Single-player games like Defe
Below are 8 single-player Steam games similar to Defe, 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 Defe page.
Ranked picks
- 1
CastleOn Scriptum
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy with Defe.
Build a castle and defend it from your enemies! Construct towers, place traps, train and command units in this historical, manuscript-themed mix of Tower Defense and classical Real Time Strategy.
- 2
Frostliner
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy and Indie with Defe.
The moon shattered. The world froze. Take command of a nomadic train city hurtling through a war-ravaged frozen wasteland. In this survival city builder on rails, gather survivors, scavenge resources, and do whatever it takes to keep the engine running and stay ahead of the frost.
- 3
Path Defenders: More Than Just Tower Defense
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy and Indie with Defe.
A single-player MMORPG fused with tower defense. Recruit heroes, Build bizarre but devastating towers, and fight beside them in real-time 3D combat against waves of enemies.
- 4
Rift Riff
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy and Indie with Defe.
Jump a rift, fight off monsters, plunder their world. A strategic mix of juicy tower loadouts, varied monster behaviors, and forgiving mechanics.
- 5
Von Neumann Project
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy and Indie with Defe.
Von Neumann Project is a space based RTS where you build, mine, and expand across the universe in an attempt to find your creator's equals. Play across 4 different sectors with 28 handcrafted missions, with each sector introducing unique enemies, buildings, and missions.
- 6
Final Outpost: Definitive Edition
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy with Defe.
Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?
- 7
Here Comes The Swarm
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy and Indie with Defe.
Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?
- 8
Mandate Order
Single-player alternative to Defe — playable solo, no multiplayer required. Shares Strategy and Indie with Defe.
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.