Single-player games like Defense Zone 3 Ultra HD
Below are 9 single-player Steam games similar to Defense Zone 3 Ultra HD, 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 Zone 3 Ultra HD page.
Ranked picks
- 1
Defense Zone 2
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Zone 3 Ultra HD.
Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. The new, engaging levels are even more stunning and impressive.
- 2
Defense Grid: The Awakening
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Zone 3 Ultra HD.
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
- 3
Infested Planet
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Action and Strategy with Defense Zone 3 Ultra HD.
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
- 4
X-Morph: Defense
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Action and Strategy with Defense Zone 3 Ultra HD.
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
- 5
Orcs Must Die! 2
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Action and Strategy with Defense Zone 3 Ultra HD.
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.
- 6
DG2: Defense Grid 2
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Zone 3 Ultra HD.
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.
- 7
Deathtrap
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Action and Strategy with Defense Zone 3 Ultra HD.
Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood.
- 8
Fieldrunners 2
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Action and Strategy with Defense Zone 3 Ultra HD.
Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.
- 9
Defense Zone
Single-player alternative to Defense Zone 3 Ultra HD — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Zone 3 Ultra HD.
Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. During the game you will hold your defense with your turrets against the massive hordes of enemies.