If the game prompts you to press Z and nothing happens, press Y instead. This is a German game, and the German keyboard layout swaps Z and Y (Z being a way more frequently used letter in German words).
Also known as Chain Reaction
Puzzle, 1995Shareware
Puzzle, 1994Shareware
Puzzle, 1986Freeware
Puzzle, 1991Freeware (installed), Freeware
Puzzle, 1992Shareware, Shareware
Also known as TIM
Puzzle, 1993Playable demo
Puzzle, 1994Shareware (installed), Shareware
Puzzle, 1996Shareware (installed), Shareware
Also known as Crusher Castle 2
Puzzle, 1993Shareware