The Original Version of Pentos - for FREE!
Thousands of pentominoes puzzles at your fingertips.

"Pentos app is educational and addicting… the gameplay in Pentos is solid, self-explanatory, and definitely engaging. You can play some easy ones while standing in line at the DMV, may want to up the difficulty to help keep your mind strong and lively!"
Sara Haley,

The classic pentominoes puzzle, a precursor to the game of Tetris.

– A famous and addictive puzzle type, educational and fun for* all ages.
– Choice of board size and difficulty level.
– Smooth animated piece movement, with rotation, and * flipping (in 3D).
– Option to time puzzles.
– All settings preserved if you quit the app;
– timing will even pause when you leave and resume when you return.
– Shake to reset a puzzle; shake again to undo the reset.

This classic pentominoes puzzle consists of a rectangular checkerboard and twelve pieces called pentominoes. These pieces represent all the possible ways to arrange five unit squares together so that their edges align. Your objective is to cover the board using the pentominoes.

Pentos provides thousands of pentominoes puzzles with several different board sizes and varying degrees of difficulty. After you choose a board size and how hard you want the puzzle to be, Pentos will select a number of pieces from a predetermined solution, and then place those pieces on the board properly. These pieces, which appear as non-segmented pentominoes, are part of the puzzle and you may not move them. Your job is then to place the remaining pieces so that each square of the board is covered by some pentomino.

You may choose to have your games timed. Then you can replay the same puzzle with a friend to see who can solve it the fastest. If you quit Pentos during a timed game (or if you’re interrupted by a phone call), then the timing for the puzzle will resume the next time you start Pentos.

Some puzzles may have more than one solution, in fact if you start with an empty board there may be hundreds or even thousands of possible solutions. The sole exception to this is the smallest board which has only a few solutions.

The pieces you may use are initially shown at the bottom of the screen, and you simply touch a piece to drag it onto the board. When you touch a piece, it will grow to a size that fits the dimensions of the squares on the board.

You may rotate a piece by tapping it, or you may flip it (in 3D) by double-tapping it. Alternatively, you may use buttons provided to rotate and flip the currently active piece. All piece movements are realistically animated. Pentos is geared towards ease of use and playability.

Pieces are not allowed to overlap; should an overlap occur, a star icon will appear above one of the overlaps.

To return a piece to its original spot at the bottom of the display, simply drag it down off the board.

You may reset a puzzle by shaking your iPhone/iPod and if, after a brief pause, you shake it again before moving another piece, the pieces will return to where you had them.

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