Single-player games like Foreign Fortress
Below are 9 single-player Steam games similar to Foreign Fortress, 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 Foreign Fortress page.
Ranked picks
- 1
Hospital Aliens 2
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Adventure with Foreign Fortress.
You must find two items in a land of Aliens. Use stealth tactics and a weapon to complete your mission.
- 2
Last Village
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Adventure with Foreign Fortress.
Arriving on a hunt in a small village, you become a witness to attack of alien forces on the ground, armed with a shotgun, you decide to repulse the alien intruders.
- 3
Black Mesa
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Indie with Foreign Fortress.
Relive Half-Life.
- 4
Cyber Avenger
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Indie with Foreign Fortress.
Cyber Avenger is a top-down action game where you take on the role of a highly skilled covert operative on a dangerous mission to stop a group of terrorists. You must navigate through five maps, facing a variety of enemies, including shotgunners, snipers, melee fighters, kamikazes, and more.
- 5
Greyhill Incident
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Indie and Adventure with Foreign Fortress.
This story-driven Survival-Horror game is about a classic Alien-Invasion which takes place during the early 90s. As Ryan Baker, equipped with a baseball bat and a few bullets in his revolver, the story takes you across the atmospheric neighborhood of Greyhill which is invaded by UFOs & Grey Aliens.
- 6
Solarix
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Indie with Foreign Fortress.
Solarix is a science-fiction stealth/horror game, set in world that overpowers you with unease, insecurity, and desperation, forcing you to confront your own role in the horrors to come.
- 7
Arken Age
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Adventure with Foreign Fortress.
Arken Age is a VR action-adventure game set in the Bio-Chasm—a terraformed fantasy world created by the Grand Arborist. Engage in full physics combat using Arkenite infused swords & guns—and freely explore the densely filled environments under siege by Hyperion's neural corruption.
- 8
Syndrome
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Adventure with Foreign Fortress.
Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive.
- 9
Tokyo School Girl
Single-player alternative to Foreign Fortress — playable solo, no multiplayer required. Shares Action and Adventure with Foreign Fortress.
Use Souls-Like combat with a sword, gun, or your hands in this epic Third-Person adventure in the open world city of Tokyo to defeat the powerful ruler named Lion Knight and save your sister who is destined to save the city from destruction.