20 Games Like Killing Floor()




PAYDAY: The Heist is an action filled first person shooter that lets players take on the role of a hardened career criminal executing intense, dynamic heists in constant pursuit of the next “big score”. Load out with an array of weaponry and equipment. Navigate six high-stake heists with three other live or A.I. Co-Op partners in crime.

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71 / 100403.55



Contagion takes place in a fictional world where the original Roanoke Colony thrived up until now. A contagion of unknown origins has infected the locals turning them into a mindless horde of flesh eating zombies. It is up to the remaining survivors to escape, extract, or hunt one another if they are to survive the horrors they now face. 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.

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60 / 10023.0



Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. One of the most popular Half-Life 2 modifications of all time.

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70 / 10003.5



Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.

Available free of charge, the game thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Blaze your way through an overrun, off-world colony, eradicating the alien infestation in environments ranging from the icy planet's surface, to a subterranean lava-flooded mining facility.
Along with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine.

- Tactical, 4 player co-op action game with a top-down perspective
- Complete game code and mod tools
- Unlock persistent items by gaining levels
- Over 40 weapons and equipment with countless loadout configurations
- 4 unique classes and 8 unique characters
- Matchmaking, Steam Cloud, Steam Stats
- 64 achievements
- Tile-based map generation tool
- Powered by Source and Steam

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75 / 100213.75



Left 4 Dead 2 is a cooperative first-person shooter video game, the sequel to Valve Corporation's Left 4 Dead. The Game builds upon cooperatively focused gameplay and Valve's proprietary Source engine, the same game engine used in the original Left 4 Dead. Set during the aftermath of an apocalyptic pandemic, Left 4 Dead 2 focuses on four new Survivors, fighting against hordes of the Infected, who develop severe psychosis and exhibit zombie-like tendencies. The Survivors must fight their way through five campaigns, interspersed with safe houses that act as checkpoints, with the goal of escape at each campaign's finale.

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82 / 1002614.1



Choose from a selection of 9 unique classes with entertaining personalities to capture or defend the objective against the enemy team, consisting of your alternately coloured counterparts, with a wide variety of weapons and cosmetics to customize your multiplayer experience.

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84 / 1002114.2



Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode. Play On-Line in coop, in single player or in local coop!
August 17, 1977
Scattered groups of zombies infiltrate remote Midwestern towns. Incapable of using tools or weapons, the invaders are resisted until they retreat back into the desert. Special elimination posses are set up to hunt down any of the surviving undead. Six weeks after the squads started their search-and-destroy mission, the last known zombie was shot and killed.
Present-day
Over thirty years had passed when a truck driver traveling down a desolate Arizona road plows into a wall of undead. Before the driver's phone signal went dead, he reported some were carrying guns... They're back and now they are hunting us.
Steam Exclusive Features: Local and On-line Coop — Take on the horde and earn perks together
Barricade Mode — Defend your base against zombie attack
Over 100 Steam Achievements and a dozen Leaderboards
30 Additional Steam User-designed Perks
Xbox 360 Controller support for single or multiplayer
Steam Hammer — Rips the skin off your opponent (nice)
New Steam User designed weapons — Minigun, AA-12, MP5, Beretta 93R, Super Shorty and more
New Levels and New Enemies — Zombie patients and caretakers in a desert asylum, Brawler boss zombies, Suicide bomber zombies..
Pneumatic Destroyer — Detonates the Rammer they are surrounded by zombies
Key Features: Ultra Fast Action — Fight armies of hundreds of zombies and their bosses in an exceptional close-quarter battlefield experience
Deadly Weapons — Use machetes, axes, jack hammers, dual Uzis, flame throwers, grenades, poison and a dozen more including a Steam Hammer, exclusive to Steam purchasers
Customize Yourself — 100 player modifiers combine with two dozen power-ups for limitless gameplay
Four Game Modes — Free Play, Survival, Barricade and 18 increasingly brutal missions await
Zombies with Guns — They wield axes, cut-off saws, AK-47s and more

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80 / 10004.0



Featuring a co-op campaign for 1 to 4 players, Nazi Zombie Army is a horrifying new stand-alone expansion of the award-winning Sniper Elite series. In the dying flames of World War II, a despairing Hitler unleashes one final, unholy gamble – a legion of undead super soldiers that threatens to overwhelm the whole of Europe.

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69 / 10053.45



Welcome to Hollywood! The home of fame and fortune! That's what the flyer said anyway. The reality hasn't proven quite so fruitful. All you need is one shot, and you'll do whatever it takes to get it. Fortunately for you, the notorious Director X has arrived in town! This well known Horror movie producer always manages to astonish his audience with the realism of his scenes.

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60 / 10013.0



"When there's no more room in hell, the dead will walk the earth."

A tribute to the highly acclaimed film series in which the above quote originated from, No More Room in Hell (PC Gamer's Mod of the Year 2011, ModDB's Editor Choice Multiplayer Mod of the Year 2011), is a co-operative realistic first person survival horror modification for the Source Engine. Taking inspiration from George Romero's "Of the Dead" series, the mod is set during a time in which the world is on the verge of collapsing into chaos from a disease whose origin is unknown. Many experts and organizations have their theories and ideas on how such a disease emerged and started to systematically destroy our very way of life, but one fact is clear to all. Whoever perishes from the disease gets up and kills, and the people they killed get up and kill.

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. There are still a handful of uninfected survivors left in this god forsaken hellhole, and with co-operation and teamwork, you may live long enough to fight your way to salvation.Features:Teamwork: Co-operative play with up to eight players.

