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
Perfect Heist
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
Perfect Heist is a round-based online game, where the robber team tries to execute a bank robbery without getting noticed, and the cop team tries to prevent it. Robbers hide in plain sight and try to slowly infiltrate the bank while the Cops try to figure out who is a normal customer, and who is a robber!
- 3
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!
- 4
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.
- 5
Perfect Heist 2
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
Perfect Heist 2 is a round-based online game, where robbers try to hide in plain sight while robbing a bank without being noticed by the cop team!
- 6
Area 51
Single-player alternative to DEFENDER 3D — playable solo, no multiplayer required. Shares Action and Strategy with DEFENDER 3D.
You are part of the team that is storming 'Area 51'. Find and release the aliens that are held captive and discover the mysteries that surround the base. Unlock new classes and abilities that will help you with your task as the military attempts to stop the hordes of people.
- 7
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.
- 8
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!
- 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.