abandonware games
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Oil's Well
DOS1984 action
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 It was originally made for platforms like the Apple II, Atari 8-bit, Commodore 64, and MS-DOS, but was later ported to other systems.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 underground world, and the player controls a machine designed to collect oil from a network of caverns and tunnels. The...
Oligopoly
DOS1987 strategy
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.
Oliver & Company
DOS1989 action
Omega
DOSLinux1988freeware rpg
Omega
DOS1989 strategy
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.
Omikron: The Nomad Soul
Windows XP/98/951999protected action-adventure
Omni Play Basketball
DOS1990 sports
Omnicron Conspiracy
DOS1989 adventure
Once Upon a Forest
DOS1995 adventure
One Must Fall 2097
DOS1994freeware action
One Must Fall: 2097 is a fighting game released in 1994 by Epic MegaGames. Set in a futuristic world, the game features giant humanoid robots known as HARs (Human-Assisted Robots) controlled by human pilots. The storyline revolves around a tournament organized by the multinational corporation WAR (World Aeronautics and Robotics), where pilots compe...
One-Nil Soccer Manager
DOS1992 sports
One-Nil Soccer Manager is a text-based soccer management simulation game that was popular in the late 1980s and early 1990s. It was developed for various home computer systems, including DOS, Commodore 64 and Amiga. In One-Nil Soccer Manager, players take on the role of a soccer team manager, making strategic decisions to guide their team to s...
One-on-One Basketball
DOS1988 sports
Onslaught
DOS1990 action
Ooze: Creepy Nites
DOS1989 adventure
Operation Bodycount
DOS1994 shooter
Operation Combat II: By Land, Sea & Air
DOS1993 strategy
Operation Combat: Computer Battle Game
DOS1990 strategy
Operation Europe: Path to Victory 1939-45
DOS1994 strategy
Operation Harrier
DOS1990 shooter
Operation Market Garden
DOS1985protected strategy
Operation Stealth
DOS1990 adventure
Operation Wolf
DOS1989 shooter
Operation: Inner Space
Windows 3.x1994protecteddemo shooter
Orbiter
DOSMac OS1986 vehicle simulation
Othello
DOS1986 strategy
Oubliette
DOS1983 rpg
Outbound
Windows XP/98/952001freeware shooter
Outcast
Windows XP/98/951999protected action-adventure
Outpost
Windows 3.x1994 simulation
OutRun
DOS1989 racing