Single-player games like Interloper
Below are 9 single-player Steam games similar to Interloper, 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 Interloper page.
Ranked picks
- 1
Tegula - Rise of the Roman Republic
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
Tegula combines turn-based tactics with real-time strategy. Enlist as a general in the army of Rome, Carthage or the Parthian Empire and lead your army into the virtual battlefield. Re-enact historic battles in Singleplayer or face up to 8 human players in Multiplayer.
- 2
Crush Your Enemies
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
Go back to the awesome glory days of Real-Time Strategy games. Crush Your Enemies has everything you love of the genre: Planning, choosing different types of units, managing resources, taking enemy territory and outwitting your opponent with the ingenious formations of your men.
- 3
rymdkapsel
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.
- 4
SPACECOM
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.
- 5
Oil Rush
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
Oil Rush is a naval strategy game that takes place in a world where nuclear war has melted the ice caps, changing the face of the planet forever. Oil Rush offers unique gameplay, avoiding micromanagement of every single unit, while still providing full control over all important aspects of strategy and economy.
- 6
Conflicks - Revolutionary Space Battles
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
Spaceships, lasers, and… chickens! What more could you ask for?Conflicks: Revolutionary Space Battles is a creative new take on space-themed videogames that merges the deep, thoughtful gameplay of strategy games with the intuitive accessibility of physics-based games.
- 7
Dummynation
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
Geopolitical management game with real-time shifting borders and a streamlined gameplay, designed to minimize all burdensome chores while allowing an absolute strategic control, from military recruitment and deployment, to diplomatic and economic management.
- 8
OSES
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Strategy and Indie with Interloper.
OSES is a strategic post-apocalyptic shooter in which 3 characters fight by using different guns to survive the zombie hordes in various scenarios and game modes.
- 9
SC2VN - The eSports Visual Novel
Single-player alternative to Interloper — playable solo, no multiplayer required. Shares Indie with Interloper.
SC2VN is a visual novel about the South Korean StarCraft 2 scene. You play as Mach, a foreign semi-pro trying to make it in eSports who soon learns that success in StarCraft takes more than in-game strategy.