Games
Every game CompletionLab knows about, including older titles with no listed date. Upcoming games join on the day they’re out.
OPUS: Echo of Starsong - Full Bloom Edition
Xbox · Windows · 40 achievements · 1,000G
Ruby rarity,0.3%Play AnywhereOpus Magnum
Windows · 10 achievements · 1,000G
Ruby rarity,0.9%Opus Castle
Xbox · 74 achievements · 1,975G
Onyx rarity,<0.1%Oppidum
Xbox · 43 achievements · 1,000G
Amethyst rarity,3.2%Operencia: The Stolen Sun
Xbox · Windows · 47 achievements · 1,000G
Ruby rarity,0.6%Play AnywhereOperation: Tango
Xbox · 30 achievements · 1,260G
Amethyst rarity,1.4%Operation: Polygon Storm
Xbox · 21 achievements · 1,000G
Sapphire rarity,7.4%Operation Zeta
Xbox · 45 achievements · 1,200G
Common rarity,100%Operation Wolf Returns: First Mission
Xbox · 18 achievements · 1,000G
Sapphire rarity,9.4%Operation Flashpoint: Red River
Xbox 360 · 55 achievements · 1,125G
No rarityOpen Roads
Xbox · Windows · 16 achievements · 1,000G
Uncommon rarity,13%Play AnywhereOpen Country
Xbox · 43 achievements · 1,000G
Ruby rarity,0.3%Opaloid Kingdom (Windows)
Windows · 15 achievements · 2,000G
Common rarity,100%Opaloid Kingdom
Xbox · 15 achievements · 2,000G
Common rarity,83%Ooops! 2
Xbox · 26 achievements · 1,000G
Common rarity,47%oOo: Ascension
Xbox · 20 achievements · 1,000G
Uncommon rarity,17%OOLO
Xbox · Windows · 34 achievements · 1,000G
Common rarity,100%Play AnywhereOoblets
Xbox · 27 achievements · 1,000G
Amethyst rarity,2.4%ONTOS
Xbox · Windows · 0 achievements · 0G
No rarityPlay AnywhereOnsen Master
Xbox · 33 achievements · 1,000G
Uncommon rarity,24%
