Single-player games like Outwars
Below are 8 single-player Steam games similar to Outwars, 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 Outwars page.
Ranked picks
- 1
Dead Space (2008)
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
You are Isaac Clarke, an engineer on the spacecraft USG Ishimura. You're not a warrior. You're not a soldier. You are, however, the last line of defense for the remaining living crew.
- 2
Alien Breed: Impact
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.
- 3
Crysis Warhead®
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
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
Earth Defense Force: Insect Armageddon
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
Thousands of giant insects and aliens once again ravage the earth, and only the Earth Defense Force can stop them.
- 5
Lost Planet™: Extreme Condition
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
Driven to the brink of extinction on ice-covered wastelands, humankind fights to survive. Battle to survive against gargantuan alien Akrid and treacherous Snow Pirates on the vast and frozen landscape of EDN III.
- 6
Aliens: Dark Descent
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
- 7
Mass Effect™ 3 N7 Digital Deluxe Edition (2012)
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
Earth is burning. The Reapers have taken over and other civilizations are falling like dominoes. Lead the final fight to save humanity and take back Earth from these terrifying machines, Commander Shepard.
- 8
Red Faction®: Armageddon™
Single-player alternative to Outwars — playable solo, no multiplayer required. Shares Action with Outwars.
Red Faction: Armageddon Path to War includes 4 new missions, 2 unlockable items and 10 new achievements!