Tetris Link

Scoring

 * Link 3 tetriminos to score your first 3 points.
 * Score 1 point for each new tetromino you link to the group.
 * Pieces cannot link diagonally
 * Lose points for leaving holes beneath tetrominos:
 * 1 hole deducts 1 point
 * 2 or more holes deducts 2 points