Puzzle, 1992Shareware (installed), Shareware
Puzzle, 1988Freeware
Puzzle, 1991Playable demo
Puzzle, 1993Shareware (installed), Shareware
Puzzle, 1991Shareware, Extra
Puzzle, 1999Freeware
Also known as Oxyd 2
Puzzle, 1995Shareware (installed), Shareware, Patch, Patch
Puzzle, 1994Shareware
Puzzle, 1992Shareware
Puzzle, 2017Freeware, Source code
Puzzle, 1990Freeware
Puzzle, 1997Freeware
Also known as Puzzle Pits 95
Puzzle, 1995Full version (installed), Full version
Also known as The Adventures of Robbo
Puzzle, 1994Full version
Puzzle, 1995Shareware (installed), Shareware