optimal conditions for a sacrifice
Optimize Man: Gymcel
Windows
Optimum Link
Opus Castle
PlayStation 4, Windows, Xbox Series X and Series S, and 1 more
Messier Games
Opus Castle VR
Opus Cortex: A Nonogram Puzzle Story
Linux, Windows
Opus: Echo of Starsong
Xbox Series X and Series S, Xbox One, macOS, and 1 more
SIGONO
Opus Ludum
Opus Magnum
Nintendo Switch, macOS, Linux, and 1 more
Zachtronics
Opus Mortem
OPUS: Prism Peak
PlayStation 5, Nintendo Switch, Nintendo Switch 2, and 2 more
OPUS: Rocket of Whispers
Nintendo Switch, macOS, iOS, and 2 more
OPUS: The Day We Found Earth
Nintendo Switch, macOS, Windows, and 2 more
Oquonie
iOS
OR
Oracle
Oracle of Forgotten Testament
Oracle of Meles
Oracle: Threads of Fate
Oracle Trials
macOS, Windows
Oraiah
Orake Classic
Orakyubu
Linux, macOS, Windows
Orange
Orange Adventure
Orangeblood
Windows, Nintendo Switch
Orange Cast: Prologue
Orange Cast: Sci-Fi Space Action Game
Orange County
Orange Memories
