Top similar games like Doomsday Contact:

Action survival shooter with an open map, upgrades, lots of weapons and many enemy types.

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Incursion Red River is a tactical first-person extraction shooter set in war-torn modern day Vietnam. Exclusively single-player and co-op gameplay! Customize your loadout, complete contracts & extract, or die trying!

RoundZ is a round-based survival zombie game, with each round becoming progressively harder as the zombies get more health and in bigger waves. 

A fast paced tactical police shooter featuring dynamic missions that take place in real world locations that can be played in singleplayer mode or co-operatively.

PunjiVR is an unforgiving tactical shooter set during the Vietnam War. Gameplay is non-linear, replayable, and intense. This is not just "another VR shooter" or a tech demo. The jungle wants you dead, will you give in?

Astral Horizon is a first-person space opera adventure featuring combat with six degrees of freedom. Give orders to your squadmates and find creative ways to approach combat in zero-gravity. Explore epic sci-fi locations as you fight a war to uncover a perspective-shattering discovery.

Operation Athena is a tactical first person shooter that takes inspiration from classic tactical shooters with updated modern mechanics. Take part as an operator of Athena Team solo or with up to 4 players against a global terrorist threat.

UZG Remastered is a low-poly, single-player, and round-based zombie shooter. Progress through levels with increasingly harder enemies and upgrade yourself along the way.

DotStrike is a 3D online shooter in which alien invaders in the form of colored spheres fight each other in a seaport. But the aliens are not fighting alone.

After an attack by a paramilitary group on a government plane, you must retrieve two boxes of rare materials.

This game is for players who want to improve their shooting skills in games like Call of Duty.

We developed this game to test your competitiveness and your skills. If you want to try new challenges, play War Town.

Lock and load with Strike Force Delta in this action-packed sci-fi FPS! Play solo or team up to blast through hordes of Gacrux alien invaders, save humanity’s colonies, and dominate intense PvP showdowns. Gear up, soldier, and get ready to lead the Assault on Proxima!

A director of a large biomedicine company offers you a great contract to recover two notebooks seized at a military base.

Get ready for Task Force 9 - the VR game that puts your combat skills to the test. Take down enemies using force or stealth while controlling your AI partner. Use cover, explosives, rappelling, wall breaching, and ambushes to survive. Sharpen your situational awareness in close-quarters combat.

Boundary is a multiplayer tactical space-based shooter game, engaging in fierce team vs team zero gravity firefights and executing low-gravity operations on orbiting space installations against other enemy astroperators and other entities.

RAZE 2070: Sci-fi FPS shooter. Stunning graphics. Arm yourself, face relentless waves of murderous robots. Hold the line! Unlock Steam achievements, reach the highest score!

Immerse yourself in the classic military shooter experience or obliterate your foes with state-of-the-art, prototype equipment such as plasma rifles or remotely controlled mechs in this dynamic FPS.

WARMONGER:45 is a large-scale sci-fi multiplayer FPS that features the worldwide conflict between the Federation of America and the United Nations of Eurasia. Face-off in 30-vs.-30 combat to dominate the battlefield using numerous specialized classes.

Step into a world over run with Mycha, a strange mineral with seemingly magical powers. Clear monster-infested environments and protect researchers on your own or with up to three other players online. Welcome to The Federation.