Top similar games like Prime Directive:

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.

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.

Camping and adventure await you and your Bow & Arrow! Solve puzzles and fight monsters in dungeons or relax and hike the open world. There's fun and excitement for everyone when you're Gone Camping!

Unveil the secrets of a lost planet. Evolve new powers to meet the challenge. Erupt in brutal shooter combat.

In a world of peace and tranquility, the fight of Bloxburg vs Cubeton turns violent! A brave adventurer goes on a long journey through the world of Bloxville to fight for the return to peace and tranquility.

When Earth falls to a viral collapse, the last hope hovers above it. Drop from orbit to stop a rogue scientist building an army underground Robben Island before he unleashes havoc unto the world.

Adrian's Quest is a single-player VR action-adventure game filled with physics-based puzzles and bizarre gunfights, set on a dusty, run-down alien planet home to strange creatures and a declining population.

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.

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.

Welcome to Vakrex, a world brimming with life but plagued by conflict. You must sift through the occupational forces and hostile wildlife to investigate the cosmic phenomena known as Neon Rain. You don't call the shots on this treacherous planet, however. Evolve or die.

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.

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

Roboholic is a thrilling Rogue-Lite FPS about robots and beer. Fast-paced gameplay inspired by Doom, with visuals akin to Borderlands. Wield powerful alco-guns, unleash unique abilities, and use the destructible environment to turn enemies into scrap. Bring the ultimate beer apocalypse to life!

In deep space, your robot transport vehicle crash-landed on a barren asteroid. The robots have escaped and are hungry for both revenge and crunchy humans. You are their only hope. Battle your way through multiple waves of rouge robots to avoid being SWARMED in this retro, heart pounding game.

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.

Fun and challenging retro style run and gun platform shooter. Blast your arm cannon, use grenades, shields, and melee weapons, dodge projectiles and make your way through the carefully crafted levels. Discover secret areas and destroy objects while navigating obstacles and defeat bosses to progress

Defend a NYC subway train from relentless alien waves as a lone security guard. Scavenge scarce ammo, upgrade your pistol with attachments and sub-weapons, fortify chokepoints, and survive increasingly deadly assaults in this tactical wave-based shooter.

Try the demo! A mix between Portal, Zelda and Metroid. Exploration, puzzles, terrible combat, secret upgrades and new abilities that help you reach new places. Playtime 12-25h.

Half on-rails shooter, half exploration-driven adventure. Zoom into a world where billions of bullets surround you and your handy punch feature can send enemies flying.

The zombie apocalypse takes a hilarious dimension

I Am – a story of awakenings is a story-driven first-person action game. Game play features puzzles, stealth, dialogue, physics, grenade dodging, payback, and lots and lots of explosions.

Exodomia is a narrative-driven, action-adventure game set on the robotic world of Salakar V! In this fast-paced combat experience, you will encounter many dangerous creatures and enemies as you navigate a story of struggle and survival.

Action shooter with story elements.

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.

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.

Fight rogue robots, solve Metroidvania-inspired puzzles, and jump-and-run through a stylized FPS adventure as Rusty, a janitor trying to fix one very bad day at work.

A sudden quarantine leaves you stranded within a forgotten sector of the Edifice, a decaying megastructure sheltering the last remnants of mankind. You'll need to scavenge whatever equipment you can get your hands on and venture deep into the sector's crumbling facilities to escape.