PlayStation games beginning with O

O! My Genesis VR XPEC Entertainment Inc. · 2016 ★ 3.881.4k Oaken RED ART GAMES · 2023 ★ 3.95151 Obduction Cyan, Inc. · 2017 ★ 4.21819 best #45 Obliteracers Deck13 Interactive GmbH · 2016 ★ 3.51280 Observation Devolver Digital · 2019 ★ 4.232.4k Observer: System Redux BLOOBER TEAM S.A. · 2020 ★ 4.022.5k Oceanhorn FDG Entertainment GmbH & Co.KG · 2016 ★ 4.312.6k Oceanhorn 2: Knights of the Lost Realm FDG Entertainment GmbH & Co.KG · 2023 ★ 4.18462 Octodad: Dadliest Catch Young Horses · 2014 ★ 4.3924.7k OCTOPATH TRAVELER 0 PS4 & PS5 SQUARE ENIX CO. LTD. · 2025 ★ 4.432.7k best #115 OCTOPATH TRAVELER II PS4＆PS5 SQUARE ENIX CO. LTD. · 2023 ★ 4.734.8k best #153 OCTOPATH TRAVELER PS4＆PS5 SQUARE ENIX CO. LTD. · 2024 ★ 4.682.7k best #109 Odd Color Out OÜ Enningture Game Temple · 2025 ★ 3.69144 ODDBALLERS Ubisoft · 2023 ★ 3.041.3k Oddsparks: An Automation Adventure www.handy-games.com GmbH · 2025 ★ 4.211k Oddworld: Abe's Exoddus (PS1 emulation) Oddworld Inhabitants Inc · 2022 ★ 4.581.3k Oddworld: Abe's Oddysee (PS1 emulation) Oddworld Inhabitants Inc · 2022 ★ 4.412.4k Oddworld: New 'n' Tasty Oddworld Inhabitants Inc · 2014 ★ 4.4657.1k Oddworld: Soulstorm Oddworld Inhabitants Inc · 2021 ★ 4.093.9k Oddworld: Stranger's Wrath HD Oddworld Inhabitants Inc · 2022 ★ 4.67499 Odin Sphere Leifthrasir ATLUS Co., Ltd. · 2016 ★ 4.788.1k best #275 Of Lies and Rain Castello Inc SRL · 2025 ★ 4.42726 OFC - Ultimate Fighting Club IORDER SRL · 2026 ★ 1.36882 best #290 Off The Grid - Early Access Gunzilla GmbH · 2024 ★ 3.9330.2k best #361 Office renovation OÜ Enningture Game Temple · 2026 ★ 4.055 Offroad Mechanic Simulator ★ 2.7184 Offroad Racing - Buggy X ATV X Moto Microids · 2020 ★ 3.71229 Oh...Sir! The Hollywood Roast Vile Monarch Sp. z o. o. Sp. k. · 2018 ★ 4.0296 Oh...Sir! The Insult Simulator Vile Monarch Sp. z o. o. Sp. k. · 2017 ★ 4.0545 OhShape ODDERS LAB · 2020 ★ 3.41117 Oil Refinery - The Simulation DANIEL WENGENROTH · 2025 ★ 1.662 OilClicker Oiven Games GmbH · 2026 ★ 2.8174 OKAGE: Shadow King Sony Interactive Entertainment · 2015 ★ 4.521.4k Okinawa Rush STORYBIRD SARL · 2021 ★ 4.19124 Old Man's Journey Broken Rules Interactive Media GmbH · 2018 ★ 4.221.1k Old Market Simulator ALCEDO GAMES YAZILIM TEKNOLOJILERI ANONIM SIRKETI · 2026 ★ 4.3381 Old School Rally Astrolabe Games · 2025 ★ 3.71868 OlliOlli World 2K · 2022 ★ 4.082.5k OlliOlli2: Welcome to Olliwood Roll7 · 2015 ★ 3.8822.3k Olympic 2024 Journey ERIK GAMES YAZILIM OYUN TEKNOLOJILERI TICARET ANONIM SIRKETI · 2024 ★ 2.87149 Omega Pilot Evolution Funtech Publishing Ltd · 2026 ★ 4.079 Omega Quintet Idea Factory International Inc. · 2015 ★ 4.315.5k Omega Strikers Odyssey Interactive Inc. · 2023 ★ 4.022.9k Omen of Sorrow EastAsiaSoft · 2023 ★ 3.91351 Omensight Spearhead Games · 2018 ★ 4.58384 OMNO Studio Inkyfox UG · 2021 ★ 4.381.6k OMORI OMOCAT, LLC · 2022 ★ 4.912.2k ON THE ROAD - The Truck Simulator AEROSOFT GMBH · 2021 ★ 2.736.2k best #204 Once Again AMATA K.K. · 2025 ★ 4.7260 Once Human (F2P) NETEASE INTERACTIVE ENTERTAINMENT PTE.LTD · 2026 ★ 3.77.3k best #21 ONCE UPON A