Top similar games like Simulation Training Room: Massacre:
Simulation Training Room: Massacre FREE
Connect to the virtual world to kill zombies, gain experience and level up. Increase level and allocate skill points.
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The Forest$19.99
As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator.

Serious Sam Classic: The Second Encounter$5.99
Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!

Guns and RobotsFREE
Guns and Robots is free to play online third person shooter. The game brings robot action with massive customization. Players get cartoony bright 3D graphics in attractive environments and challenge each other in open arenas.

The Walking Dead Onslaught$29.99
There’s no rest when survival is on the line. Step into AMC’s The Walking Dead and prepare for an onslaught of walkers as you assume the roles of your favorite characters from the show, and confront the horrors and humanity of this apocalyptic new world.

Mist Survival$10.99
MIST SURVIVAL is a Single-player, survival stealth sandbox game Players will experience the Apocalypse stimulation in the form of virus pandemic, the players have to deal with it to survive through the difficulties such as finding shelter and food, threats from the environment and climate: wild animals, bandits, infected, and dense mist t

The Assailant's Arrival$0.99
Alternative Universe Game/Sci-Fi Game

Forbidden Ingress$4.99
Our world is in danger! Grab your gun and stop these uninvited guests!

Secrets Under EcoFREE
Explore Melior's military base in Secrets Under Eco; a 3D FPS pure metroidvania experience. Find equipment and fight enemies with unique wall-bouncing combat to escape the building and country that was once called home.

Otherworldly Air Gunship$1.99
This is a fun shooting game that includes tower defense elements. You will control an air gunship equipped with three main types of weapons and several powerful special weapons. And leap your army to defeat thousands of monsters from other worlds.

Putrefaction$1.99
Putrefaction is a First Person Shooter with horror elements, lots of enemies and weapons, heavily inspired by old-school shooter classics.

Resilience Wave Survival$4.99
Resilience: Wave Survival is a physics based endless wave survival shooter. Explore to Search for Weapons and Ammo to help Defeat the Enemies, better find food and water too if you want to Survive for longer, but Beware of the Tripods stalking the lands.

Zako SlayerFREE
You are a female super soldier trying to escape from the invaded base by unknown intruders. (A 2D Sci-fi Platformer, Megaman-like style, but with hack and slash.)

Galaxy in TurmoilFREE
Galaxy in Turmoil's conceptual Early Access game is a FREE multiplayer combined-arms game set in a brand-new universe, created by a team of volunteers. It’s all about endless arms races, corporate espionage, and, most of all, blasting up on the enemy faction and taking their stuff.

B3$0.99
B3 will be a first-person VR shooter where you have to defend your base from waves of attacking monsters.

FROSTBITE: Deadly ClimateFREE
Survive the arctic research base simply known as Base 75, or die from the freezing cold or by the horrors that lurk within the halls?

Moon Defence$8.99
Aiming is uneasy, movements are slow, resources are hard to earn. Stop farming infinite vegetables, try to acquire some more jigowatts in empty space, where no one can hear your scream. Moon is a harsh mistress.

Zombie Freaks$2.99
Fast paced retro shooting fps action. Explore the dark tunnels of a paramilitary Siberian base. Kill the mutant zombie freaks within. Find the key to the next level of blood soaked insanity. Unleash the brutal killing machine within you. Take no prisoners.

Alien Removal DivisionFREE
The invasion has started and the secret military research facility has fallen leaving only chaos. As the only survivor, you must fight your way through the military base against a horde of frantic aliens. A.R.D. is a FREE single-player first-person shooter made by students from Breda University.

Project AsteroidsFREE
In the vastness of space, you are a lone robot desperately trying to survive. Build, explore, and fight for your life as you face deadly threats in the asteroid belt. This hardcore game shows no mercy—dangers lurk at every step, ready to destroy you at any moment.

Burkina Faso: Radical Insurgency$9.99
BF:RI Is a Hardcore Tactical Shooter depicting the ongoing Burkina Faso Insurgency. You are CIA Special Operations Group tasked with hunting down ISIS insurgents

Art of War: Red TidesFREE
Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world!

DEAD TRAIN$0.99
A zombie survival game that takes place in a post-apocalyptic wasteland. You must manage your food and water carefully because resources are limited. You need to make your way to the end of the railway and back to civilization.

Ice Star$7.99
Action shooter with story elements.

Project Alpha 002$2.99
Abandoned wilderness awaits you, every day is a struggle to survive. Fight against hunger, the nature and the remaining residents. Collect resources to build a fortress, gain experience to earn supply drops to improve your survival chances in survivalmode.

BLOCKADEFREE
BLOCKADE Classic! First Person Shooter in an editable procedural cubic world. A large arsenal of weapons, 4 teams at the same time and up to 32 players on one map. A large number of game modes!

The Future Project$9.99
Take control of an AI soldier, explore planets, and partake in fast paced combat in The Future Project, a first person metroidvania. Explore distinct worlds, obtain new weapons and abilities, and defeat powerful enemies in humanity's quest to journey the stars.