Voice and Text Communications Limited by Distance: The further you're away the harder it is for other players to hear you. Keep those walkie talkies close.

Dynamic Objective Maps: The next playthrough may not be the same as the last!
Survival Mode: Defend and maintain your shelter against the undead in the hopes of getting extracted to a safe area.

A Realistic Approach: In short, no crosshairs with limited "only when you want it" HUD. In addition, ammo and weapons are extremely scarce. With that in mind, aim down your sights and shoot for the head!

Multitude of Different Opponents: Ranging from the iconic "walking zombie" to the more contemporary "runners", NMRiH will keep you on your toes with a mix of dangerous foes to face down. However, the most dangerous enemy may not always be the walking dead...

Infection: One bite may be what it takes to bring you down. If infected, you must decide if you want to alert your team to rid you of your burden, or to keep quiet in the hopes of finding a cure...

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58 / 10042.9



Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology. Featuring state of the art graphics, all new sounds, and introducing physics, Counter-Strike: Source is a must-have for every action gamer.

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81 / 1001464.05



Can you survive the alien onslaught? Alien Breed 2: Assault is the second chapter in the Alien Breed series, and is an explosive science fiction arcade-shooter with an epic story, swarms of highly intelligent alien enemies, high-impact weaponry, highly detailed and rich environments, developed using Epic Games' Unreal Engine 3. Take control of the hero, Conrad, the ship’s Chief Engineer, and continue your fight for survival across the fatally damaged space vessel, against a ruthless assault by an alien horde. Your only hope relies on reigniting the alien space craft’s monstrous engines to rescue you from impending annihilation. Deep inside the bowels of the unfamiliar craft, and with time rapidly running out, ready your weapons and begin to claw your way through the darkness in a fight for survival. But you are not alone. The ship is home to the carnivorous alien horde and something else ... something yet to reveal its true intentions ... something biding its time. In addition to the thrilling single-player campaign and all new “survivor” modes, the game also offers relentless, action-packed, two-player online co-operative battle modes.

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60 / 10003.0



As a survivor of the mutant virus together with a comrade or alone, you must make your way through the city levels, every new area uncovering new challenges to overcome and mutants to destroy. With a large variety of weapons at your disposal, together you must wipe out the hordes of flesh eating mutants. Teamwork is the key to survive the DEAD HORDE...Key features:Dead Horde is an action packed, co-op top down, survival-horror shooter.

Play the campaign in single-player, local co-op or online co-op with a friend. Make your way through the levels with a huge variety of weapons. Use assault rifles, shotguns, grenades, mini-guns and a lot more to unlock during the game.

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40 / 10012.0



Natural Selection 2 is an immersive, multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival. It seamlessly combines shooter and RTS/strategy gameplay.

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79 / 10093.95



Cry of Fear is a single-player, horror modification for Half-Life 1 that brings you all the horrors you have always been afraid of.
This is a free total converstion of Half-Life 1, which means none of the assets from Half-Life 1 have been used in this mod or any files from other people, it is a totally unique experience. Everything is made exclusively by Team Psykskallar, the Cry of Fear developers.

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56 / 10062.8



The Bunch is the most formidable team of elite fighters ever assembled from around the world. What brought them together? Well, obviously the Earth is under attack! An alien invasion is threatening all humankind, without regards to gender, color or nationality. And these nasty aliens have a powerful Zombie Army at their disposal!

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40 / 10012.0



Primal Carnage is an online multiplayer shooter that will engross its players in skilled PVP combat, team-based strategy and savage class-oriented matches unlike any you've previously experienced; be it an armed human mercenary or a cunning dinosaur, Primal Carnage is sure to unleash the inner beast in anyone who seeks to survive among the fittest.

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80 / 10004.0



Lead and Gold: Gangs of the Wild West is a third person shooter delivering an intense team based multiplayer experience. Relive the violent era of the Wild West as it ought to be with adrenaline fuelled action and fast paced gunfights. Fight gritty battles in beautifully rendered classic western settings. Test your mettle in genre specific game modes and levels tailor-made for satisfying team play.
Lead and Gold features the unique Synergy system, a power up system encouraging co-operation and team tactics. The Synergy system permeates the frantic shooter gameplay and rewards the player for objective oriented gameplay.

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60 / 10023.0



In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.

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60 / 10053.0



Do you like running? How about gunning? What if special abilities are thrown into the mix? Upgradable weapons? Let's say there’re dozens of on-screen enemies to unleash this firepower on, and as your reward for dispatching them you get experience and gold to collect that can be used for character customization and new equipment--all the while playing alongside friends in 4-player cooperative play! If you like the sound of all this, then you'll love God Mode.

Retro shooter action and RPG elements are combined in this new downloadable third-person shooter. God Mode combines non-linear gameplay, fast and frantic shooting, hordes of on-screen enemies, a fully functional online coop mode, and features visuals and gameplay that rival that of a full-priced boxed title. Matches rarely--if ever--play out the same, as dozens of in-game modifiers can significantly alter the gameplay on the fly. Characters are fully customizable, both in appearance and equipment, which continually evolve. Gold and experience are constantly accrued and used to unlock new and satisfying weaponry and unique powerful abilities, both of which can be further upgraded.Key Features:Cooperative multiplayer for up to 4 players (with special PvP locations)
Collect gold and experience to unlock upgradable weapons and abilities
Extensive character customization
Dozens of Tests of Faith (in-game modifiers) dynamically alter gameplay in each level

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50 / 10012.5