Blokus Refresh Strategy Board Game, Challenges Spatial Thinking, Has Even Received A Mensa Award For Promoting Healthy Brain Activity, Goal Is For Players To Fit All Of Their Pieces Onto The Board. When Placing A Piece It May Not Lie Adjacent To The Player's Other Pieces, But Must Be Placed Touching At Least 1 Corner Of Their Pieces Already On The Board, Player Who Gets Rid Of All Of Their Tiles First Is The Winner.