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A geometric puzzle centered around geometric figures formed from unit-squares, or a puzzle that uses polyominoes as an integral part.

23 votes

Tiling with T-tetrominos in gravity

I think that this tiling is a valid Tetris stack:
M Oehm's user avatar
  • 62.2k
11 votes
Accepted

Hexominoes into 7 simultaneous congruent shapes

The 35 hexominos can be tiled like this: How did I find the tiling?
M Oehm's user avatar
  • 62.2k
1 vote
Accepted

A minor rearrangement of the one sided hexominoes in 12 simultaneous shapes

The single possible tiling is:
M Oehm's user avatar
  • 62.2k
10 votes
Accepted

It's a LITS! And a... um...?

The topical word is: The LITS solution is: The next step: First level: Second level Third and last level: Remarks:
M Oehm's user avatar
  • 62.2k