Ookibloks

iOS

OMG HD Zombies!

PlayStation Vita

Omicron

iOS + Android

Outworded

iOS

Oh My Heroes!

iOS

Octopus Blast

Mobile

Orion's Forge

iOS + Android

Old School Racing

Mobile

Outlaw

iOS

Oh Hi! Octopi!

iOS

One Tap Hero

iOS

Oddworld: Stranger's Wrath HD

PlayStation Vita + Steam

Orc: Vengeance

iOS

Oddworld: Abe's Oddysee

PlayStation Phone (Xperia Play) + Steam

On The Wind

iOS

Orbit

Sony PSP

Office Avenger

Mobile

Osiris Legends

iOS

Open Sea!

Android

Overload

Android

One Epic Game

iOS + Android + Sony PSP ...

Ozzy's Odyssey

Android

Orbital Defender

iOS + Android

Office Jerk

Android + iPhone

Off the Hook Fishing 2

Mobile