Pentomino
A pentomino is a polyomino of five squares.
The ancient pentomino puzzle uses free pentominoes. The recent iPhone game Twinflix mostly uses pentominos in its gameplay.
The shapes
There are 12 free pentominoes. Six of them are chiral, making a total of 18 one-sided pentominoes.
Symmetric
I |
T |
U | |||
V |
W |
X |
Chiral
These come in mirrored pairs:
F |
Z |
L | |||
Y |
N |
P |
Naming conventions
There is no universally agreed upon convention for naming one-sided pentominoes.
Official games that use pentominoes
Incomplete.
- Tetris 2 + Bombliss in Bombliss mode
- Magical Tetris Challenge in Magical Tetris mode
- Tetris 64 in Bio Tetris mode
- Pokémon Tetris
- Puyo Puyo Tetris
Non-official games that use pentominoes
Very incomplete.