Robots, Death & VeniceFREE
Defeat the Robot Mafia in a dystopian Venice in this thrilling shooting game. Join Fio Bucceri, a former secret agent now turned into a bounty hunter seeking revenge of the Robot Mafia.

Galactic Sanctuaries$3.99
Protect the lighthouse, destroy nests and complete tasks.

The Indie Game Legend 3D$9.99
Blast vicious aliens, explore their mysterious labyrinth, and rescue indie game makers in this lighthearted NES inspired first-person action adventure!

Serious Sam Classic: The First Encounter$5.99
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!

The Day Of Survival$5.99
The Day Of Survival Immerse yourself in a post-apocalyptic world where every decision is crucial. "The Day Of Survival" is a thrilling survival game that challenges players to explore a harsh, unforgiving landscape filled with zombies and enemy soldiers.

Occupy Mars: Prologue (2020)FREE
Occupy Mars: Prologue is an old introduction to the world of Occupy Mars in which you have to use your brain in order to survive. The Prologue tells a separate story in a closed location and shows a sneak-peek of the full game mechanics.

Space Pirates And Zombies 2$19.99
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.

HordeZ$16.99
If you are looking for a on-rails arcade experience that blends between classics like Doom, Left 4 dead and House of the Dead then we got you covered! Fast and simple gameplay that will bring you into a creepy world of zombies and demons. Show your skills to the world through our global leadboard system!

Contagion VR: Outbreak$9.99
Contagion VR: Outbreak will immerse you into the middle of a zombie apocalypse. Relive stories of the survivors in the Single Player campaign, take your time in Free Roam, or check out the Firing Range!

Bash The Party$4.99
Bash The Party is a fast-paced Wick-esque FPS game set in a futuristic cyberpunk environment. Use different pistols, carbines and rifles to fight with your enemies. You must be fast and precise to move through this cinematic game.

Lost in Vivo$11.99
A horror game about claustrophobia. During a storm your service dog is forced down a broken sewer drain. You find the nearest sewer entrance and run in after it. Along the way you will meet others that are also stricken by abnormal or psychological fear.

Gravity SphereFREE
Gravity Sphere is a 3D puzzle game where you use gravity fields to manipulate and guide projectiles through increasingly difficult levels. Strategize, aim, and solve challenging puzzles in a futuristic, physics-based environment.

IHAS$9.99
Find yourself aboard a giant spaceship in IHAS, a gripping Sci-Fi adventure handcrafted by a solo Ukrainian developer. Experience intense FPS action, mind-bending puzzles, and epic boss battles.

The Ship: Murder Party$9.99
The Ship is a murder mystery multiplayer.

Wounded - The Beginning$6.99
Wounded is a first-person survival horror game, bringing you the old-school indie horror vibe through a detailed and eerie environment.

Across Killzone$0.99
Nacro9 game studio My first effort Offer

THE MULLER-POWELL PRINCIPLE: ForewordFREE
This prologue was created to present an overall concept of the main game through a pair of gameplay hours to introduce you to some of the game’s mechanics, creatures, and ideas.

Divided SkiesFREE
Fly through the slums of futuristic Mumbai and complete various missions as Kyra - a member of the Nandaka gang. Transport illegal tech and mechanical enhancements, fight off rival gangs, chase down foes and explore hidden areas as you uncover the secrets of the metropolis

REDDOOR$12.99
in REDDOOR the player must survive against endless rounds of the undead, opening and clearing doors and using weapons, perks, utilities, and Power-Ups to their advantage to survive.

ZomDay$9.99
As zombie crisis broke out around the world,you will play one of the warrior of S.E.A.T(Special Event Action Team)to fight against the zombies all over the world.ZomDay is a fast pace VR shooting game contains multi-player mod,exciting Boss fight,character perk and hardcore weapon system.

Airtight City 密闭之城1.0$1.99
This is a TPS, horror-type action shooting game. The game will draw players into a terrifying dark world with detailed atmosphere rendering and weird story. Here, you are not defenseless, but even with a gun, you can't suppress the trembling from the heart. Game revenue is used for 2.0 development.

Stay OutFREE
Stay Out - is a MMORPG with shooter elements, based on spirit of “stalking” - an urban exploration, searching and exploring mysterious, abandoned and forgotten by humanity pieces of our planet.

EBOLA 2$14.99
EBOLA 2 is created in the spirit of the great classics of survival horrors. In this game, you will control the main character with a first-person camera which makes you feel like you’re in a real horror movie.

Red Measures$2.99
Red Measures is a first-person shooter in a forgotten soviet bunker where everything wants you to die. Use everything you can weapons, environment, biotechnology all to break through the hordes of mutants at procedurally generated levels.

V.R.G.$3.5
V.R.G. is a FPS cross between a retro-style and a modern-style , Defeat enemies and get combos to improve operability, and eat scatter pieces of meat to recover.