Top similar games like Red Planet Rampart:

The game of survival and construction on the surface of the moon. Learn to build a base on the surface of the moon, maintain survival, explore and discover the secrets inside the moon, and solve abnormal problems.

Sci-Fi builder is a simulator and third-person sandbox game defined by creativity and fantasy where you play with hundreds of different characters, like humanoids, alien races, creatures and robots, it's a game where you can do whatever you want.

Ensure the moon is safe for man's inevitable lunar habitat. Drive and interact as a Lunar Rover with crashed ships, the natural resources and explore the nearby landscape to determine the suitability!

"Just a Game" is a sci-fi flying shooting game, you will control the robot protagonist zero and lead the partners in this exclusion of artificial intelligence in the world to survive, there are many camps in the game, you can choose to join them or one side.Build your fleet and fight the world.

Small game in Tower Defence genre with elements of shooter. Kill Replicators all by yourself or make perfect defence with different turrets.

Hyperons takes you on a captivating SciFi survival adventure. Immerse yourself in a fascinating world full of challenges and dangers, where you must fight for survival. Prepare yourself for an epic SciFi survival adventure in Hyperons and survive the challenges that await you!

Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.

You are an experienced astronaut, stranded in space. Will you reach Earth, or will you get lost in space and die?

Prologue to Orange Cast, an atmospheric adventure in a large-scale setting where Soviet and Western science fiction are combined itself. As a humanity’s elite space trooper, you take on a heroic, action-packed adventure throughout the galaxy.

Welcome to the Red Planet! Mars Colonization Survival Simulator offers you the opportunity to take on the role of the first pioneers of Mars. You will find yourself in extreme conditions with limited resources and your mission is to build, develop, sustain and explore the mysterious Martian terrain.

Embark on an epic 3D space shooter adventure featuring dynamic space combat and thrilling planetary exploration. Battle in single or multiplayer modes from 1v1 to 5v5, strategizing to achieve victory through base destruction, resource collection, or base capture. Dominate with our ranking system!

We have built a mini universe with real physics basis, simulation and imagination. The game uses realistic environments and models to tell a story of a mini universe.

Embark on an epic journey in Space Vortex! Hunt aliens, destroy their statues, collect black hole seeds, and access different space locations. Defeat enemies with asteroids in this thrilling adventure!

Shoot at enemies in a WEIGHTLESS space station to save yourself from burning alive in the atmosphere!

Epic Lawnmower game series continue now at space. Now you control super powered lawnmower space ship and fight against enemies at different space levels.

Galactic Simulator 2: Stargate is a roguelite simulation game inspired by the Fermi Paradox and the Great Filter. Pilot your ship, gather resources, explore beacons, and build stargates. Discover other civilizations—or colonize the stars.

Elusive Verge is a third-person space exploration game with dash of base-building, combat and survival.

Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!

This is a 3D space combat game.You will be driving a transformable mecha to perform missions singly or with your partner.There are large fleet, missile barrage, super beam cannon, dog-fighting and other exciting challenges waiting for you.

This is a 3D top-down shooting game with a huge open universe. You can drive a spaceship to find planets in need of help throughout the galaxy, help them destroy enemies, and earn your commission. Recruit team members, upgrade combat skills, and develop into a powerful interstellar mercenary group.

Battle For The Droid Station is a RPG shooting game now available on Steam. Feel the adrenaline as you run and gun down hundreds of rogue mechs and droids causing mayhem on the space station. Take control of your droid character and try to clear the space station from invading droids and robots.

The game "Terraspace" offers you a unique experience of planet settlement and terraforming — creating conditions for life on unsuitable planets. This will require you to build the necessary structures to populate the planet.

Dive into Astronaut Assault, a third-person Sci-Fi tower defense game, and battle against relentless enemy waves in diverse arena settings. Arm yourself with an array of turrets, traps, and gadgets to halt, hinder, and outmaneuver your foes.

Quriocity is a sci-fi city builder game set on a bare alien planet very similar to Earth. Build and upgrade a wide variety of units to extract resources and provide services, such as maintenance, food production, education, entertainment and many more.

Embark on an exciting mission to establish a colony on Titan, Saturn's enigmatic moon. Following Earth's collapse, humanity's fate rests in your hands. Gather essential resources, excel in trading, and combat ancient technology to secure our future on Titan's harsh frontier. Will you prevail?

Red Faction: Armageddon Path to War includes 4 new missions, 2 unlockable items and 10 new achievements!

vertical scrolling shoot 'em up arcade game

A sci-fi space vehicle combat game, where the player must defend their capital ship from being destroyed, while attempting to destroy the alien force's own capital ship!

Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.

Stacks:Space is a space-themed base builder card game with rogue-like elements. Buy booster packs to get new cards, discover craft recipes by stacking cards together, create structures, manufacture drones and droids, defend your base from enemies, visit distant planets, and more!

CosmoOdyssey: Trip to Mars is a first-person spaceship adventure with a special Ukrainian flavor.

Though faraway, they shall be vanquished! "Locust Hunter" is a third-person, level-based space shooter game. Pilot WHEEL fights through Locust defenses with lasers, missiles, and more. Her ally, NIGHT, gathers parts for weapon upgrades. Enjoy unlimited ammo and regenerating armor—just push forward!

Our brave hero Abda lost his father. After his death, he remained the only one of his kind. Everyone he loved died. After the funeral, he inherited his father's old starship. After fixing the flying saucer he had inherited, Abda got ready to go. Thus began the story of Abda Redeemer.

Start Fighter is an arcade game about the battle of spaceships. Explore the space station, shoot down enemy ships with heavy laser cannons, and control a maneuverable battle starship or a giant cruiser.

This is a space sci-fi survival and building game. You take on the role of a retired astronaut on a top-secret mission to the Halley’s Comet. Resource and time management will be key to your survival. Will you wisely use limited supplies to build your own space base and achieve self-sufficiency?