# PC games beginning with O
       
 (DIR) o2jam-nx
 (DIR) oasis-2005
 (DIR) obduction
 (DIR) obitus
 (DIR) obscure
 (DIR) obscure-the-aftermath
 (DIR) obsidian
 (DIR) ocean-trader
 (DIR) oddworld-abes-exoddus
 (DIR) oddworld-abes-oddysee
 (DIR) odell-down-under
 (DIR) odium
 (DIR) odt-escape-or-die-trying
 (DIR) of-light-and-darkness-the-prophecy
 (DIR) of-orcs-and-men
 (DIR) off
 (DIR) oh-no-more-lemmings
 (DIR) oishii-bou-ga-2-hon
 (DIR) okami-hd
 (DIR) oknytt
 (DIR) omega-labyrinth-life
 (DIR) omega-quintet
 (DIR) omen-of-sorrow
 (DIR) omikron-the-nomad-soul
 (DIR) one-kagayaku-kisetsu-e
 (DIR) one-last-chance
 (DIR) one-must-fall-2097
 (DIR) one-must-fall-battlegrounds
 (DIR) one-unit-whole-blood
 (DIR) oni
 (DIR) onimusha-3-demon-siege
 (DIR) onimusha-warlords
 (DIR) oo-topos
 (DIR) open-season
 (DIR) operation-body-count
 (DIR) operation-europe
 (DIR) operation-flashpoint-cold-war-crisis
 (DIR) operation-flashpoint-game-of-the-year-edition
 (DIR) operation-flashpoint-red-river
 (DIR) operation-flashpoint-resistance
 (DIR) orcs-must-die-2
 (DIR) oregon-trail-ii
 (DIR) organ-trail-directors-cut
 (DIR) original-war
 (DIR) orion-burger
 (DIR) osananajimi-daitouryou-w-president-pack
 (DIR) other-age-second-encounter
 (DIR) otoboku-maidens-are-falling-for-me
 (DIR) out-of-this-world
 (DIR) outcast
 (DIR) outland
 (DIR) outlast
 (DIR) outlast-2
 (DIR) outlast-whistleblower
 (DIR) outlaws
 (DIR) outlive
 (DIR) outpost-1994
 (DIR) outpost-2-divided-destiny
 (DIR) overclocked-a-history-of-violence
 (DIR) overlord
 (DIR) overlord-ii
 (DIR) overlord-raising-hell
 (DIR) oxyd
 (DIR) oyakusoku-love
       
 (DIR) All platforms