Oriental Legend
Oriental Legend
Oriental Legend is an arcade side-scrolling action game based on Journey to the West.
One Piece: Grand Battle! Swan Colosseum
One Piece: Grand Battle! Swan Colosseum
One Piece: Grand Battle! Swan Colosseum is an action fighting game based on the popular manga series One Piece. Players control characters from the series and battle in various arenas, utilizing special moves and skills to defeat opponents.
Out Run Europa
Out Run Europa
Out Run Europa is an arcade-style racing game developed by Probe Software and published by U.S. Gold. Players drive a sports car through various European cities and countryside roads. The game continues the classic Out Run’s fast-paced driving experience with new tracks and challenges.
Out Zone
Out Zone
Out Zone is a side-scrolling shooter developed by Toaplan. Players control a futuristic soldier on a hostile alien planet, known for its fast-paced shooting action and diverse weapon system.
Osman
Osman
Osman is a side-scrolling action shooter developed by Hot-B. Players control a futuristic warrior fighting through enemy-infested levels. Known for its smooth action and flashy effects, the game combines fast-paced shooting and platforming elements.
Overtop
Overtop
Overtop is an action-adventure roguelike game developed by Spicy Gyro Games. It features a unique blend of tower defense and action shooter gameplay. Players battle intense enemies on a rotating battlefield, unlocking and upgrading a variety of weapons and equipment for a highly randomized challenge.
OutRun 3D
OutRun 3D
OutRun 3D is an arcade-style racing game developed by Sega for the Virtual Boy platform. Continuing the classic OutRun series, it features stereoscopic 3D visuals. Players drive a Ferrari supercar competing through multiple routes, delivering a typical arcade gameplay experience.
Out Run
Out Run
Out Run is a classic arcade racing game developed by Sega. The player drives a red Ferrari Testarossa Spider across various scenic routes, racing against time and enjoying a relaxed driving experience. Known for its impressive graphics and soundtrack, it stands as one of the quintessential racing games of the 1980s.
One Piece: Gear Spirit
One Piece: Gear Spirit
One Piece: Gear Spirit is an action adventure game based on the popular anime One Piece. Players take on the roles of the Straw Hat Pirates, experiencing the rich storylines and intense battles, capturing the adventurous spirit of the pirate world.
Osu! Tatakae! Ouendan
Osu! Tatakae! Ouendan
Osu! Tatakae! Ouendan is a rhythm game developed by iNiS and published by Nintendo. Players take the role of a spirited cheer squad who help people overcome their troubles by tapping to the beat. The game features unique Japanese cheerleading culture and combines humor with energetic visuals.
Okamiden
Okamiden
Okamiden is an action-adventure game developed by Clover Studio and published by Capcom. It is a sequel to the critically acclaimed Okami. Players control Komainu, a young god dog who wields the Celestial Brush powers to explore, solve puzzles, and battle evil forces.
One Piece: Gigant Battle
One Piece: Gigant Battle
One Piece: Gigant Battle is an action fighting game based on the popular manga One Piece. Players can select multiple members of the Straw Hat Pirates and other famous characters to engage in intense battles with various combo skills, experiencing thrilling fight scenes from the anime.
Oni
Oni
Oni is a third-person action shooter developed by Westwood Studios and Bungie West. Set in a dystopian future, players control Konoko, a government agent uncovering corruption and battling warlords. The game is noted for blending melee combat with shooting.
Operation C
Operation C
Operation C is an action shooter game developed by Konami for the Game Boy. Players take on the role of a special ops soldier fighting through various stages against enemy forces and robots, culminating in boss battles. It continues the fast-paced shooting action of the Contra series with adaptations for handheld gameplay.
One Piece: Maboroshi No Grand Line Boukenki
One Piece: Maboroshi No Grand Line Boukenki
One Piece: Maboroshi No Grand Line Boukenki is an action-adventure game based on the popular manga series "One Piece." Players join Luffy and the Straw Hat Pirates on a new adventure along the Grand Line, facing various enemies and challenges while experiencing the charm and excitement of the original story.
Oddworld Adventures II
Oddworld Adventures II
Oddworld Adventures II is a 2D platform action game based on the classic Oddworld universe. Players control the protagonist Abe as he explores the hazardous and strange world, rescuing his fellow Mudokons and uncovering new clues in his adventure.
Operation WinBack
Operation WinBack
Operation WinBack is a third-person shooting stealth game developed by Omega Force and published by Koei. Players take on the role of a special forces operative tasked with rescuing hostages and stopping terrorist threats. The game is known for its fast-paced action and tactical stealth gameplay.
Off Road Challenge
Off Road Challenge
Off Road Challenge is an off-road racing simulation game developed by MindSpan and published by IntraCorp. Players drive various off-road vehicles through rugged terrains, experiencing realistic off-road driving challenges.
Ogre Battle 64
Ogre Battle 64: Person of Lordly Caliber
Ogre Battle 64: Person of Lordly Caliber is a strategy RPG developed by Quest Corporation and published by Midway Games. Known for its complex tactical combat system and rich narrative, players command multiple units in a war for dominion, blending character progression with tactical strategy gameplay.
Ogre Battle 64: Person Of Lordly Caliber
Ogre Battle 64: Person Of Lordly Caliber
Ogre Battle 64: Person Of Lordly Caliber is a tactical role-playing game developed by Quest exclusively for the Nintendo 64. The story follows Zechs Stellis and his allies as they navigate political conflicts across the continent, blending strategy deployment and character development for a deep gameplay experience.