Overlord II
Onipan!
Orphen 2: Revenge
Overlord IV
One Punch Man: Road to Hero
Otherworldly Munchkin: Let's Speedrun the Dungeon with Only 1 HP!
Oretachi ni Tsubasa wa Nai: Hadairo Ritsu Kyuuwari Zou!?
Oretachi, Tomodachi!
Over the Sky
Overlord: Ple Ple Pleiades - Nazarick Saidai no Kiki
Our Last Crusade or the Rise of a New World
Overlord: The Dark Hero