Xbox Series X|S

Once Again

RB Wolf Design · 2022

Once Upon a Jester

Bonte Avond · 2022

Ondeh Ondeh Kaya's Tasty Tale

Metronomik · 2027

One Card One Shot: Mafia

YAW Studios · 2026

One Escape

BUG-Studio · 2021

One Gun Guy

Ritual Games · 2022

One Hand Clapping

Bad Dream Games · 2020

One Lonely Outpost

Freedom Games · 2025

One Military Camp

Abylight Barcelona · 2023

One More Dungeon 2

Stately Snail · 2022

One Move Away

Playstack · 2026

One Piece Odyssey

ILCA · 2023

One Piece Odyssey: Deluxe Edition

ILCA · 2023

One Piece: Pirate Warriors 4

Koei Tecmo Games · 2020

Oniken: Unstoppable Edition

JoyMasher · 2014

Onimusha: Way of the Sword - Deluxe Edition

Capcom · 2026

Onimusha: Way of the Sword - Outfit for Okuni: Flower Dance

2026

Onimusha: Way of the Sword - Outfit for Okuni: Oni Dance

2026

Onimusha: Way of the Sword - Sword Appearance: Bamboo & Panda

2026

Only up to Space

Mascot Bro Studio · 2025

Onsen Master

Waking Oni Games · 2022

Ontos

Frictional Games · 2027

Ooblets

Glumberland · 2022

Opaloid Kingdom

JohnPeppermint · 2023