Top similar games like Celestial Raider:

The Japanese just love their famous German-inspired Baumkuchen cakes, and hungry invaders from across the universe have discovered these delicious treats too! Are you up to the challenge of protecting the precious desserts from waves of alien attacks? Save the cakes!!

Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.

Star Merc is an open world rpg where player choices heavily affect outcomes and drastically change the storyline. The game is about exploring different planets, learning about the inhabitants and dealing with the different factions that like to think they control the universe.

Odania Sports Arena is a VR sci-fi game that allows players to enjoy hitting targets coming from outer space. In different kinds of games you can hit the targets from outer space.

Can you become the best "Space Jumper" in the universe? Jump out of a spaceship into a warp tunnel. Feel the thrill of the high speed. Evade obstacles and collect pickups on your way. Full VR experience Unique music

Jetboy is a retro supercharged jetpacking pixel shooter with a pumping metal soundtrack.

Do you miss the times when games were not holding your hand? When they did not forgive mistakes and controls and rules were clear and simple to learn? YES? So you miss the 90s!

Mech Mastery is an exciting new game that combines tower defense strategy with epic robot battles against alien invaders

Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

Play as a space ranger, who has been tasked to defeat the evil Techno Dragons, who have inhabited an old planet in the hopes that they can get to controlling the world! Stop them, Ranger, before the dragon's plan comes to completion!

Space Out blends elements from Breakout, pinball, and a space shooter to provide a unique, fast-paced, and challenging arcade experience.

Beam Cat is a challenging platformer game where you charge a laser cannon to propel yourself or to slay your enemies. Climb to the top of the map to escape with your rescued brethren.

Retro arcade classic, Defeat a million invaders from another dimension in this side scrolling shoot'em up.

Enjoy fast paced action in this retro inspired arcade ShootEm Up Style game

When a black hole generates enough strength to destroy the entire universe, it's called Collapsion. It's up to you to defend the universe for as long as possible to stop Collapsion from happening in this Arcade Shooter!

Shoot, Dash and Jetpack for your life to escape the Guardian of the Abyss while taking the Orb of Knowledge with you in this mix of casual and arcade gameplay!

Yupi, the alien, embarks on the mission to save the Earth, helping humans and armed with his power boots, he must overcome the levels avoiding or using enemies to make his way.

Gaia Project is the digital adaptation of the boardgame Gaia Project created by Helge Ostertag and Jens Drögemüller and published by "Feuerland Verlag". It is a 1-4 player strategy game. It plays in the same universe as Terra Mystica and continues the adventure in the far future.

Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

Defend against the alien invasion and take down the mother ship! Utilise branching upgrade trees, unlock new ships, and equip permanent upgrades to create your own unique build and defeat the growing hordes of invaders in this sci-fi action roguelike!

Fight space pirates with Rapunzel, the Android with the best hair in the world! To protect the precious shelter where the Jimo race lives, the cute alien Rose and Android Rapunzel must go up to the ground floor.

Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!

Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

Embark on an interstellar journey like no other – a captivating 2D game that blends retro charm with modern excitement. Join the fearless astronaut, Apollo Starlight, as he explores the mysterious lunar landscapes, encountering enigmatic aliens, and completing thrilling objectives.

Space Colonizers is a simulation and strategy idle game of Sci-Fi adventure theme. To explore more planets and meet cute aliens, you have to constantly install parts and upgrade spacecraft.

Solitarius is a 2D top-down wave shooter set in a sci-fi space environment. It is a free minigame that contains six different levels, eight different enemies and nine different weapons. Instead of surviving as long as possible you have to make it through each level.

Simple remake of Space Invaders adding destructions and physics

Immerse yourself in a stunning sci-fi visual novel. In a fractured Federation on the brink, Captain Zara Kincaid is caught between political schemes and an enigmatic alien force. Your choices determine her path and the fate of worlds.

Solve challenging nonograms! The citizens of Gizmo Land find themselves in great danger after an attempt to celebrate Halloween goes very wrong.

You are isolated on a small meteor and need to build a fire to escape before being destroyed by aliens. Use your limited space to create machines and obtain more and more resources. Enjoy this mix of puzzles, tower defense and incremental gameplay.

With its vibrant visuals, addictive gameplay, and dynamic progression system, Revolocity offers an exhilarating experience that will keep you coming back for more. How long can you endure the chaos of space?

Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.