Use the arrow keys to move the ball, and press the Space bar to "mark" to matching tiles when they are next to each other. Press M to lock on the current tile and move it around.
Also known as Chain Reaction
Puzzle, 1992Shareware, Shareware
Also known as TIM
Puzzle, 1993Playable demo
Puzzle, 1994Shareware (installed), Shareware
Puzzle, 1996Shareware (installed), Shareware
Puzzle, 1993Shareware (installed), Shareware