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Onimusha: Way of the Sword
Onimusha: Way of the Sword (鬼武者 Way of the Sword) is Capcom's 2026 swordplay action game, the first new Onimusha in over 20 years, starring Miyamoto Musashi fighting Genma in early Edo-period Kyoto on PS5, Xbox Series X|S, and PC.
Oninaki (鬼ノ哭ク邦)
Oninaki (鬼ノ哭ク邦) is a 2019 action RPG by Tokyo RPG Factory and Square Enix, its third game and first action title, following Watcher Kagachi through Daemon-based hack-and-slash combat; Metascore 69.
Ontos (video game)
Ontos (ONTOS) is an upcoming 2027 sci-fi mystery immersive sim by Frictional Games, spiritual successor to Soma, set on the moon hotel Samsara; player character Aditi Amani, Stellan Skarsgård in cast, published with Kepler Interactive.
OpenTTD
OpenTTD is a free, open source (GPLv2) transport simulation game reimplementing Chris Sawyer's 1995 Transport Tycoon Deluxe, begun by Ludvig Strigeus in 2002, released 2004, with multiplayer, larger maps, and NewGRF modding; since March 2026 on Steam it ships only in a $9.99 bundle with Atari's TTD re-release.
Orbitals (video game)
Orbitals is a two-player co-op puzzle-adventure game by Tokyo studio Shapefarm, released as a Nintendo Switch 2 exclusive on September 3, 2026, with no single-player mode.
Order of the Sinking Star
Order of the Sinking Star (沉星之序) is a 2026 puzzle adventure by Thekla, Inc., directed by Jonathan Blow, published by Arc Games for PC, Switch 2, and PS5 at $29.99, with 1,000+ hand-crafted puzzles in a four-world Sokoban 'supercollider' design.
Ori and the Will of the Wisps
Ori and the Will of the Wisps (Ori 2) is Moon Studios' 2020 Unity metroidvania sequel to Ori and the Blind Forest, adding melee combat, spirit shards, autosave, and quests; Metacritic 90, two million players by July 2020, Xbox Game of the Year 2020.
Oro (Street Fighter)
Oro is a Street Fighter character, a one-armed hermit first appearing in Street Fighter III: New Generation and returning as Season 5 DLC in Street Fighter V on August 16, 2021, with Double Jump and Tengu Stone moves.
Our princess is in another castle!
"Our princess is in another castle!" is the English on-screen message from Super Mario Bros. (1985, Famicom/NES), delivered by a Mushroom Retainer (Kinopio) after seven of eight castle levels; a gaming meme, trope name, and Nintendo self-reference.
Out of Words
Out of Words: upcoming 2D co-op platformer adventure by Kong Orange, WiredFly, and Morten Søndergaard, published by Epic Games. Stop-motion handcrafted world Vokabulantis; Kurt and Karla seek lost voices; delayed to early 2027.
Out Run
Out Run (アウトラン) is Sega's 1986 Yu Suzuki arcade driving game with a Ferrari Testarossa, 15 branching courses, five endings, and Kawaguchi's soundtrack; 30,000 cabinets made it Sega's bestselling 1980s arcade game.
Outer Wilds
Outer Wilds is a 2019 open-world mystery game by Mobius Digital and Annapurna Interactive: a 22-minute time-loop solar system where knowledge is the only progression. Won BAFTA 2020 Best Game; expansion Echoes of the Eye (2021).
Outriders (video game)
Outriders (OUTRIDERS) is a 2021 third-person co-op looter shooter RPG by People Can Fly and Square Enix, set on Enoch, with four classes and the Worldslayer expansion (June 2022); Steam peak 125,123 players.
Over Requiemz
Over Requiemz (オーバーレクイエムズ) is a dark otome visual novel by Kogado Studio and Idea Factory's Otomate brand, released in Japan April 17, 2025 and in English by Aksys Games August 20, 2026, reimagining The Wizard of Oz with death row convicts exploring monster-filled Ruins.
