Blokus is an abstract strategy game with transparent, Tetris-shaped, colored pieces that players are trying to play onto the board. The only caveat to placing a piece is that it may not lie adjacent to your other pieces, but instead must be placed touching at least one corner of your pieces already on the board.There is a solitaire variation where one player tries to get rid of all the pieces in a single sitting.There are unauthorized versions of the game published under various names, including The Strategy Game, Tetris, and The Family Chess Game.Similar to: Universe Other Flavors: Blokus Trigon Travel Blokus (2-player version) - BoardGameGeek