Top similar games like Orion Defense:
Orion Defense $3.99
Orion Defense is a space-themed shooting game with a tower defense element. You will build turrets or manually control turrets to repel incoming enemy attacks in a space fortress. You will also pilot fighters to stop enemy fleeing and capture enemy commanders in the asteroid belt.
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Pi Fu Fighter$2.99
This is a game created by me. Players will operate multiple fighter planes to form a fighter formation to deal with endless and uniform enemies. Of course, players can synthesize stronger fighters by picking up fighter cards or use different attribute cards to strengthen their fighters.
Space Bees 太空蜜蜂$1.99
RougeLite + Aircraft Shooter, a thrill-based game, kill the incoming enemies, upgrade your fighters and continue to face the tidal wave of enemies.
Hypergate$11.99
Hypergate is an arcade-style space combat game. It is focused on fast-paced combat rather than resources, realistic flight, or grinding. It features a 2-hour campaign, LAN or single-player Instant Action for customizing your own battles, 30 upgrades to buy using in-game points, and 3 ships to fly.
Thrust & Shoot : Flight School$9.99
Master a new way to fly and fight. Control every movement and engine burn. Simple controls, realistic flight: a game for space fans by a space fan.
Starjet Fights$7.99
Starjet 3D Space War Shoot 'em up
Redout: Space Assault$9.99
Redout: Space Assault is arcade space battle, coupling the trademark Redout adrenaline with the thrill of combat. Outsmart, outmaneuver, overpower, outclass your opponents in lightning-fast, adrenaline-inducing single-player space combat.
Stick to the end$0.99
This is a well-optimized vertical plane shooting game. In this game you can use a wealth of weapons to attack enemy planes and bosses.
Void Destroyer 2$9.99
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Kind Heart Defenders$3.99
Kind Heart Defenders is an experience that brings the best of Space Shooter with the best of Tower Defense. Have fun building towers, trying different ships, laughing at the characters' jokes, and battling through intergalactic scenarios and gigantic bosses.
Starfighter Renegade$2.99
Fly into battle across multiple bite-size levels of exciting 3D aerial combat! Do you focus on taking out the alien fighters? Or rescue the stranded inhabitants before they're abducted? What about the deadly terraforming virus sweeping the surface below?
GALAXY CRISIS$19.99
In 2070 AD, the galaxy was invaded by alien civilization, and humans must fight desperately!
Galactic Command Echo Squad SE$9.99
Galactic Command Echo Squad SE is a high-end and very challenging space/planetary combat game. It offers a thrilling campaign, instant action combat sessions as well as a sandbox mode allowing you to explore the game's universe while battling hostile Insurgent forces among others.
Villager comes alive$4.99
building up you own village and defend it
THE STARFIGHTER$9.99
A big, immersive, realistic, Full HD and real-time 3D combat flight arcade game. You are a space alien and fly two-seater Griffin Starfighter. You must wipe out evil King Nimrod's buildings, spaceships, rocket launcher equipped armored buggies, drones, etc. and restore peace to the universe.
Space Defense Grid$5.99
Multiple levels, multiple weapons and enemies have their own characteristics, waiting for players to challenge.
Universal Combat CE$9.99
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.
Mud River$5.99
Mud River is a horizontal 2D Shoot‘em Up game. The Rio Doce (Sweet River) was a paradise for mankind and animals, but now it has become a territory destroyed by the unscrupulous activities of Dr. Wellin. This is Pacal's first destination, ascending the Rio Doce preventing its complete destruction.
ROCPAIN: Rock Paper Scissors$2.99
A paper airplane fights against Rock, Paper and Scissors. The ROCPAIN gameplay is inspired on the rock-paper-scissors hand game, and like the original hand game, each enemy only its destroyed with the right shot. A new way to play shooting games that will challenge your skills.
Lawnmower Game: Space Fight$0.99
Epic Lawnmower game series continue now at space. Now you control super powered lawnmower space ship and fight against enemies at different space levels.
Time ClickersFREE
Time Clickers is what's called an 'incremental game'. There's always a fun upgrade to look forward to, and the numbers keep getting bigger! Hire a team to fight for you, even when you're offline!
The Fourth Anno$2.99
Build your team, collect equipment, potions, gems, choose upgrade rewards, and withstand wave after wave of enemy attacks.
童话塔防 Fairy Tale Tower Defense$3.99
Fairy Tale Tower Defense is a 3D cartoon style tower defense game
霓幻云端 NeonHClouds$1.99
In this shooting game, the gorgeous effects and easy-to-use gameplay allow for a thrilling and exciting experience in every battle.
