Single-player games like DEFENDER 3D
Below are 9 single-player Steam games similar to DEFENDER 3D, 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 DEFENDER 3D page.
Ranked picks
- 1
Sanctum
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.
- 2
Unstoppable Gorg
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
- 3
Orcs Must Die!
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 4
Rock of Ages
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
A rock-solid combination of rock-rolling action, deep strategy, and captivating art and music from different ages of history, this is a game of crush or be crushed!
- 5
Monday Night Combat
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
Monday Night Combat is a class-based, third-person shooter… and the most popular lethal sport of the future!
- 6
LA Cops
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
LA Cops is a fast, action packed 3D top down shooter set to a theme of 70s Cops in LA trying to do a tough job in a tough town.
- 7
Toy Soldiers
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
Command your TOY SOLDIERS in epic, action-packed battles.
- 8
Fortix 2
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Indie and Casual with DEFENDER 3D.
Fortix 2 is best described as a reverse turret defense game. As Sir Fortix, the knight, you must conquer castles while dodging tower turrets and evil monsters. Fight your way across the shires of the island Artalom, storming from castle to castle.
- 9
Linx Battle Arena
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Indie with DEFENDER 3D.
Fast paced Third Person Shooter action across a range of CQB and open area maps. Starting with 1 gun and half health you will always be aware of how vulnerable you are. Play challenging single player games or invite friends to private mutiplayer games.