Top similar games like Area 51 Defense:

Colony Assault is an action game in which you play as a marine commander sent to evacuate scientists from a research colony on planet LN-421, after recieving their distress signal.

A scifi third person survival horror. Stranded in the farthest reaches of space, Dr. Belica Gale boards the Opaldune seeking help. But in the bowels of the ship, monsters are prowling. Slip through dark hallways to scavenge for supplies, solve puzzles, and evade enemies long enough to get back out.

Zedfest is the goriest game show ever created! A hardcore 6 player co-op third-person shooter with the goal to complete objectives while neutralizing Zeds with lots and lots of visceral gore.

RETRO RAMPAGE FOR PC! Set in the town of Frontier, Missouri, in the 1980s, young man called Mark finds a prototype of VR-glasses. And to his surprise, the glasses are compatible with his Amiga 500. He launches a game and step in to an incredible adventure..

Dark history about OSIRIS corporation, which performs experiments in the field of teleportation of human souls to the Heaven on the artificial planet G6. Inspired by Deep Dark Dubstep music.

Hatred is a violent twin-stick shooter, in which you take the role of The Antagonist fighting against all of humanity.

Grab your sword and purge the land of evil forces in Usurpator. In this MMO light melee slasher you will meet many other warriors on your quest as you unlock mighty weapons and learn devastating skills. Form allegiances with friends and battle your way to glory!

40 years in the future, after AI destroyed the world, a post-apocalyptic society lives hidden in the shadows knowing little of what came before. Venture down into a dark laboratory, fight your way past killer creatures, a maze of sinister traps, and evil AI to save the human race.

Tactical multiplayer chaos.That's what would describe this game in 3 words. It's fast, it's messy, it's challenging. Do you like blowing up zombies to bits together with your friends? Protecting your base from the enemy team? Grab your gear and start the chaos!

Guardians of Orion is a Sci-Fi Action RPG Looter Shooter with Dinosaurs and Robots. Complete Mission Objectives all over the Galaxy with your friends to earn new Gear & Rewards!

Shore up your home, take up arms, and hope the night ends with this terrible enemy returning from whence they came. Reclaim and defend your outpost against an onslaught of monstrous invaders using whatever you can to keep them at bay.

This game is only for those who willing to take challenge or hurt themselves.

A thrilling, first-person, action-survival game set in the modern post-apocalypse. As mankind’s last hope, you’ll traverse the hospital ravaged by a lethal plague. the fight for survival gets progressively more difficult as the story unfolds. Be ready for violence

He had one rule: No killing women or children. When a hitman is double-crossed by his employer, he brings forth a night of carnage and bloodshed.

A psychological horror game where fear and paranoia merge into a terrifying story!

A dark co-op top-down shooter in a post-soviet zombie apocalypse setting. You appear at a random location in the city. The goal is to get to the transport, and you will make the path yourself. In the day - look for resources and build fortifications. At night - destroy the dead and their bosses!

Dead Ground:Arena is an action packed FPS VR shooter, ready to get your heart skip a beat during exciting standoffs with infected creatures. Players take on the role of a secret agent for Blackrain, for whom they are sent on a range of challenging missions.

【Can you live with this fear?】 A horror game developed by a Japanese high school student all by himself is coming to Steam! Escape the monster's pursuit in the creepy mansion, sometimes using weapons to fight back and find the key to escape!

Defend your fortified barricade by night, collect weapons and conduct repairs by day. Survive long enough to make your way through America and towards rescue.

Zombie Mutant DNA is a retro style top-down shooter. Focused on action-packed zombie shooting fun. Travel through a post-apocalyptic world infested with mutated monsters. Acquire new weapons, fight epic boss battles, and discover hidden secrets.

Hardline of sci-fi survival on Space Station! Craft, Research, Explore and Fight against evolving mutants. Interesting open world and big sectors to explore! Manage the entire colony single-handed! Can you survive long enough to escape the horror?

Zombie Desperation is a small horror game where you shoot hordes of zombies until you die, aiming to obtain a higher rank in the online leaderboards while unlocking new scenarios and weapons.

Outside - Is a first-person survival horror, Your main task is to survive at any cost or die at the hands of the maniac who lives in the region.

Survive in a city controlled by a game corporation. Residents have to buy DLC for every unfinished product, developers are forced to make endless sequels, and lootboxes are now sold even at the grocery store. Stop the madness or join it in the cybernetic stealth-shooter Geeksos.

Wrong turn, wrong place. Now you are in the middle of nowhere, surrounded by horde of faceless creatures... and you are very short on ammo.

Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!

RUINER is a brutal action shooter set in the year 2091 in the cyber metropolis Rengkok. A wired psychopath lashes out against a corrupt system to uncover the truth and retrieve his kidnapped brother under the guidance of a secretive hacker friend.

After losing contact with a space station on mars, you are sent to retrieve a high value item for the company. It didn’t take very long for our protagonist to find out that something went very very wrong in this place. Use stealth to get past your enemies or run for your life hoping that they don't catch up and explode in your face.

Defense: Abominations is a first person tower defense game where you try to survive the abominations stored in the laboratory, as long as you can.

Alice returned to her hometown after a long journey. But nobody was there. Save the inhabitants and defeat the leader of the gang.

In the game MONEY LOVES SILENCE, you’re a bank employee and it’s your job to go after debtors. Everyone’s past catches up with them at some point and you’re no exception. You’ll need to help yourself when this happens. Buy everything you need and get ready to head out on an adventure.

Chaos Town is a top-down chaotic shooter game where everything is destructible!

Designed Exclusively for VR, Reficul is a rogue-like open world survival horror game with a Hell of an atmosphere. Features realistic weapon handling, magical relics, and a unique enemy. Reficul is a scary apocalyptic survival horror game which will challenge your survival skills in every way.

Dish out carnage of hellish proportions in Gunnheim, a top-down co-op shooter where the equation is simple: Vikings + Guns = Mayhem!