Top similar games like Ultimate Zombie Defense:

Dead Earth is an open world survival game, choose what you want to do in this world, build a small base, hunt for food, survive and explore the open world, play the game your way, ohh... and try to stay off the menu.

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.

Top down, action packed, multiplayer, zombie shooter. Build your base with friends and see how long you can survive the endless horde of zombies. Level up with friends, or alone, how you die is up to you.

Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.

Versus Squad is a fast action twin-stick shooter from the creator of Nation Red. Build your own sandbox defense and battle thousands of zombie mutants in top down combat! Face up to a dozen bosses. Simultaneously. Collect loot, build and repair. Play single player, on-line or local coop!

A dark co-op top-down shooter in a post-soviet zombie apocalypse setting. You appear at a random location in the city. The goal is to get to the transport, and you will make the path yourself. In the day - look for resources and build fortifications. At night - destroy the dead and their bosses!

Top-down zombie shooter with tower defense elements featuring up to 4 players local and online co-op. Build your base by day, defend it by night, put your skills to the test to stay alive as long as possible! Darkness is coming. How long can YOU survive?

Explore dangerous bunkers packed with mutants, scavenge vital loot, and race against dwindling oxygen. Upgrade your shelter, craft gear, and risk it all for bigger rewards. Solo or co-op, see how deep you dare go!

You and your friends can be part of the Z-Company. Defend Targets against huge hordes of zombies with all kinds of weapons and buildings in this Tower-Defense/Shooter hybrid.

CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more.

Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

A new look at tower defense, full of dynamics and tactics! A terrible virus has struck humanity. You will have to build defenses with your friends or alone and fight off the hordes of zombies who want to get to you.

Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.

Defend against hordes of zombies in this fun filled top-down shooter. Build and upgrade your base, unlock powerful guns, and take on challenging bosses with up to 4 players in online co-op. Play minigames to earn bonuses and survive the zombie apocalypse one night at a time!

6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!

Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification.

** Please note: a remastered and improved edition of this game is now available in Zombie Army Trilogy.**Experience a terrifyingly intense co-op campaign for up to four players in this gut-wrenching sequel to Steam best-seller, Sniper Elite: Nazi Zombie Army.

Corpse City throws you into a relentless fight for survival against endless waves of the undead. Feel the tension rise with every shot, the adrenaline rush as you’re cornered, and the thrill of making it out alive. How long can you survive the nightmare?

7 Days Blood Moons is a 4v1 fight to the death. Survivors fortify bases and scavenge for materials in their plight against the relentless horde. The Zombie Hive Master commands and possesses the horde to crush the survivors. Who will prevail?

Dead Rising 4 marks the return of photojournalist Frank West in an all-new chapter of one of the most popular zombie game franchises of all time. With an unmatched level of weapon and character customization, ambitious new features including new zombie classes and EXO Suits, Dead Rising 4 delivers a heart-pounding experience as players...

Defend the castle, obstruct enemies, and prevent the insidious corruption from infiltrating the heart of the realm.

GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

Join the corps! Umbrella Corps brings a competitive experience featuring new types of strategy and technique blended with elements from the world of Resident Evil, to create a unique kind of shooter!

Defend your fortified barricade by night, collect weapons and conduct repairs by day. Survive long enough to make your way through America and towards rescue.

Welcome to the zombie apocalypse experience of a lifetime – more beautiful than ever. Caught in an epic zombie outbreak on the tropical island of Banoi, your only thought is: Survive!

Dead Alliance™ is a fast-paced, multiplayer first-person zombie shooter set in a post-apocalyptic world, where former military bases have been turned into the only remaining city-states.

As a part of the Borderwatch team, scavenge, defend and survive against zombie hordes in this 3rd person action horror survival! Will you be able to see the daylight?

REQUISITION VR is a first physics-based co-op game where you can use duct tape to link any objects together to create a unique weapon. You can experiment with crafting, connecting any unthinkable combinations: a katana + a circular saw, or an axe + a ball. Inspired by Dead Rising & Walking Dead: S&S

In a free, add-on mod for Killing Floor, created by David Hensley (with help from Killing Floor originator, Alex Quick), you can fight off the bizarre and warped toys of someone's nightmare, that are hell-bent on finishing you off. All the standard Zeds are replaced with evil toys, set in the Devil's Dollhouse map.

Bullets & Brains is an adrenaline-pumping arcade top-down 3D shooter set in a post-apocalyptic world overrun by brain-hungry hordes of zombies. Prepare yourself for an intense battle against the never-ending onslaught of the undead.

The Apocalypse has arrived and your goal is simple: Make it 10 miles to safety through a limitless procedurally-generated world overrun with The Infected and packed with the tools and weapons to fight them.

Dead or Alive? Make up your mind, stranger. We don’t like that undead business here in Louisiana…Survive solo or with friends as you look to fulfill your basic needs of food, water and shelter, crafting your own tools and weapons while you secure your camp and face flesh hungry zombies.