Single-player games like Stellar Infestation
Below are 10 single-player Steam games similar to Stellar Infestation, 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 Stellar Infestation page.
Ranked picks
- 1
IDUN - Frontline Survival
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy with Stellar Infestation.
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
- 2
Reshaping Mars
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy and Simulation with Stellar Infestation.
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
- 3
Anno 2205™
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy and Simulation with Stellar Infestation.
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
- 4
Mars or Die!
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy with Stellar Infestation.
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.
- 5
Cliff Empire
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy and Simulation with Stellar Infestation.
After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!
- 6
Creeper World 3: Arc Eternal
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy and Simulation with Stellar Infestation.
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
- 7
Deep Among the Swarm
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy with Stellar Infestation.
Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?
- 8
The Final Earth 2
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy and Simulation with Stellar Infestation.
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
- 9
Guardian Grids
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy with Stellar Infestation.
A simple and fun tower defense game! Combining light card elements with the fun of randomness.
- 10
Rogue Realm: Guardian Grids
Single-player alternative to Stellar Infestation — playable solo, no multiplayer required. Shares Strategy with Stellar Infestation.
Rogue Realm: Guardian Grids is a medieval fantasy blend of tower defense and roguelike progression. Build defenses on a grid, manage resources, and survive ever-evolving enemies.