Complete Steam Games Database — Every Title, Every Release

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The Oathkeeper

The Oathkeeper

Ira is a famed mercenary, called The Oathkeeper. When one of his contracts puts him in the middle of an ancient war of good v. evil and face to face with the woman he begins to fall in love with, he will have to start fighting for more than just money!

Indie RPG
The Obscura Experiment

The Obscura Experiment

Anabasis & Co. welcomes you to the family - we’re so glad to have you here! Your mandate as part of this research project will be to monitor and document a new energy form: the [REDACTED]. To begin, let’s review your perso- oh? We’re detecting some anomalies near you… care to investigate?

Action Indie Free To Play
The Observatory

The Observatory

You are an astronomer in The Observatory, and it's your job to search for new planets. Explore space each night through a high-powered telescope. Name and document your discoveries and come to regret your profession in this short cosmic horror story.

Adventure Indie Simulation
The Obsession

The Obsession

The Obsession Game is a story-driven psychological horror experience exploring themes of guilt, obsession, and revenge.Onur receives a phone call from his friend Murat and goes to an old house he inherited.At first, everything seems calm…Until the silence inside the house is broken.

Indie Simulation
The Obsessive Shadow

The Obsessive Shadow

The Obsessive Shadow is a Survival Horror Game about a stalker you can't exactly Identify. With nothing but your eyes and a flashlight at your disposal, it's up to you to survive whatever horrific person or thing is out there watching you...

Action Indie Strategy
The Occluder

The Occluder

Investigate and film a sinister area in The Occluder! Uncover the truth behind the mysterious disappearances while navigating a dangerous zone altered by a nuclear disaster. Use your camera and flashlight to document the chilling surroundings and escape the horrors that lurk within.

Casual Indie
The Occult Detective

The Occult Detective

A narrative detective game blended with supernatural elements. Play as a rookie investigator, discover vital clues in every case, dive into unscripted interrogations and uncover truths that break minds. But with each revelation, the world feels... less human.

Adventure Indie RPG
The Occultist

The Occultist

The Occultist is a first-person narrative thriller. You play as Alan Rebels, a paranormal investigator who travels to an abandoned British island after his father's disappearance. Explore Godstone island, face supernatural entities, and uncover long-buried occult rituals.

Action Adventure Indie
The Occupant

The Occupant

You've been sent to the 13th floor of a long abandoned hotel. Abandoned, that is, except for the Occupant

Indie
The Occupation

The Occupation

The Occupation is a fixed-time, investigative thriller set in North West England on Saturday 24th October, 1987.

Adventure Indie
The Ocean

The Ocean

You are the only surviving sailor from a pirate crew. The angry ocean waves bring you on the beach of an tropical island. Your ony goal is to survive

Action Adventure Indie Early Access
The Ocean Will Have Us All

The Ocean Will Have Us All

The Ocean Will Have Us All is a first person exploration game.Experience a day in the subatomic life of Moira Leech. Get up, go to work, go home, go back to sleep. Or. Go off the the beaten track! Take charge! Stick your finger in an electrical socket!

Adventure
The Ocean is not Water

The Ocean is not Water

An eldritch incremental game where you are an ancient shark devouring fish, reality, and the concept of depth itself. Hunt with sonar, collect bioluminescent jellyfish, command a brood, dream the dreams of dead gods, and descend through layers of cosmic progression. The ocean is not water.

Indie
The Octots Survival

The Octots Survival

The Octots tells the story of a community caught between the primitive world and the present world. Survive against hunger, thirst, wild jungle life. Build your house, farm, explore underwater and island life. Go hunting, complete missions!

Adventure Indie Simulation Early Access
The Odarian Accounts

The Odarian Accounts

Come on Cedric! We don't have time to waste the Prince's Army are at our door steps we must defend defend ourselves. Remember to be firm and strong!

Action Adventure Indie RPG