Unlock all levels: enter RHOMBUS as a password to unlock all levels, including the secrets ones.
Skip level: start the machine normally, then press V and you will complete the level.
Description by MobyGames
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