Top similar games like Battle For The Sun:
Battle For The Sun $4.99
Battle for the Sun is an action-packed, first-person shooter documenting the realities of war seen through the eyes of a special forces soldier in a world under alien attack. We find ourselves abruptly thrown into an adventure as a talented soldier carrying out his duty in this epic war.
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Freaking Meatbags$9.99
Land on a planet, pick up some rocks, leave before the solar system explodes. Oh, and don't die in the nightly robot attacks! Freaking Meatbags is a humorous real-time strategy game that's all about building a base, mixing meatbag DNA, then convincing those dolts to help you gather resources.

Cosmic Trip$19.99
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.

EARTH'S DAWN$3.99
Earth’s Dawn is looming and the fate of the planet hangs in the balance! Dive into frantic side-scrolling combat and take the fight to the alien horde before destroying hulking bosses!

Survive in Space$13.99
The game is spread over 50 different levels, and Sasaki must fight through them all to redeem his people. The game features five powerful bosses that you will encounter at the end of each sector – every nine levels. Each boss is a skill puzzle of his own, with shifting mechanics and environments that will keep you on your toes.

SurvHive$14.99
Inspired by "The Thing", SurvHive is an asymmetric sci-fi horror multiplayer FPS in which the only one you can trust is yourself, as alien shape-shifters lie in wait. Will humans be able to eradicate the alien menace? Will the infection spread instead? Welcome to their Hive...

From Space$14.99
From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!

Anomaly Defenders$9.99
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.

Endless SkyFREE
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

WOLFLAME$5.99
Brought to you by the makers of GIGANTIC ARMY, Supercharged Robot VULKAISER, and SATAZIUS, WOLFLAME is a return to the form of glorious 2D vertical vertical shooters like Raiden, Raptor, and Twin Cobra.

Prime Directive$9.99
Prime Directive is a first person 3D action-adventure shooter in which players control Marty, a small but brave robot. Marty acquires unique abilities to fight enemies and solve puzzles while exploring a mysterious alien world.

CYGNI: All Guns Blazing$29.99
An unrelenting onslaught of eye-popping visuals, ear bursting soundscapes and mind-melting action makes CYGNI the vanguard for the next generation of shoot-em ups. Outgunned, outmanned and out on your own, plunge into a sky full of hell in a last-ditch battle for survival.

Alien Shooter 2 Conscription$9.99
The Great War has begun! The world population capable of functioning is mobilized to serve in the army and the outcome depends on you!

U.F.O. K.O. Tower Defense$1.99
U.F.O. K.O. Tower Defense: Place lasers, missile launchers, sniper turrets, and use combat strategies such as airstrikes and the space ray to repel waves of alien invaders in this sci-fi tower defense game.

The Siege of Brimir$11.99
Play as an alien with super powers in frenetic battles against the army, destroy buildings, smash, fly and improve your character in order to annihilate humanity. They will try to stop you with their soldiers, F15, Giant mechas, warships or tanks but it is going to be useless against your power.

Protocol$8.99
By signing below, you agree to follow the Protocol. Protocol is a program of strict rules created to make first contact with an alien life form that got shot down in the Arctic Circle.

Battlevoid: Sector Siege$9.99
Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.

Incursion: Reforged$4.99
Incursion is an indie FPS that aims for a unique wave survival experience with class-based combat for both co-op and singleplayer. Fight alongside strangers or friends and take advantage of unique weapon combinations, perks, and classes to win in this solo-developed indie title.

GINSHA$15.99
GINSHA is a unique atmospheric pixelart Action Adventure Platformer with special Gravity Shield and Dash Mechanics. It combines a versatile Platformer core with RPG, Souls and Crafting Elements to an Anomaly among Metroidvania games.

Alien Hallway 2$4.99
We're happy to present a new game in the Alien Shooter universe! Get prepared to unique tactical gameplay, lots of monster types and 8 fighter types allowing you create your own style of completing missions and defeating bosses.

Waking Mars$9.99
In 2097, life is discovered on Mars. When your mission of first contact becomes trapped by a cave-in, you must master the alien ecosystem to survive. Soon you stumble upon more than anyone expected, and with time running out, you will make a decision that determines the fate of a lost planet.

Close Contact$4.99
Close Contact is a narrative-driven, sci-fi horror game where you must navigate an advanced underground base whilst avoiding the alien creature that stalks you.

