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Triangle Block

Free triangular tangram puzzle. Drag the pieces to fill the board with no gaps — it grows bigger each round.

A tangram-style puzzle: fill the board with the given triangular pieces, leaving no gaps. The board grows bigger every round.

How to play

  • Each round the board starts small and grows bigger — the difficulty rises.
  • Drag every piece below onto the board and fill it with no gaps left.
  • Pieces on the board can be dragged back off or moved anytime.
  • Fill the whole board to advance — your progress is saved so you can continue later.
About This Content

Triangle Block is a tangram-style puzzle where you fill a triangular grid with pieces, leaving no gaps. Each round the board starts small and grows bigger (rising difficulty), and you get exactly the pieces needed to cover it. Drag every piece onto the board, and pull any piece back off or move it whenever you like. Fill the whole board to advance to the next round — your progress is saved so you can pick up right where you left off. It's free, needs no download, and plays right in your browser — a relaxing yet brain-bending shape-fitting puzzle.