Single-player games like Perimeter
Below are 13 single-player Steam games similar to Perimeter, 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 Perimeter page.
Ranked picks
- 1
Perimeter: Emperor's Testament
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
The game expands the story of the original Perimeter in a vast singleplayer campaign.
- 2
Earth 2160
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.
- 3
AI War: Fleet Command
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
- 4
Homeworld Remastered Collection
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.
- 5
Etherium
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
Etherium is a real-time strategy game set in a science-fiction universe, where three factions battle it out for a mysterious and rare resource known as ‘Etherium’.
- 6
Sins of a Solar Empire®: Rebellion
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
- 7
Battlefleet Gothic: Armada 2
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
- 8
Homeworld: Deserts of Kharak
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.
- 9
Total Annihilation
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
What began as a conflict over the transfer of consciousness from flesh to machines escalated into a war which has decimated a million worlds. The Core and the Arm have all but exhausted the resources of a galaxy in their struggle for domination.
- 10
Command & Conquer™ Remastered Collection
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
Command & Conquer and Red Alert are both remastered in 4K by the former Westwood Studios team members. Includes all 3 expansions, rebuilt multiplayer, a modernized UI, Map Editor, bonus footage gallery, and over 7 hours of remastered music.
- 11
Vangers
Single-player alternative to Perimeter — playable solo, no multiplayer required.
Mind-altering sandbox game that can be described as a racing role-playing adventure game with a complicated storyline. You’ll find a unique atmosphere, complete freedom and lots of gameplay hours to figure out what’s the game is all about.
- 12
PERIMETER: Legate Edition
Single-player alternative to Perimeter — playable solo, no multiplayer required. Shares Strategy with Perimeter.
Perimeter is a real-time strategy game with a destructible world. Utilize the environment for resource gathering and defense against enemies. Immerse yourself in the millennia-spanning history of the Chains of Worlds and lead a faction in the struggle for survival.
- 13
Spanking Runners
Single-player alternative to Perimeter — playable solo, no multiplayer required.
Spanking Runners (Samogonki) - arcade racing in a bright and unusual world. Fight on the tiny moons of the SamoG planet for precious Samogian water! After all, you need to save the world from the robots that have captured it, turning your friends into Electrozombies!