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 ...

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...

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 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...

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...

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...

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...

O-Pong is a 1996 DOS game that takes one of the simplest ideas in video game history and gives it another spin. At its heart, it is a variation on Pong, which means two sides, a ba...

Obitus is a 1991 action-adventure game that throws the player into a dangerous fantasy world where exploration, combat, and survival are all part of the daily schedule. The game co...

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 ...

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...

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...

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 ...

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...

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...

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 ...

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...

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...

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...

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...

One Step Beyond is a retro-inspired action game that takes a familiar arcade formula and gives it a distinctly experimental edge. The gameplay revolves around navigating compact en...

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...

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...

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...

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...

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...

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...

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...

With a title like Ooze: Creepy Nites (1989, DOS), you’d expect something slimy and unsettling—and the game absolutely delivers. A hybrid of action and puzzle elements, ...