Overcooked
Overcooked (2016) is a 1-4 player couch co-op cooking game by Ghost Town Games, published by Team17; known for chaotic time-limited kitchens, the China nickname "Divorce Kitchen," sequels Overcooked 2 and All You Can Eat, and the upcoming Stage Fright.
Overkill's The Walking Dead
Overkill's The Walking Dead is a 2018 four-player co-op first-person shooter by OVERKILL, set in post-apocalyptic Washington, D.C. It was withdrawn from sale in 2019.
Overlord (2007 video game)
Overlord (2007) is an action RPG by Triumph Studios, published by Codemasters, in which a villain protagonist commands goblin minion hordes from a Dark Tower; Metacritic 76, spawned Raising Hell and Overlord II.
Oxenfree
Oxenfree is a 2016 supernatural thriller adventure game by Night School Studio, in which teenager Alex opens a ghostly rift on an abandoned military island using a radio.
Pac-Land
Pac-Land (パックランド) is a side-scrolling platform arcade game released by Namco in 1984, in which Pac-Man runs and jumps through a cartoon town to return a lost fairy to Fairyland.
Pac-Man (パックマン)
Pac-Man (Puck-Man) is a 1980 arcade game created by Toru Iwatani at Namco, in which a yellow character eats dots in a maze while avoiding four ghosts.
Pac-Man 256
Pac-Man 256 is an endless runner Pac-Man game by Hipster Whale, 3 Sprockets, and Bandai Namco, released 2015 on mobile and 2016 on consoles, built around the original Pac-Man's level 256 kill screen glitch with a pursuing Glitch and power-ups.
Pac-Man Google Doodle
Pac-Man Google Doodle: playable Pac-Man game in the Google logo, May 21, 2010, 30th anniversary; Google's first interactive game Doodle, built by Marcin Wichary and Ryan Germick, with two-player Ms. Pac-Man mode and permanent archive availability.
Pac-Man Vs.
Pac-Man Vs. (パックマン vs.) is a 2003 GameCube asymmetric multiplayer Pac-Man remake designed by Shigeru Miyamoto with Namco: one GBA-linked player as Pac-Man versus up to three TV ghost players, never sold standalone, later on Switch.
Paimon (Genshin Impact)
Paimon is the floating fairy companion, guide, narrator, and mascot of Genshin Impact, famous for the 'emergency food' joke; voiced in English by Corina Boettger until a 2025 Version 5.7 recast, and in Japanese by Aoi Koga.
Painkiller (video game)
Painkiller (2004) is a dark-fantasy arena FPS by People Can Fly, published by DreamCatcher; Daniel Garner fights Lucifer's generals in Purgatory with Havok physics and tarot cards. Metacritic 81; CPL 2005 World Tour game; spawned Hell & Damnation and a 2025 Anshar Studios reimagining.
Palia
Palia is a free-to-play community simulation MMO set in a high fantasy world, developed by Los Angeles studio Singularity 6 and blending farming, crafting, fishing, and home decorating with a shared online world.
Palworld (パルワールド)
Palworld (パルワールド) is Pocketpair's open-world survival crafting and creature-collection game, launched in early access January 19, 2024, at $29.99. It sold 25 million players in a month, peaked over 2 million Steam concurrent players, and faces an unresolved Nintendo/Pokémon Company patent suit.
Paperboy (video game)
Paperboy is a 1984 Atari Games arcade game (North American release April 1985) in which a cyclist delivers newspapers on a suburban street, notable for its bicycle-handlebar controller, Atari System 2 hardware, seven-day structure, and many home ports.
Paragon (video game)
Paragon was Epic Games' free-to-play third-person MOBA for PC and PS4, announced 2015, early access March 2016 with 13 heroes, card-based items, Agora map, verticality; shut down April 26, 2018; assets spawned Predecessor.
Paranormasight: The Mermaid's Curse
Paranormasight: The Mermaid's Curse (PARANORMASIGHT FILE38) is Square Enix's 2026 supernatural mystery adventure visual novel, sequel to The Seven Mysteries of Honjo, directed by Takanari Ishiyama, set on the fictional island of Kameshima in Ise bay with mermaid folklore, a diving minigame, and a February 19, 2026 release on Switch, PC, and mobile.