Top similar games like Fortress of the Undead:

A Single and cooperative game for 4 players, you are a fighter of a special purpose unit, your task is to destroy waves of zombies by taking convenient positions and using tactic

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!

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?

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.

How will you live in a chaotic world? I have to explore outside anyway

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.

City Massacre is a free-to-play zombie-survival FPS. Take part in survival competition in the locked city. Play solo or as a team, earn money and popularity. To win in the “City Massacre” means to get right for worthy and carefree life.

Wandering Meatbags is a FPS zombie shooter. Walk around in the city, find loot and survive to the waves of zombies !

MIA is a PC multiplayer survival game set inside a fictional reality show against the backdrop of an authoritarian past. It focuses on ad-hoc team building and showcasing players’ personalities through voice chat. Social manipulation may be key to victory.

Beautiful Light, a PvPvPvE tactical first-person extraction shooter where 6 squads of 3 operators are tasked with entering, securing, and extracting an artifact in a hostile, horrific environment. Face other operators and player-controlled anomalies, but beware: mistakes can risk your life and gear.

Defend, survive, unlock, interact, upgrade and eliminate all zombies. A first person shooter game against zombies.

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.

Private Property - the brand new VR zombie shooter set at the end of the XIX century Montana provides endless hours of great fun! This coop multiplayer allows players to team up to jointly defend the Private Property from hordes of Zombies.

Get into an alternative world in which an unknown catastrophe occurred, which led to the complete disappearance of mankind. Find out the cause of what happened and most importantly, try to survive, because you are far from alone in this world.

Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.

Single-player Zombie slayer FPS carnage! Face the Zombie horde, craft your arsenal of weapons and claim the top rank on the leaderboards! Use everything to your advantage, do you have what it takes?

Loot. Kill. Survive. Can you escape ? (probably not) Zumbi Blocks 2 is the official sequel to the 2013 free browser zombie game. Stuck on an island, cut off from the rest of humanity, you wake up. The secret to breaking free from this place lies asleep, underground. From the soil, zumbies emerge.

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.

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.

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.

Hello Space Survivors, this is little shooter game. Which is now most about shooting zombies but pvp will hopefully follow. Please also read the long description.

Armed militaries are requested to clean an area infested by zombies. On each round you don't now if you will be a zombie or a soldier, so use the skills and items that was given to you and keep alert.

A game in the genre: First Person Shooter, RPG, Puzzle. You'll have to walk around the building to get essential items. Also you have to save battery charge because it runs out very fast. And the worst thing you'll face with is contaminated which is far more dangerous than zombies!

Survive on an ever-changing desert island! The goal of the player is to survive as long as possible on a deserted island, while keeping the changes under control. Keep the fight going by balancing the acquisition of weapons with keeping the changes on the deserted island in check.

Deadly Rain is a survival horror FPS game that puts you in a terrifying fight for survival against hordes of scary mutants in a rainy, abandoned village. Find and manage resources to stay alive in the worst and most unexpected situations.

Action adventure thriller "Against Death: dead-end road " takes place in the harsh world of the beginning of the apocalypse due to an unknown virus. The John Carter is a former military man, and now a simple biker who is in search of himself.And this day was supposed to be the same...

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

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!

Infees is a singleplayer voxel game. At the moment it has only one playable mode where you have to kill zombies and survive as long as possible, there are many weapons, and upgrades at your disposal to make this task easier!

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.

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?

The apocalypse was years ago. Those still living are termed the 'Extant'. The dead can smell the living from a mile away. Because of this, Extant SOG groups of four operators have been tasked with infiltrating areas with supplies alone to retrieve for the Extant civilians. You are one of them.