Single-player games like Outcast 1.1
Below are 9 single-player Steam games similar to Outcast 1.1, 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 Outcast 1.1 page.
Ranked picks
- 1
Outcast - Second Contact
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action and Adventure with Outcast 1.1.
Outcast – Second Contact is the complete remake of the cult title which sparked the open world, action-adventure genre. Take off on an exploration of Adelpha, an alien world as beautiful as it is dangerous, where your heroic journey places the fate of two worlds in your hands.
- 2
Outcast - A New Beginning
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action with Outcast 1.1.
Explore the breathtaking alien world of Adelpha, support the local Talans in their struggles and fight your way through fast-paced battles against invading robot forces in this 3rd-person, open world, action adventure sequel to the 1999 cult classic.
- 3
Fallout: A Post Nuclear Role Playing Game
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares RPG with Outcast 1.1.
You've just unearthed the classic post-apocalyptic role-playing game that revitalized the entire CRPG genre. The Fallout® SPECIAL system allows drastically different types of characters, meaningful decisions and development that puts you in complete control. Explore the devastated ruins of a golden age civilization.
- 4
Dead Space
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action and Adventure with Outcast 1.1.
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
- 5
Black Mesa
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action and Adventure with Outcast 1.1.
Relive Half-Life.
- 6
System Shock
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action and Adventure with Outcast 1.1.
A first-person fight to the death in the depths of space!
- 7
Destroy All Humans!
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action and Adventure with Outcast 1.1.
The cult-classic returns! Terrorize the people of 1950's Earth in the role of the evil alien Crypto-137. Harvest their DNA and bring down the US government in the faithful remake of the legendary alien invasion action adventure. Annihilate puny humans using an assortment of alien weaponry and psychic abilities.
- 8
Star Wars Outlaws
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action and Adventure with Outcast 1.1.
Experience the first-ever open world Star Wars™ game and explore distinct locations across the galaxy, both iconic and new. Risk it all as scoundrel Kay Vess, seeking freedom and the means to start a new life.
- 9
The Last of Us™ Part II Remastered
Single-player alternative to Outcast 1.1 — playable solo, no multiplayer required. Shares Action and Adventure with Outcast 1.1.
Experience the winner of over 300 Game of the Year awards, now on PC. Discover Ellie and Abby’s story with graphical enhancements, gameplay modes like the roguelike survival experience No Return, and more.