Top Aliens Games

Welcome to CosmoCore. Get ready to start your career as a miner at the Verge of the universe. Drill through the hardened entrails of the ancient asteroids, find and extract valuable materials, eithe.....

In the year 2137, an unexpected threat emerges at a European Space Authority research base near the Korolev Crater: ancient creatures awaken from the ice. Your mission is to protect the base, uncover ...

bobo Alien Invasion!You are the spearhead of the defense fleet, and you will lead the charge to defeat the bobo alien.Can You Defeat them and Win A High Score?Total 9 levels, 3 bosses, 6 kinds of ene....

Shape the void with the power of your cursor! A Void Shaper is an arcade game about avoiding shapes and killing them, while you collect upgrades. Unlock new enemy shapes and upgrades as you progress t...

Welcome to Space Vortex! In this action-packed game, you'll dive into the depths of space, chasing aliens and destroying their statues to halt the enemy spawn. Collect black hole seeds from the destro...

Reclamation of Xanthros is a unique Tower-Defense Roguelike game with a focus on replayability. It features a unique turret building mechanic, map alterations, biomes, and artifacts. Each enemy has .....

Orbitron: Space Academy is a unique sci-fi PvP tactical arcade with two main modes — Pure tactical Space Chess mode or tactical mode combine with real-time arcade battles, based on SteamNetwork. Insp....

Embark on a thrilling journey as the Cardstronaut in this 2.5D roguelike deck-building adventure! Set on a desolate alien planet, you play as a space engineer who returns to find your massive mining.....

Play the demo free when it's ready!Void Vanquishers is an intense survival game where celestial beings clash in a demonic universe filled with rogue-like challenges and relentless action with a sci-.....

The Intergalactic Game of Combat and Acquisition! Explore and conquer unknown regions of the galaxy.It is the year 2127, galactic standard time, at the close of the Galactic Wars. You purchase a star....

Embark on an otherworldly adventure with a cosmic slime as your guide. In the tranquil realms of the spiritual forests, your amorphous companion wanders peacefully until the arrival of extraterrestria...

In the 22nd century, humanity reached new heights in space exploration, colonizing distant worlds and exploring countless star systems. However, relentless expansion and the endless search for resourc...

You’re the best arithmetech racer on Earth. But what about everywhere else?Add Astra is a math game about racing, and a racing game about math, developed by Coincidence. We made it for a client to i.....

Corrupted WorldsExplore, Solve, and Save the Universe!Step into the fascinating world of Corrupted Worlds, a cosmic puzzle game where your mission is to explore the solar system and uncover the secr.....

WISHLIST NOWAbout the GameSpace colonies have to face a massive threat to their existence: gargantuan aliens from an eldritch nebula invade our galaxy, and their only instinct is to eat and digest w.....

Steamdeck VerifiedNew FREE DLC : The Creators' Ruins!Get ready for a massive, free lifetime updateBeing the chaotic gremlins we are, we're thrilled to unveil this lifetime-free Biome DLC for your enj....

In this exciting adventure...a boy named Thomas and his friend Evey are trusted to deliver a package. Little do they know there is a force stalking them, and what they carry will decide the future. Ea...

Flank Speed is a top down 3D arcade space shooter, based on the simple graphics and gameplay of early 90s computer games. Take control of different classes of combat ships and fight against unrelentin...