Top similar games like Unlock the Three:

Stay close together and use teamwork to fight through hordes of infected and other mutated freaks while navigating between saferooms.

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?

Wishes of Dawn is a horror game where you and your team of four work together to track down ghosts and other supernatural entities. Investigate these beings from different civilizations using items from their cultures and collect evidence to uncover the truth.

Counter-Strike Nexon is a Free to Play MMOFPS offering competitive PvP and PvE action including content from the original Counter-Strike and all new game modes, map creation function, weapons, and hordes of Zombies!

Grab a weapon, demolish your enemies, level up, become more powerful, let the gore flow, let the limbs fly. BrainBread 2 introduces a zombie fps mixed with RPG / Arcade elements, the game is very action-packed and generally fast-paced.

Demon-powered tactical FPS.

A Dark-fantasy, Round-based FPS. Become the Blood Reaver in solo or 4-player co-op. Harness forbidden magic and weaponry to shoot, blast and slice your way through endless hordes of demons. Upgrade your arsenal and survive long enough to discover the ancient secrets of the gods of hell.

Enter a cursed world in Visions of Evil, a 4v1 online horror game. Explore a forsaken mansion, survive with weapons and artifacts, or become the monster and hunt the intruders. Will you face your fears, or become them?

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.

Andromeda 2 Zombies is an First Person Shooter video game featuring zombies. The game take place in the far future where spatial exploration of galaxy is possible. A virus has spread and now zombies are rampant. The hero is in the military and try to bring order in the Andromeda galaxy.

Ravensword: Undaunted is a FPS dungeon crawler inspired by Hexen and Heretic, set within the Ravensword Universe.

Cold Comfort is an asymmetrical, tactical 5v5 PvP FPS. Set in the immediate aftermath of the zombie apocalypse, it has a strong focus on cooperation and environmental destruction.

4 player online coop game, eliminate enemies, find special items & clues, summon the boss, and destroy it

Lirai: Heir of Darkness is an upcoming third-person action game set in a post-apocalyptic world of zombies and demons, where the obsession to dominate and control the world leads to fear, violence, destruction and, worst of all, extinction.

A co-op horror FPS about daring heists in a city full of zombies. Because, you know, they don't need money anymore, but you do! Multiple ways to approach each heist and randomly generated elements await you. Gather your team and get ready to rob the dead!

All Is Dust is a first-person horror game for PC and Oculus Rift. Experience the terror of a dust storm in the 1930s and unravel the mystery surrounding your decaying farm.

The Backrooms - Nightmare Dimension is a Co-op online horror game with up to 4 players, where you and your friends take on the roles of soldiers who are part of the SCP Foundation with the mission to eliminate the mysterious entities found in the infamous place called "the Backrooms".

Team up with 64 players to fight off the horde of zombies in this post-apocalyptic FPS or join the horde against the living! Turn on your teammates and tear them apart. Level up and unlock new weapons, perks, clothing options and more! Equip your favourite loadout and join the fight!

A chilling survival-horror FPS set in a creepy, atmospheric world. Explore a haunted cemetery, descend into a cursed crypt, and face the horrors that lurk below. Hide, fight, survive—do you have what it takes to make it out alive?

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.

"Return or No Return" is a first-person horror survival game set in a mansion that traps travelers passing through the infamous shortcut- The Tenebris Tunnel. After a mysterious smoke sweeps through the car, your friends have disappeared, and you're trapped! You must save them to escape death.

It’s 2091 and megacorp Horzine has produced the ultimate army: an obedient horde of bioengineered monsters called zeds. Now, join the rebel group Nightfall in this co-op action/horror FPS that puts you and your teammates in a battle for the future of humanity.

“Restricted Footage” is a horror and survival game for up to 4 players. You are entering into an area, where reportedly paranormal stuff is happening. Your purpose here is to take a footage with your action cam and to solve the paranormal case.

Operation Dimera is a co-op game for up to 3 players where you and your friends must save the world. Tackle diverse missions. Work together to solve puzzles that stand in your way and customize your weapons to be ready for anything! The fate of the world is in your hands!

A 1-4 player CO-OP horror game, a nightmare from hell, it is your objective to hunt down a sinister demon known as Mothman. Underequipped you must search the landscape for resources. Lay bear traps, stalk from a distance, and stay quiet. You came to hunt, only to be hunted.

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

Vicera is an online co-op game. Play as relic hunters, solving enigmatic mysteries and escaping a terrifying monster. Will you dare to face the darkness to find the cursed relics?

This game is a roguelike where you continuously fend off zombies by upgrading your gun. Survive the waves of zombies storming the house with your allies! As the days pass, more zombies will appear, including powerful ones, but you will grow stronger too.

-------The English version is now available ! :) ------

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.

ENTER HELL and experience blood and torment the way God intended. Use shotguns, rocket launchers, and more to spread the joy of suffering to your friends and loved ones.

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.

The return of a sensational game! Hellgate is an action RPG game you have been waiting for. Since its first release Hellgate won the hearts of thousands of fans and now it's time to bring back memories and dip into the near future of 2038. For all mankind!

MUTATION PHASE is a horror-shooter with a first-person view, which narrates the consequences of experiments with sound waves. You have to survive among hordes of mutants and get out of the danger zone.

System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.