Press the left mouse button to change the order of brefs in the current column, and the right button to instantly drop the column.
Also known as Chain Reaction
Puzzle, 1991Freeware (installed), Freeware
Puzzle, 1992Shareware, Shareware
Also known as TIM
Puzzle, 1993Playable demo
Puzzle, 1994Shareware (installed), Shareware
Puzzle, 1996Shareware (installed), Shareware