KATAMARI Bandai Namco Entertainment America Inc. · 2025 ★ 4.6543 best #403 Once Upon A Puppet DAEDALIC ENTERTAINMENT GMBH · 2025 ★ 3.98100 best #383 One Dog Story Big Way LLC · 2020 ★ 3.6253 One Escape Ratalaika Games SL · 2021 ★ 3.89210 One Eyed Kutkh Evgeniy Kolpakov t/a Sometimes You · 2018 ★ 3.3971 One Fear BUL GAMES - TM EOOD · 2025 ★ 2.8195 One Finger Death Punch 2 EastAsiaSoft · 2020 ★ 4.74356 One Last Breath Making Port · 2024 ★ 4.1360 One Lonely Outpost indie.io · 2025 ★ 3.8586 One Military Camp Abylight Studios SA · 2025 ★ 4.2191 One Move Away Playstack Limited · 2026 ★ 3.7953 One Night Stand Ratalaika Games SL · 2019 ★ 3.88907 ONE PIECE BURNING BLOOD Bandai Namco Entertainment America Inc. · 2016 ★ 4.428.3k best #248 ONE PIECE ODYSSEY PS4 & PS5 Bandai Namco Entertainment America Inc. · 2023 ★ 4.237.5k best #299 One Piece Unlimited World Red Deluxe Edition · 2017 ★ 4.381.5k ONE PIECE WORLD SEEKER Bandai Namco Entertainment America Inc. · 2019 ★ 4.285k best #428 ONE PIECE: PIRATE WARRIORS 3 Bandai Namco Entertainment America Inc. · 2015 ★ 4.6914.9k best #356 ONE PIECE: PIRATE WARRIORS 4 Bandai Namco Entertainment America Inc. · 2020 ★ 4.6614.2k best #34 ONE PUNCH MAN: A HERO NOBODY KNOWS Bandai Namco Entertainment America Inc. · 2019 ★ 3.92.3k best #393 One Step After Fall QUByte Interactive · 2025 ★ 3.2965 One Step From Eden Good Games Group, Inc. · 2020 ★ 4.57402 Onechanbara Z2: Chaos Marvelous USA (XSEED) · 2015 ★ 4.393.9k best #361 ONEE CHANBARA ORIGIN D3PUBLISHER · 2020 ★ 4.42.5k best #209 OneShot: World Machine Edition DANGEN ENTERTAINMENT · 2022 ★ 4.942.2k OneTry Domynyo S.r.l. · 2026 ★ 2.53114 best #235 ONI : Road to be the Mightiest Oni CLOUDED LEOPARD ENTERTAINMENT INC. · 2023 ★ 2.7887 Onigiri CyberStep Communications, Inc. · 2015 ★ 3.9730.6k Oniken JoyMasher Jogos Digitais Ltda · 2020 ★ 3.96203 Oniken: Unstoppable Edition & Odallus: The Dark Call Bundle JoyMasher Jogos Digitais Ltda · 2020 ★ 4.0267 Onimusha 2: Samurai's Destiny Capcom U.S.A., Inc. · 2025 ★ 4.612.8k best #180 Onimusha: Warlords Capcom U.S.A., Inc. · 2019 ★ 4.755.1k Onimusha: Way of the Sword Capcom U.S.A., Inc. · 2026 ★ 4.6915.5k best #1 ONINAKI SQUARE ENIX CO. LTD. · 2019 ★ 4.321.5k ONIRIAM My World srls · 2024 ★ 3.57100 Only Up 2025 Lu Ming · 2025 ★ 1.91217 Open Country 505 Games · 2021 ★ 2.361.5k Open Roads Annapurna Interactive · 2024 ★ 3.93242 Operation Serpens VRKiwi · 2024 ★ 3.16162 Operation Wolf Returns: First Mission Microids · 2023 ★ 3.79329 Operation: Polygon Storm Untold Tales S.A. · 2024 ★ 3.0562 Operation: Tango Clever-Plays Studio, Inc. · 2021 ★ 4.08900 Oppidum EP Games · 2025 ★ 3.64337 Opus Castle QUByte Interactive · 2022 ★ 3.46k Orbibot Ratalaika Games SL · 2021 ★ 3.94141 Orcs Must Die! 3 Robot Entertainment, Inc. · 2021 ★ 4.132k Orcs Must Die! Deathtrap Robot Entertainment, Inc. · 2025 ★ 4.17529 best #187 Ord. Ratalaika Games SL · 2020 ★ 3.59175 Order 13 JanduSoft S.L. · 2026 ★ 4.4790 Order of Battle: World War II Slitherine Software UK Ltd · 2021 ★ 3.45303 best #405 Organ Trail Complete Edition THE MEN WHO WEAR MANY HATS LLC · 2015 ★ 4.431.3k