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

Survive the living dead for as long as you are able! Room Invaderz is a wave-based survival game where you and your comrades kill zombies, earn points, and do your best to upgrade your arsenal to see how long you can delay the inevitable.

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.

Barricade is a wave-based zombie FPS with a 90s aesthetic. Use physics props to build barricades and defend against zombies. Balance building, shooting, and repairs while spending money on weapons, upgrades, and defenses.

Broken War is an intense first-person shooter that combines different multiplayer modes.

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.

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?

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

MIA: SOS 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.

In WAG - Worst Apocalypse Game, you navigate through an underground bunker overrun by zombies. Rescue civilians and guide them to safety while facing constant threats, energy failures, and dark, confined spaces. Every step toward the exit is a challenge.

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.

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.

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.

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.

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.

A Horror Action-Roguelite Shooter set in an industrial hell led by Milo, a sadistic cult leader. Forced to fight hordes of deranged cultists for Milo's amusement, you find resolve in saving as many rats as you can before you die.

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.

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.

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.

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.

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.

In a post-apocalyptic world, found and develop your own colony under the threat of the undead. Be cautious against enemy colonies or form alliances. Engage in action-fueled battles against the undead and other humans using FPS or TPS game modes. Formulate your strategy and survive!

Deadzone Haunt is a wave-based First-Person Zombie Shooter. Customize your loadout, upgrade weapons, and use perks & power-ups to dominate the demons. Experience smooth movement, satisfying gunplay, and a new approach to weapon camo customization.

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!

Cursed Dawn is a wave survival FPS featuring complex maps packed with secrets, dynamic spawns, and hordes of zombies to turn into gory mulch. Plan your defense, stay on the move, and master the maps. Remember: Nowhere is safe, death is assured, how long until you're zombie chow?

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

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...

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.