Single-player games like Unnatural Worlds
Below are 8 single-player Steam games similar to Unnatural Worlds, 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 Unnatural Worlds page.
Ranked picks
- 1
Age of Bricks
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Strategy and Simulation with Unnatural Worlds.
A real-time strategy multiplayer classic. Build your base brick by brick, then raise an army against your friends online. Or save your friendship and team up together to defeat a hard army.
- 2
Shrot
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Action and Strategy with Unnatural Worlds.
Shrot is a bite-sized old-school action RTS set on a sandy planet with horses, tractors and techno music.
- 3
The Scouring
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Action and Strategy with Unnatural Worlds.
The Scouring is an RTS with fast pace, high attention to detail and next generation experience. Lead humans or orcs in a Classic Mode or use one of powerful Heroes to fight for victory! Play alone or with friends. Use our modding tools to create maps and custom game modes! Join The Scouring!
- 4
Planetary Annihilation: TITANS
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Action and Strategy with Unnatural Worlds.
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
- 5
Stronghold Crusader: Definitive Edition
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Strategy and Simulation with Unnatural Worlds.
Gird your loins and sharpen your steel! Besiege 20 unique enemy lords and battle friends online, in this expanded remaster of the classic 'castle sim'. Relive history with new units, opponents, visuals, audio, campaigns, skirmish trails, co-op and larger maps.
- 6
Airships: Conquer the Skies
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Action and Strategy with Unnatural Worlds.
Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!
- 7
Mandate Order
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Strategy and Simulation with Unnatural Worlds.
Mandate Order is a Warring States war city-builder set in ancient China. Build a stronghold, manage industries and logistics, recruit scholars from the Hundred Schools of Thought, raise armies, and command real-time tactical battles with thousands of soldiers.
- 8
Mechabellum
Single-player alternative to Unnatural Worlds — playable solo, no multiplayer required. Shares Action and Strategy with Unnatural Worlds.
Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.