Pentobi is a computer opponent for the board game Blokus. In this game, four players place pieces similar to the pieces of the computer game Tetris on a 20×20 board. Pentobi also supports the game variants for two or three players and the game variants Duo, Trigon, Junior and Nexos.

If you don't know the game of Blokus, Pentobi also includes a nice primer.

https://pyra-handheld.com/boards/threads/pentobi.77153/