Single-player games like Defense Task Force - Sci Fi Tower Defense
Below are 9 single-player Steam games similar to Defense Task Force - Sci Fi Tower Defense, 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 Defense Task Force - Sci Fi Tower Defense page.
Ranked picks
- 1
TechGuardian: Territory Defense
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.
- 2
![Box Nation [] Lets Go Build and Fight — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1270420/header.jpg?t=1709417672)
Box Nation [] Lets Go Build and Fight
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
Box Nation [ ] is a sandbox kind of game. In this box world, you can become a leader of your own nation. Your main goal in the game is to create and develop your nation of boxes.
- 3
Random Core Defense
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
"In 'Random Core Defense,' acquire and enhance cores using limited resources to withstand relentless enemy onslaughts. Defeat powerful bosses and test your strategy to survive until the very end!"
- 4
Inbound UFO
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
With a style inspired by the RTS games from early 2000's, a new tower defense combines in a unique way action, tactics, replay value and fun. They are here! Choose your targets, upgrade, replay, discover your enemies and your tactical skills.
- 5
Exo TD
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
Exo TD is a true 3D space Tower Defense. Invaders have scouted your planet as their next target, you must protect it by building destructive turrets, orbital defenses, shields, drones and more to defend against the incoming invasion force.
- 6
Creeper World 3: Arc Eternal
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
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
Particle Fleet: Emergence
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
- 8
Colony Siege
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Simulation with Defense Task Force - Sci Fi Tower Defense.
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
- 9
DG2: Defense Grid 2
Single-player alternative to Defense Task Force - Sci Fi Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Task Force - Sci Fi Tower Defense.
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.