Top similar games like Unknown Signal: Invasion:

Mayhem's World, a fighter game, a adventure game, a relaxing game, a farming game. Play how you want in Mayhem's World!

After years of oppression, the time has come to rise up. In this action-adventure boss-rush game, uncover a devastating conflict's history and take down FOFEC, an experimental enemy unit stripped of its humanity and modified to become the perfect super soldiers.

A survival shooter with story elements where you explore a hostile alien world after crash-landing your spaceship. Complete quests and gather the resources needed to escape.

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.

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.

Pilot your advanced Trident fighter through a mysterious frontier, where survival hinges on skill, strategy, and an inexplicable alien bond. XERXES:SHADOW - Your mind is the battlefield.

Asgard's Edda: Mechanical Threat is an action shooter. Play as one of Asgardian descendants, battling the ancient Architect and his nanobot army. Explore diverse locations, use heavy machine guns and traps in tactical combat, and upgrade your character in a rich mythological universe.

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

Join the RebelZ and experience intense, action-driven single-player FPS gameplay. Stand against a powerful AI empire and protect the last surviving groups of humanity in a world on the brink of extinction.

Buried Bullets is a first-person, fast-paced Western action shooter where you dig for scarce ammunition, swap between specialized bullet types, unlock powerful upgrades, and battle ruthless outlaws across a dangerous frontier.

CuberPunk 2090 is an adventure game set in the village of Cuberovka. You play as Vova, a gamer and former president of Cube-States.

You are entrusted with the role of one of the elite captains, put on a high-tech mech suit suitable for travel into space and go on an exciting journey.

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.

F.E.R.A.S: The Mystery of Future Island is a dynamic and unforgettable FPS where you play as a secret agent armadillo. Blending intense battles with the unique ability to roll through environments and tackle challenges, the game delivers a one-of-a-kind action-packed experience.

Protect the lighthouse, destroy nests and complete tasks.

Set against the backdrop of a dark, story rich, alternative past: The Earth is ravaged. Pollution has scorched the land and the forests, turning day and night to one. Can you survive the Half Light?

Number19 is sent into a zombie-filled labyrinth through portals by Dimension Technology Lab. In this terrifying world filled with limited ammunition and mysterious enemies, it takes courage and strategy to survive and escape the labyrinth.

Survive and Escape! Crash-landed on an asteroid, your oxygen is running out. Explore, mine precious resources, build a base, and repair your ship to survive the dangers of space. Do you have what it takes to escape?

Phoenix: The Fall is a multiplayer FPS featuring intense close-quarters combat, a dark near-future setting, and tactical team-based gameplay.

Chemical-Burn is a first person shooter action-adventure set in Hazard City—one of the last few cities on Earth, where the remaining human populations have been placed. Engage in thrilling first person combat as Cindy using a variety of weapons & your dog Buddy. Plan. Execute. Survive. Repeat.

Android Simulator: Prologue is just part of the amazing adventure that awaits you in the full version of the game. Take charge of a spaceship colony, flight route and manage the right water balance for plants, oxygen level, and spacecraft parameters to securely deliver the colonizers.

Blast vicious aliens, explore their mysterious labyrinth, and rescue indie game makers in this lighthearted NES inspired first-person action adventure!

An immersive, meditative, and philosophical sci-fi fps. The player converts a metaresource into energy for weapons and health, drives a flying rover across the surface of a desolate planet, descends into abandoned underground complexes, and uses a teleportation sphere to overcome obstacles.

Cyber Courier 2088 is an cyberpunk sci-fi courier game, where you start out as a taxi driver transporting passengers and goods as you become a sought after cyber courier in a crazy low-poly Sci-Fi world.

Running. Gunning. Reading.

ANONYMOUS HUNTING SIMULATOR is a dynamic first-person shooter. Your task is to explore the location and collect ten masks to complete the level.

Deliver packages in a world torn by goddesses. Working for Cargon they guarantee your package will arrive no matter what hazards!

First person shooter game based on the first part of the Spellbound series of books. You play as Damitri with his ability to use ice magic. The player will use snowballs and icicles to defeat enemies. They will use Laura's song or scream to heal yourself or hurt foes. 14 stages 4 bosses and 3 modes.