Single-player games like Forts
Below are 9 single-player Steam games similar to Forts, 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 Forts page.
Ranked picks
- 1
Cataclismo
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Strategy with Forts.
Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.
- 2
Company of Heroes
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Action and Strategy with Forts.
Delivering a visceral WWII gaming experience, Company of Heroes redefines RTS by bringing the sacrifice of heroic soldiers, war-ravaged environments, and dynamic battlefields to life. Please visit the "Company of Heroes - Legacy Edition" page for additional user reviews.
- 3
RUNNING WITH RIFLES
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Action and Indie with Forts.
RUNNING WITH RIFLES is a top-down tactical shooter with open world RPG elements. In RWR, you join the ranks of an army as a common soldier, just like the thousands around you.
- 4
From the Depths
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Action and Strategy with Forts.
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
- 5
Factorio
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Strategy and Indie with Forts.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 6
Northgard: Definitive Edition
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Strategy and Indie with Forts.
Northgard: Definitive Edition is a critically acclaimed real-time strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne!
- 7
Arma 3
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Action and Strategy with Forts.
Experience true combat gameplay in a massive military sandbox. Deploy with a wide variety of single- and multiplayer content, a massive arsenal of modern weapons and vehicles, and limitless opportunities for content creation. Authentic, diverse, open - Arma 3 sends you to war.
- 8
Dig or Die
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Action and Strategy with Forts.
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
- 9
Worms
Single-player alternative to Forts — playable solo, no multiplayer required. Shares Strategy with Forts.
Throw a grenade down memory lane with the original and classic turn-based strategy game Worms™! Up to 4 teams of worms do battle over an ever-changing battlefield with falling weapon crates, crazed exploding sheep and more besides. Winner of many industry awards, find out what all the fuss was about.