abandonware games sorted by title, from Z to A

Omega is an abandoned science fiction themed strategy game developed and released by Origin Systems in 1989 for DOS, Amiga, Apple II, Atari ST, C64. Omega is a rare example of a programming game about robots.

Oligopoly is an abandoned turn-based strategy game designed by James Kerwin, developed by PC Design Associates and released by XOR Corporation in 1987 for DOS.

Oil's Well is an action-puzzle game released by Sierra On-Line in 1983/84. It was originally made for platforms like the Apple II, Atari 8-bit, Commodore 64, and MS-DOS, but was later ported to other systems. The game is set in an...

Obitus is a role-playing video game developed by Psygnosis and released in 1991 for various platforms including the Amiga, Atari ST, and DOS. It combines elements of role-playing games (RPGs) and action-adventure games and is set ...

Nuclear War is an abandoned turn-based strategy game designed by Eric Hyman and Jon Van Caneghem. Nuclear War was developed and released by New World Computing in 1989 for Amiga and, later, for DOS, and it's loosely based on a car...

Norton Commander was one of the most popular and influential file management applications ever released for MS-DOS. Introduced in 1986, it featured an innovative, dual-pane interface that allowed users to perform tasks like copyin...

Norton Commander was a file manager and editor application released by Peter Norton Computing for DOS. Norton Commander used a text-based user interface with side-by-side panels and featured copy, delete, editing and preview ...