Top similar games like Test Subject:

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

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

Welcome Human-V1399 to the "Human Restoration Program," the final hope for the rebirth of mankind. In this physics-based movement shooter, use telekinetic powers to defeat hostile alien-built creatures through the depths of an irradiated planet in a conflict-ridden solar system.

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.

This is Battle Rift, a sci fi, first-person shooter. It's like Super Mario only harder and in 3D and of course with weapons. The main mode is the "Challenge Mode" where you fight your way through 20 hard levels.

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.

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.

War In Other Space, Role-playing game, first-person shooter, there are 15 maps in the game, smart enemies with artificial intelligence, cool Science Fiction Weapons and all this in other Space

Find a way out of here and get back to earth in FLAW, a retro-FPS inspired by cult classics: Unreal, Quake 2, Half-Life and many others. You and the Flaming Dawn’s passengers were looking for a better life among the stars, you have yet found only despair and darkness.

Oh, I think there's something wrong with the mine Why don't you run away now?

"Break Robots VR" is an action game with somatosensory operation. You will play as an robot fighter to slash through the battlefield.

Escape the asteroid and solve challenging puzzles in Korlax Escape, a thrilling cartoony sci-fi game that puts you in control of a UFO. With shooting mechanics and moving hazards, retro-gamers and speed runners will love the exciting gameplay. Can you make it out alive in Korlax Escape?

Be the cactus, become the legend! Master foes, evade traps, and uncover artifacts as a spiky hero in this unique indie FPS, blending classic elements with quirky new ideas.

ZOOM is a fast-paced silly FPS with strategic gun and skill swapping. Play as an FBI (Feeding Beasts Intelligence) Agent and navigate zoo exhibits to satiate the hunger of the animals and stop their angry uprising with your special food gun!

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

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.

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

Fight your way through the mega-corporation Galatico, the gatekeepers of the universe’s most powerful transportation devices. Destroy their infrastructure and blast your way to the top in this boomer shooter inspired FPS.

Soldier Yōki, is an independent third-person action and shooter game. In solo or in cooperation, up to 4 players, browse the different cards with diverse gaming experiences. Face off against the Alien Alliance and be victorious of the Boss in order to win the game.

A sci-fi flying person vs. robot battle game. A robotic enemy seems to vastly outmatch your necessarily hand-thrown weapons. But as dangerous to you as it is, it can hardly compare to the indigenous robot (a "nuisance") which roams the flyland. Use EXTREME caution-- and patience!

Enter an immersive sci-fi first-person action experience that will test your abilities and push your limits. Engage in fast-paced combat. Blaze through obstacles. Find the light past the veil. Reveal the secrets of the maze.

Space bounty hunter Falco must explore the solar system in search of his ex-girlfriend and destroy the Black Star cult. Collect bounties, upgrade your equipment, explore planets, crack wise & fight aliens in this GZDoom-powered Retro-FPS adventure.

First-person action game against hordes of alien intruders.

Project: Break//Down is a experimental 3D action-adventure brawler with a unique limb-based combat system that allows for satisfying combat. In this game you explore the EZON complex a mass production and distribution facility secretly gone rogue in the shoes of 2 fools.