Index of DOS games (O)This is an index of DOS games.This list has been split into multiple pages. Please use the Table of Contents to browse it.TitleReleasedDeveloperPublisherObitus1991PsygnosisPsygnosisObjection!1992TransMedia Productions, Inc.TransMedia Productions, Inc.Obliterator1988PsygnosisPsygnosisOcean Ranger1988ActivisionActivisionOgre1986Origin SystemsOrigin SystemsOh No! More Lemmings1991DMA DesignPsygnosisOil Barons1983EpyxEpyxOil's Well1984Sierra On-LineSierra On-LineOlympic Games: Atlanta 19961996TiertexU.S. GoldOmega1989Origin SystemsOrigin SystemsOnce Upon A Forest1995Sanctuary WoodsSanctuary WoodsOne Must Fall: 20971994Diversions EntertainmentEpic MegaGamesOne on One: Dr. J vs. Larry Bird1983Electronic ArtsElectronic ArtsOn the Ball1993AsconAsconOo-topos1986PolarwarePolarwareOpenTTD2004OpenTTD TeamOpenTTD TeamOperation Body Count1994Capstone SoftwareCapstone SoftwareOperation: Cleanstreets1988SilmarilsBrøderbundOperation Crusader1994Atomic GamesAvalon HillOperation Europe: Path to Victory1994KOEIKOEIOperation Market Garden: Drive on Arnhem, September 19441985Strategic SimulationsStrategic SimulationsOperation Neptune1991The Learning CompanyThe Learning CompanyOperation Stealth1990Delphine SoftwareInterplay Entertainment, U.S. GoldOperation Wolf1989Banana Development CorporationTaitoOrbiter1986Spectrum HolobyteSpectrum HolobyteOregon Trail: Classic Edition, The1990MECCMECCOrion Burger1996Sanctuary WoodsEidos InteractiveOrion Conspiracy, The1995Divide By ZeroDomarkOscar1994Flair SoftwareFlair SoftwareOutland1992Rickers SoftwareOut of the Park1999Out of the Park DevelopmentsOut of the Park DevelopmentsOut Run1989Unlimited SoftwareSegaOverdrive1984Peter JohnsonSuperior SoftwareOverkill1992Tech-NoirEpic MegaGamesOverlord1994Rowan SoftwareVirgin InteractiveOxyd, Oxyd Extra, Oxyd Magnum1990Dongleware VerlagsDongleware Verlags