Top similar games like Biomass: Extermination:

Survive in a ruined Biosphere on a hostile alien world. Endure, then harness the extreme weather, battle powerful bosses for upgrades, and uncover the mystery behind the planet’s lost atmosphere.

Battle For Ercaton: Robot Uprising is a hardcore, story-driven first-person shooter that throws you into a world of ruthless machines and hidden secrets on the planet Ercaton.

Former FBI agent and fishing enthusiast, faces an alien-zombie apocalypse after a virus escapes from NASA. Determined to rescue his wife, he defies the FBI and embarks alone to confront the threat. An epic rescue mission filled with action and suspense!

Protect Gloobi is a strategic, space-themed FPS with a weird and offbeat vibe, where you split your focus between shredding your foes to pieces and replenishing your ammo by playing the game on your phone, during your challenging battles across the galaxy!

When scientists resumed their Unified Field Theory experiments this time they succeeded- with devastating consequences. You are trapped on a desolate Lunar Base with only your wits, real world astronaut weapons and a heads up display to give you instructions.

Welcome to D.A.R.P., Operator. You have been chosen to prove your Infiltration, Weapons and Explosives skills throughout various objectives in this Physics based Stealth Action VR Game. Candidates unable to comply or show signs of weakness, will be terminated immediately.

Whilst researching the mysterious new element Descentium, A remote facility in Southeast Asia has gone radio silent. Alina, an elite operative who works for Descent Laboratories has been sent to investigate. Will Alina discover the secrets of the temple or fall into madness?

Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine.

Explore a mysterious alien world in this atmospheric Metroidvania shooter. A vast world awaits, but its greatest mystery is you.

Start your journey as Cyrus to find your sister, Ava in Spring. The first game of The Seasons Collection involves brilliant FPS gameplay with a beautiful story to remember. All you will have is a rifle, a shotgun and limitless enemies as you start discovering the mystery of the forest.

An action-packed shooter where you always need to be on the move. Pick your gun from hundreds of randomly generated options, make your enemies explode, and try to bring down that UFO!

ONCE / однажды is a first-person adventure game set in an alternative post-Soviet space. As a volunteer, you go to conduct an unscheduled inspection of power plant points.

In the future, humans conquered the stars and colonized other planets. In the bowels of the icy planet, scientists have discovered a natural and safe source of energy. But at the same time, they awakened an ancient alien life form. There is a conflict on the planet. Volunteers come to the rescue.

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

You woke up as a test subject in an empty, deserted place. Here begins the study of the mysterious sequoia forest, where there are many mysteries, fantasy, wild animals. With the onset of night, there will be a meeting with the "Great", who will lead you to truth and death.

First-person Ability Shooter with fast-paced action, bosses, and multiple levels. A meteorite crashes, leaving a powerful resource that others are willing to do anything to obtain, alongside a dangerous creature that arrived with the meteorite. It's up to you to stop them and save the world.

Play as an Elite Agent of SRF the System Restore Force, with the sole purpose of purging the Virus and it's corruption, climb through the different layers of the Source code and uncover it's mysteries, defeat bosses, and find the Master of the infection, allowing you to RESTORE THE SYSTEM!

The Stranger is an intense VR combat game which sets in an incredibly detailed exotic world. Explore the rich sci fi universe and survive with your weapons and wrist blade. Welcome to the world of the Stranger!

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.

You need to survive every round of enemy attacks, kill enemies to get rewards, buy props or extract stronger weapons to deal with stronger enemies, until you kill the last enemy. Enjoy the thrill of battle.

Experience a battle for humanity’s survival in Time to the Frontline, a third-person shooter with fast‑paced combat, and in‑depth, narrative‑driven choices where soldiers travel through time to halt an alien invasion altering history. Fight between future wars to the Middle Ages, and shape fate.

This game invites you to an action-packed adventure. What could you sacrifice to save a military base captured by aliens from aliens?

Sweet Surrender is a fast-paced roguelike VR shooter. Fight your way up a dystopian megatower, filled to the brim with tyrant machines hell-bent on destroying the last of humanity. Build your arsenal of weapons, upgrades, and explosives to take down the machine overlords.

Travel through an overgrown megastructure, and discover what lies beyond it. Metal Garden is a short, atmospheric singleplayer FPS game.