollow dots show those balance points; joint bars show the overlap. A dot on an edge is already a fall. All beams must be placed and the last centered on the target.

Click or tap one of the three placement marks. Point or focus to preview the beam and its balance. Arrows choose a position; Enter or Space places it. There is no timing test. Undo takes back a move, including a failed attempt; Reset starts this board again.

Try it

Practice uses the same rules and never changes the saved game.

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