Abandonware games beginning with letter O sorted by rating

Outcast is a 1999 science-fiction action-adventure that sends players to the alien world of Adelpha, a place where the scenery is beautiful, the inhabitants are mysterious, and the...

Operation Wolf is a 1989 arcade-style military shooter that puts the player directly into the middle of a dangerous rescue mission. The objective is simple enough: shoot enemies, p...

Overlord is a 1994 science-fiction action game that places the player in control of a powerful futuristic vehicle and sends them into a world where enemies, missions, and explosion...

Orbiter is a 1986 space simulation that gives players the opportunity to experience the challenges of operating a spacecraft in orbit. The game focuses on navigation, maneuvering, ...

OutRun is a 1989 racing game that turns driving into a bright, fast, sun-soaked fantasy where the car is exotic, the roads are beautiful, and traffic laws are apparently a distant ...

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) ...

Ocean Trader is a 1995 strategy game for players who have looked at the sea and thought, “That is a lot of water. I should probably make money from it.” The game focuses on mar...

Onslaught (1990, DOS) takes the classic top-down shoot-and-survive formula and injects it with an enthusiasm that borders on reckless. Hordes of enemies sprint at you like they&rsq...

Operation Combat II: By Land, Sea & Air is a 1993 military strategy game that takes the ambitious approach of covering warfare across multiple environments. Players must think abou...

Ogre is a 1986 strategy game based on the classic science-fiction board game concept of a gigantic automated tank facing conventional military forces. The premise is wonderfully si...

Omnicron Conspiracy (1989, DOS) is a detective adventure wrapped in a cozy sci-fi blanket. You play as a Galactic Patrol agent solving crimes across alien worlds, all rendered in c...

A gentle adventure inspired by the animated film, Once Upon a Forest (1995, DOS) delivers an eco-friendly story wrapped in side-scrolling gameplay. You guide three tiny forest crea...

Off Shore Warrior is a 1988 action game that combines military combat with the distinctly unusual setting of offshore environments. Players take control of a heavily armed vehicle ...

If you’ve ever wanted to command a basketball team without having to actually dribble or break a sweat, Omni Play Basketball (1990, DOS) has your number. The game lets you ma...

Operation Bodycount sounds subtle, doesn’t it? Released in 1994, this shooter wastes no time letting you know exactly what it’s about: running around and, well, increas...

Operation Harrier is a 1990 action game centered on the famous Harrier jump jet, an aircraft known for its unusual ability to take off and land vertically. Players take control of ...

Operation Market Garden is a 1985 historical strategy game based on the ambitious Allied operation during the Second World War. Players take part in a campaign involving airborne f...

Over the Reich is a 1996 strategy game set during the Second World War, focusing on aerial operations and the difficult decisions involved in planning military campaigns. Players c...

Oxyd is a 1992 puzzle game built around a deceptively simple concept: move objects, solve problems, and somehow avoid making the situation much more complicated than it needs to be...

There’s a certain audacity in naming a sequel Oh no! More Lemmings, as if the developers knew exactly what they were unleashing upon your already overworked brain. This 1991 ...

Outbound is a 2001 adventure game set in a world of science fiction, exploration, and strange environments that are considerably less welcoming than the average tourist destination...

OverKill is a 1992 action game with a title that makes its intentions remarkably clear. Players are placed in a hostile environment and given the opportunity to deal with enemies u...

Ocean Ranger is a 1988 simulation that places the player in command of an offshore oil platform, which sounds like a perfectly calm occupation until you remember that the ocean, ma...

Oil Barons takes the glamorous world of oil speculation—yes, glamorous—and turns it into a strategy game that feels like Monopoly went through a midlife crisis. Release...

Operation Stealth is a 1990 adventure game that combines international intrigue, espionage, and the sort of dangerous missions where the protagonist probably should have taken a qu...

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, inc...

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 la...

Operation Combat: Computer Battle Game is a 1990 strategy title that brings military conflict to the computer screen in a form designed for players who enjoy planning rather than s...

Omega (1989, DOS) is what happens when someone hands you a robot, a wrench, and a thick manual, then says, “Good luck out there.” Instead of piloting a mech, you actual...