Top similar games like Nightmare Unleashed:

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.

Shoot,Kill,Buy,Adapt,Keep going and Win. Zomb'Invasion is an FPS multiplayer wave zombie shooter game where you need to defeat a countless number of zombies in chaotic conditions!

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

The dead don’t rest, and neither can you. In Necrotide, every wave grows stronger, quick reflexes and smart upgrades are your only hope. Survive the hordes, stock up between rounds, and confront the ultimate boss.

Bodycam: Deadsplit is a gritty online co-op multiplayer shooter for 1–4 players, where you face relentless zombie waves, hold your ground, and beat the clock.

First-person survival game set in the early stages of an apocalypse. Explore urban areas filled with brainless demons. Find what you really want or become one of THEM.

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.

Mutant Ops is a low poly co-op shooter. Go in alone or with friends and survive endless waves of mutants and monsters.

A strange fog rise up. You grabbed your shotgun when you heard a voice outside. Wtf Zombies. Try to stay alive for 5 minutes and kill them all to win and unlock next difficulty level.

A fast-paced, wave-based zombie shooter set in an alternate 1980s dystopia. Call in airstrikes, deploy support bots, upgrade wild weapons, and survive the horde—solo or with friends. No grinding. No paid DLC. Just pure, chaotic fun.

Bloodlit is a hardcore first-person shooter designed to unite slow-paced oppressive survival horror tension with fast-paced reflex-driven close-quarters combat. Carve your path through the blood and ruin. Regret is for the dead.

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.

A fast-paced sci-fi shooter where a failed experiment unleashes mutated horrors inside a secret research facility. Armed with experimental weapons, you must fight through swarms of twisted enemies, and survive the collapse of a world-breaking project.

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!

A world where the living envy the dead. Cities are plunged into darkness, the world into silence. You are part of the extraction team, but this time you are trying to save not just people, but humanity itself. Gear up, trust your comrades, and dive into the darkness to save humanity!

A classic-style hardcore dynamic shooter which takes place in a science underground center.

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.

Set in the zombie apocalypse, Left 4 Dead 2 is a 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.

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.

Black Ops Cold War, the direct sequel to Call of Duty®: Black Ops, will drop fans into the depths of the Cold War’s volatile geopolitical battle of the early 1980s.

Take on a city overrun by zombies with 1 to 4 players online — co-op or PvP! Hold the line against running, leaping, spitting hordes. Fight by day, hunt in the dark of night. Tear off limbs and unlock cosmetics with every kill. Stand together... or hunt each other down.

The dead never rest. Neither do you—play the demo now. Survive hordes of zombies alone or with your friends in the grim Wild West, build defenses, and fight for your life. Based on the official novel.

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.

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.

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.

Blood Rot: 1918 has players fighting against hordes of the undead in the midst of The Great War. Survive solo, or with friends in this first-person zombie shooter.

First person wave based shooter where you must survive, alone or with a friend. Kill and earn gold to buy weapons and experience to level up as the waves becomes harder.

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.

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.

WASTED Bloodline is a first-person shooter with stunning graphics, singleplayer botmatch mode, online multiplayer, and cooperative play, featuring long-term support.