Abandonware games beginning with letter O sorted by popularity

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 ...

If Oil Barons is Monopoly with attitude, Oil Imperium is its slightly more serious cousin who read a business textbook once and won’t let you forget it. Released in 1989, thi...

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...

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...

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) ...

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...

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...

Obliterator is a 1989 action game that gives the player a suitably intimidating job title and then immediately provides plenty of enemies to justify it. Set in a science-fiction en...

Operation: Inner Space is a 1994 Windows 3.x game that takes players on a strange journey through the microscopic world inside the human body. Rather than exploring distant planets...

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...

Outpost is a 1994 science-fiction strategy and management game that asks players to establish a human colony far from Earth, which immediately raises several questions about transp...

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...

Omikron: The Nomad Soul (1999, Windows XP) is the kind of game that leans across the table and says, “What if we mashed every genre together and asked David Bowie to help?&rd...

Operation Europe: Path to Victory 1939-45 is a 1994 strategy game that covers the enormous scope of the Second World War and somehow expects the player to make sense of it all. The...

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 ...

Before NBA 2K made your thumbs cry, there was One-on-One Basketball. You get to control either Larry Bird or Julius Erving in a thrilling display of 80s pixelated hoop dreams. The ...

Based on the Disney movie that taught us cats can sing, dance, and apparently navigate 1980s New York, Oliver & Company for DOS (1989) is a surprisingly earnest platformer. You...

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...

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...

Objection! is a 1992 DOS game built around the dramatic world of courtroom arguments, legal reasoning, and the thrilling possibility that one badly chosen sentence can ruin your en...

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...

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...

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...

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...

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 ...

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...

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, ...

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...