TD3D$2.99
In Tower Defense 3D, the enemy may walk on the wall, and you can also build the tower on the wall, so you have to consider No longer just a plane, but the entire space.
In Marte - The First Moon$2.99
In the game on Mars, Dom wakes up in a ship without knowing very well where he is, nor why he is there, much less where his body ended up. Help Dom find answers and have fun in this mind-blowing adventure.
Abda Redeemer: Space alien invasion$9.99
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.
GUNNER$1.99
Help the gunner destroy the enemy castle. By placing the right platforms in the right place, you can direct the cannonball to the desired position. Just set the cannon and fire!
Dead Ground$4.99
Tower defense reimagined! Dead Ground is a procedurally generated tower defense game with rogue-like elements. Each playthrough will offer randomly generated guns, skills and augments. You'll have to travel, collect scrap, water, manage your inventory and upgrade your base to survive!
Astronaut Assault$9.99
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.
SpaceShips$0.99
A tense exciting space battleship shooting game. with developer strange voice. to collect space ships whilch you like.
Conspiracy TD$4.99
Tower Defense game - where you build units to destroy incoming waves of monsters or....not succeed trying :)
Alien Wall$3.99
Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!
Tower Defender VR: Last Adventure$19.99
Tower Defender is a strategy TD game with roguelike gameplay. Brave knight, draw the sword to defeat the dragon boss, and restore world peace!
EnterVR$9.99
Entervr is a cartoon style bow and crossbow tower anti shooting VR game.It is an award-winning work in Qualcomm XR competition.
Under The Stars$2.99
A space theme of a small casual shooting game. There are two perspectives, the character and the ship. The player can control the character/ship, dodge or shoot enemies, and replenish energy and various items consumed by collecting. Collect discarded parts and items to enhance character abilities.
Maze Shooter$2.17
Maze Shooter is a smart challenge, a maze adventure VR game that can be freely combined through maze gameplay. Before playing, SteamVR needs to be set to OpenXR.
Pixel Defender$7.99
Pixel Defender is a 2D tower defense game with retro pixel aesthetics and direct character control.
Black Hole Void$0.99
In Black Hole Void, you can expect the unique experience of mastering the power of a black hole by devouring cities and challenging yourself in various game modes while competing for the top spot on the leaderboard.
Replicators Defence$0.99
Small game in Tower Defence genre with elements of shooter. Kill Replicators all by yourself or make perfect defence with different turrets.
Sporadic SpireFREE
Defeat hordes of enemies in this aesthetic tower defense game. The random terrain generation provides a beautiful environment and a unique experience every time you play.
Starlight X-2: Space Sudoku$6.99
Starlight X-2 is a space-themed puzzle game. Position stars and asteroids in clever ways to illuminate planets.
Starship Destroyer$0.99
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!
StellarDefender$1.99
Search for the scattered items within the planet to prevent a planetary collision.Let's search for supplies scattered across the planet, build a foundation, and launch a compressed-power missile to eliminate other planets that threaten the Delta planet.
迫降Landing$4.99
Our ship has suffered an unknown disaster and has been forced to dock on the side of this planet, and all you have to do is lead us to repair the ship and continue its voyage, however, the danger is getting closer and closer without our knowledge......
Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...
Mind Spheres$4.99
Inspired by two not so different worlds, Mind Spheres brings you an exclusive and awesome experience. A physics puzzle with minigolf + pinball unique mashup. Figure out puzzles in order to proceed to the next level.
Deep Sea Hunter$4.99
A game similar to flying aircraft, where players navigate submarines in the vast depths ocean, engaging in thrilling fishing expeditions and mysterious deep-sea explorations through meticulous strategy and flexible mouse control. Unparalleled in its exhilaration, come play for the ultimate rush!
Ray Attack$1.99
The game is divided into 3 kinds of tanks and 3 kinds of aircraft, can choose freely. There are 4 main games in the game can be experienced, respectively, task mode, OVP mode, PVP mode, PVO mode.
Invaders from the Third Dimension$0.99
A retro space shooter with a twist - now you can rotate your ship and aim diagonally at enemies, adding a whole new dimension to the shoot 'em up genre.
NobleEscape$1.99
NobleEscape is the ultimate story based, puzzle, escape room game out there. You start the game with one end goal; Escape the room to save your life! Not only will you need to escape the room, but you need to avoid multiple obstacles along the way.
Infinite Waves TD$8.99
How many waves of enemies can you repel? Build and upgrade towers, sharpen your swords and arrows, prepare spells and fight off all the enemies, by yourself in single-player or with friends in co-op mode!