Top similar games like Zombie Defense:

"Fortress of the Undead" is an intense zombie survival game. Scavenge for weapons and ammo, fight off hundreds or thousands of zombies with up to 4 players, and try to survive as long as possible.

Round-based 1-4 player co-op zombie FPS, where you survive endless rounds of zombies that get tougher every round. Unlock and upgrade gear between missions in the PlayerHub!

P.E.P Is an online game set in a zombie filled coastal United States City with Single Player, Co-Op, and up to 8 Player PvEvP, featuring classic and unique game modes filled with zombie, creature, and human mayhem.

Hellbreach: Vegas is a Wave-based First-Person Shooter for 1-4 players, made with passion by a one man dev team! Set your loadout, kill, and earn cash. Take a spin on the various slot machines and level up to improve your survival chances. Are you ready to try your luck?

There was an infection in a large part of Rio De Janeiro and, in order not to spread, the government built retaining walls, whoever is inside will not be able to leave and will have to survive until the cure is discovered.

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.

Sin Survivor is a wave-based, first-person co-operative or single-player shooter based in a post-apocalyptic world overrun with blood-hungry, satanic demons.

Survive the Nights is a unique FPS survival game focusing on teamwork, fortification, creativity & strategy. Secure a structure or roam free, the choice is yours. Gameplay focuses on realistic survival, post zombie infestation. Prepare during the day for nightfall. How many nights will you survive?

Escape From Zombies is played alone or in cooperation, on a map where the player(s) must repel waves of zombies. It should be noted that the game does not end until all players are dead, the main goal is to beat the record of survived round.

Survive the zombie world with your colleague. It's pretty simple. Shoot, build and craft. That's it! The most important thing to survive is cooperation. Probably.

Dead Containment is an on-rails shooter inspired by classic arcade games. Players fend off the undead as they race through a city under siege, blasting away the horrors that roam the streets using a variety of weapons. Playable solo or online co-op.

The Day Before offers players a uniquely reimagined journey into post-apocalyptic open-world MMO survival set in the present day on the US East Coast following a deadly pandemic.

Condition Zero,Where you can play multiplayer and frag players or play zombies and survive wave of zombies.

Barricade is a zombie horde shooter with a classic 90's feel. Players use objects to build a barricade that protects their only source of upgrades. Endless waves of zombies will exploit weaknesses in your defenses. Will you juggle building, shooting, and repairing, or be overrun?

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.

Killing Forest is a first person arena shooter where in an ancient forest you must survive as long as you can, alone or with a friend.

World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.

In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.

Get ready for an intense survival battle against an ever-growing horde of zombies. Play solo or co-op with friends, test your shooting skills and luck in this relentless combat and see how long you can stay alive.

From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.

Polygone is a low-poly, yet highly visual take on the classic "Zombie Modes" in modern first person shooters. Play with up to four friends to fight off endless hordes of over 50 different zombies and bosses on a massive map that you'll need to unlock areas to explore.

Slap-It Together is a silly co-op game full of slapstick shenanigans and zany zombies. Put on a hat, pick-up a bat, and slap for survival in the greatest game show around! Participate today!

1-16 Player COMBAT ZONE & 1-4 Player COOP Zombie Wave Survival in Comic style. Singleplayer and Multiplayer Playthrough. Get ready for GUNWATCH: Conflict Survival!

ZIC: Zombies In City is a first person zombie survival shooter where you have to save the world from a pandemic zombie apocalypse!

Containment Initiative is a local co-op VR shooter which can be played by two people on the same PC. Kill zombies alone in VR or have a friend cover you by using the mouse and keyboard. Features include realistic weapon reloading as well as a variety of unlockable guns, upgrades, and loot to find.

You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.

The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.

After a rampant viral outbreak causes global society to collapse, you must survive the harsh wilderness of the Canadian Rockies amidst vast hordes of Infected and rival survivors.

Strike Team Delta is a gripping first-person shooter set in a post-apocalyptic world. Battle hordes of undead, team up with friends, and reclaim our world. Survival is in your hands.

「Synapse」is a game based on cooperative play with horror and thrills. Players must cooperate in a dark space to avoid robots, hack into facilities, and escape. The only thing players are given is a sense of helplessness and fear of death.

Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.

In a galaxy far away a world is facing doomsday. As nations rise against each other the world is plunged into chaos. Many illegal groups such as gangs and independent militias and demonic cults take the advantage of the situation to expand. Your task is to assassinate a demon dubbed Lord of Terror.