Free games like MarZ: Tactical Base Defense
Below are 8 free-to-play Steam games similar to MarZ: Tactical Base Defense, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like MarZ: Tactical Base Defense page.
Ranked picks
- 1
Zombie Defense
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy and Indie with MarZ: Tactical Base Defense.
A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement.
- 2
Age of Empires III: Definitive Edition
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy with MarZ: Tactical Base Defense.
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
- 3
Yet Another Zombie Defense
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy and Indie with MarZ: Tactical Base Defense.
Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.
- 4
Dota 2
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy with MarZ: Tactical Base Defense.
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
- 5
Zero-K
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy and Indie with MarZ: Tactical Base Defense.
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.
- 6
Empires Mod
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy with MarZ: Tactical Base Defense.
Unique strategy/first person shooter mix: One commander on each team plays from above, choosing research, placing buildings and giving orders. The rest fill the role of soldiers on the ground, with four distinct classes to choose from and customizable vehicles to drive.
- 7
Idle Hero TD - Tower Defense
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy and Indie with MarZ: Tactical Base Defense.
Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing!
- 8
Intravenous 2: Mercenarism
Free-to-play alternative to MarZ: Tactical Base Defense — no purchase or trial window. Shares Strategy and Indie with MarZ: Tactical Base Defense.
Playing as Gideon, a cold-hearted mercenary willing to kill for money without any moral principles, you'll have tactical freedom with a wide variety of weapons and special gadgets to complete your mission in the prologue of Intravenous 2.