Top similar games like Astronaut Assault:

Build traps. Fight bots. Survive the waves. Die Robot is a stylized third-person tower defense game where you defend a mysterious Data Seed from waves of robots, the Carbonites. Mix real-time base building with fast-paced combat in a strategic fight for survival.

Valdis est un hybride dynamique tower defense et third-person shooter en univers sci-fi. Défendez le noyau énergétique d’une station spatiale contre des vagues de zombies, combinez tourelles et éléments, déclenchez des réactions dévastatrices et survivez avec votre fusil à pompe !

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

Eden Star is a fast paced Sci-Fi survival game that blends unique physics based combat, destructible environments and free-form construction with the exploration of a hostile alien world.

Discover a still unexplored region of space: the Exot galaxy. With your C.L.I.C. as your only ally, obtain the resources necessary for your survival. Develop your ship, improve your workshops, face creatures to conquer these hostile lands.

Hostile Mars is a Factory-Building game focused on Combat! Explore an open world and discover new tech, unlocking powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!

Farm, Build, Defend, in the Galaxy's only Arcade-Tower-Defense.

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

Control a Nanite body from a space station to gather Nanite resources on Earth, seized by a rogue AI. Build and fortify your dropbase with turrets and defenses, fight waves of robotic enemies, and collect Nanites for extraction, balancing fast FPS combat with strategic tower placement.

Defend the furnace from waves of goblins by building and upgrading in an FPS tower defense.

Outlanders is a sci-fi open-world survival game set on Veridion Prime. Build your base, fight hostile factions, explore alien biomes, craft advanced gear, and survive deadly environmental threats in a living world shaped by your choices.

Survive on an open-world island with unlockable abilities that help you on your journey in Gengu Survival. Craft new items as you level up and build your own base wherever you want. But be aware, there is something strange on this island...

In Cosmic Remnants, you find yourself adrift in space with only a floating platform. Alone or with friends, survive by scavenging resources, upgrading your platform, and enhancing yourself with discovered body parts. Explore advanced bases and uncover the truth behind humanity's demise!

Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, and defend your stronghold against relentless attacks. In this action-packed block-builder, survival is earned, and only the strongest will remain.

Gather your crew. In Solitary Horizons, up to 4 players fight to survive a hostile alien world - scavenging resources, building fortified bases, and deploying intelligent robot companions against waves of relentless threats. In the dark, something is hunting you. Stay together, or die alone.

Star-Coat is a third person shooter where you dive into procedurally generated maps to fight corrupted enemies and the bosses that command them. Outfit your pilot and your COAT, a fearsome walker, with a variety of weapons and armor to help you defeat evil in the universe.

section for a game where players need to survive from wildlife, mine resources, craft items and structures, and even form tribes:

A survival adventure game where players explore vast stages, solve puzzles, and find treasure while avoiding or battling enemies. Limited resources and inventory management require strategic play, offering tension and challenge without horror elements.

Bandit the game is an open-world RPG with unique quests, character development, intense combat and interesting exploration. With optional elements: tower defense, city/base building and gang management.

Rise of Mutant Swarms is a strategy survival tower-defense game where you defend the base against waves of evolving mutant enemies. Place and upgrade turrets, adapt to enemy abilities, and make critical decisions as the pressure rises with every wave.

Adventure a hand crafted open world inspired by pirate tales! Sail the seas, explore dangerous islands, plunder your enemies' booty, gather treasures, and build your hideout. Stay on your guard, some pirate legends.. may not be just legends!

Cryowakers is an exploration and survival game that takes place in a randomly-generated futuristic world. Play solo or with seven other players to explore, survive, build, and fight to uncover the truth behind the cryosleep experiments.

In Domefender you are the commander of a mining outpost on a hostile alien planet - and the pilot of a powerful customizable mech. Expand your base, recruit soldiers, and take control of your mech to defend your dome generator at all costs.

A base-building survival game with terraforming and crafting. Earth lies poisoned and abandoned ten thousand years after invasion. Awaken from stasis, defend your fragile foothold, and restore a dead world so humanity can live here again.

Take over a disfunctional Waste Management Facility on a distant planet. Build incinerators, recyclers, robots, turrets, and more. Battle vicious creatures on the planet's surface with powerful weapons!

Manny TD is a hybrid tower defense and third-person shooter with random in game elements. Join and get your personal high score!

ALBERO is a 3rd-person action game where you destroy hexagon terrain to gather resources and fight off monster waves. Don't fear death; it makes you a stronger warrior. Ready to teach a lesson to monsters who underestimate your cute appearance?

An emergent open world exploration and survival game. Explore vast islands overrun by robot life and uncover the mystery of the cataclysm that flooded the Earth. Play solo or in co-op.

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

SpaceMine is a third-person tower defence game where your mission is to defend your mining operation by building towers and barriers to hold off waves of local fauna and collect enough resources to meet the company's quota.

Land on a new planet as a space refugee. Craft items, build bases, and battle aliens to survive. Pioneer your future in this online survival RPG.

Take on the role of sci-fi warrior Maya. Capture uplinks, master a complex move-set along with weapon upgrades, and survive on a hostile planet.

Start to play in the open world to master the game! For another day is a new world that need to be discovered from scratch by you.

Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?