Games starting with O

Oakenfold

Help Asha secure the fuel the last surviving humans need to escape aboard the living spaceship in this highly tactical sci-fi-themed roguelike! 9 rate

Oasis

Take care of exotic animals, grow fruits and vegetables in a deserted island in the planet of Oasis! 10 rate

Obenseuer

Put your survival skills to the test and make something of yourself in the desolate city known as Obenseuer! 9 rate

Enter a dark future where the main city is controlled by a corporation that steals your memories. You must enter Oblivia and discover what is happening and why there are so many missing people. 7 rate

Occupy Mars: The Game

Tap into your knowledge and resourcefulness as you try to survive the harsh Martian environment and climate by setting up a base in this Martian survival simulator! 8 rate

Of Bird and Cage

Experience a rich soundtrack and go through a touching tale in Of Bird and Cage. 10 rate

Old School Runescape

Set off on an epic adventure through Gielinor in this timeless classic MMORPG, Old School Runescape! 10 rate

Omega Zodiac

Ragnarok is coming to the world and as a guardian of Athena you are tasked with stepping in the way of the coming storm and trying to save your home. 3.5 rate

Once Upon A Night

Survive and thrive in a dark and mysterious forest in this unique building game, Once Upon A Night! 9.5 rate

One Line Coloring

Connect nodes and draw lines to solve puzzles and complete dioramas in this fun and relaxing puzzle game, One Line Coloring! 10 rate

One More Dungeon 2

Dive into colorful, procedurally-generated dungeons, defeat monsters, and discover secrets in One More Dungeon 2 on Nintendo Switch. 9 rate

One Piece 2: Pirate King

Join Luffy and the gang of honorable pirates in a brand new adventure against the relentless marines and bounty hunters in One Piece 2: Pirate King! 8 rate