Single-player games like Oppcium
Below are 8 single-player Steam games similar to Oppcium, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Oppcium page.
Ranked picks
- 1
Species: Unknown
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action and Indie with Oppcium.
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
- 2
Crysis
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action with Oppcium.
Adapt to Survive An epic story thrusts players into an ever-changing environment, forcing them to adapt their tactics and approach to conquer battlefields ranging from newly frozen jungle to zero-gravity alien environments. Suit up! A high-tech Nanosuit allows gamers to augment their abilities in real time on the battlefield.
- 3
Crysis Warhead®
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action with Oppcium.
Pulse-racing new installment from 2007's PC Game of the Year*: Play as Sergeant Sykes and experience a whole new side of the battle. A standard combat mission behind enemy lines becomes critical when you discover your enemies have captured something of vital importance to the ensuing war.
- 4
Deus Ex: Mankind Divided
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action with Oppcium.
You play as Adam Jensen, an experienced covert operative operating in a world that despises his kind: augmented humans. Choose from an arsenal of state-of-the-art weapons and augmentations to build your playstyle, and decide who you'll trust, to unravel a vast worldwide conspiracy.
- 5
Prey
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action with Oppcium.
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
- 6
Far Cry 3 - Blood Dragon
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action with Oppcium.
Far Cry® 3: Blood Dragon is THE Kick-Ass Cyber Shooter.Welcome to an 80’s vision of the future. The year is 2007 and you are Sargent Rex Colt, a Mark IV Cyber Commando. Your mission: get the girl, kill the baddies, and save the world.
- 7
Crysis 2 - Maximum Edition
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action with Oppcium.
Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.
- 8
Crysis 2 - Maximum Edition
Single-player alternative to Oppcium — playable solo, no multiplayer required. Shares Action with Oppcium.
Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.