iOS

Oreo: Twist, Lick, Dunk

PikPok · 2012

Organ Trail: Director's Cut

The Men Who Wear Many Hats · 2012

Orions: Legend of Wizards

Chillingo · 2008

Orwell's Animal Farm

Nerial · 2020

Orwell: Keeping an Eye on You

Osmotic Studios · 2016

Orx

Johnbell · 2022

Os Cavaleiros do Zodíaco: A Lenda do Santuário - Cosmo Cards

Aiyra · 2014

Oscura: Second Shadow

Fellow Traveller · 2014

Oshi no Ko Match Star

Kadokawa Corporation

Osmos

Hemisphere Games · 2009

Osu!

ppy · 2007

Osu!Stream

ppy · 2011

Otaku's Adventure

Spacelight Studio · 2019

Otherworld Legends

ChillyRoom · 2020

Otome Yusha

LEVEL-5 · 2018

Otter Ocean

Finifugu Games · 2020

Otto Matic

ideas from the Deep · 2001

Our 30-Minute Sessions

Asmik Ace · 2020

Out There

Mi-Clos Studio · 2014

Out of Hands

Game River · 2025

Outernauts

Insomniac Games · 2012

Outerplane

Major9 · 2023

Outlanders

Pomelo Games · 2019

Outlanders 2: Second Nature

Pomelo Games · 2024