Commando Jack$7.99
A Tower Defence game, that actually allows you to sit inside the turret and come face-to-face with the enemies! Addictive strategy - action game, with loads of shooting and explosions! Nearing 2 MILLION DOWNLOADS!

Martin Goes on the Attack$0.99
Martin is an advanced robot controlled from the main computer, you have to take control of a strong and fast robot soldier.

Defender Bros$10.99
Prepare your defenses during the day and survive until dawn. Defender Bros is a Top-Down Tower Defense Roguelike where you play as a Soldier defending your Base. Pick between multiple abilities as you level up to increase you power, then after each run buy perks and get stronger

CHAOTIC ERA$16.99
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.

Colonization of the Moon$0.99
Defend your homeland because of all the forces and do not let the enemy break through Prove that you can survive all the trials and save the moon !

Alien Prop Hunt$0.99
Jump into an exciting new take on a classic concept! Alien Prop Hunt is an action packed team-based game where one team desperately tries to hide in plain sight, while the other relentlessly searches through environments to find them!

Hangry Bunnies From Mars$0.99
Face off against an invading horde of adorable little killers with a serious case of mankind munchies! Join the Critter Death Squad and arm yourself to the teeth with epic transforming weapons that will help you fight to keep New Los Angeles off the dinner menu!

Biolab Wars$4.99
Inspired by the 8-bit games and by the movies from the 80's, your goal is to blow things up, defeat aliens and fight bizarre bosses in this platformer 2D with classic mechanics.

End War RTS$2.99
Inspired by modern science fiction! A modern real-time war game, the screen is in the style of realism, the fast-paced attack effect is easy to fatigue, easy to use and simple to operate, mainly in the traditional style

Burgers 2$2.99
Continue the unfinished fight from WWII. Join the story of Erwin Freud and defeat the alien bad boys again. Ultimately, make sure you eat Burgers this time.

Alien Death Mob$1.99
Aliens have invaded Earth! Towns, cities, deserts, they're everywhere! Take on the role of Earth's last super soldier and confront the alien menace in this intense twin stick shooter!

Gastro Force$6.99
The player takes the role of the last soldier of the highly specialized "Gastro Force", elite troopers trained to infiltrate the enormous alien guts to fight them from the inside!

Warp$9.99
Warp™ is a strategic stealth-action puzzler where gamers play as Zero, a loveable yet lethal, little orange alien with a big score to settle. Abducted by a villainous General from his home world and taken to an underwater research facility, Zero must plan his ultimate escape by relying on his arsenal of special abilities.

Solar Shifter EX$4.99
Warp into action with Solar Shifter EX. Man your ship and dive into fierce combat situations in space and over beautiful and distant planet surfaces. Solar Shifter EX is a sci-fi shoot 'em up with the unique ability to 'shift'.

Deep Space ClassicFREE
An alien force is threatening to destroy the stability of the galaxy! Play as an unknown creature or a Spacefleet Officer in this Online Sci-Fi Horror!

Snake Core$4.99
Are you ready to command a range of different units as they battle aliens in a mission-based take on the classic Snake? Select your path to victory!

Subnautica: Below Zero$29.99
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.

Zibbs - Alien Survival$7.99
Zibbs - Alien Survival is an open world game where you play as an alien trying to survive on the unknown planet - Earth.

Leviathan: the Cargo — Ongoing series$1.99
Following the events of The Last Day of the Decade, a band of smugglers carries a chest through the underground tunnels beneath the city of Kroistham in this action-adventure game rich with captivating dialogues and story, choices that matter and optional dungeons to explore.

Alien Hallway$4.99
Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.

CortexGear: AngryDroids$5.99
CortexGear:AngryDroids is a clasic 3d Sci-Fi shooting sidescroller in which quick tactics and skills need to be in harmony the beat the game. A run-and-gun shooter with both mouse and keyboard. An adventure game with a emotional story and epic game-play.

Alien GroundsFREE
Battle relentless robotic waves in this high-speed sci-fi FPS. Wield devastating alien weapons, dodge enemy fire, and fight for survival across stunning extraterrestrial battlegrounds.

Star Mine$5.58
Star Mine is a 3D first person perspective space shoot 'em up. Awesome old school action! The old federation is dying, poor and desperate. Deep outside the boundaries of known space, alien mines are protected. But not from you. Take cargo, blast star jewel's from asteroids, steal energy and flight.

Marsmare: Alienation$1.99
Marsmare: Alienation is a thrilling adventure of an earthling kidnapped by malevolent aliens. Improve your gear and gain new abilities as you progress through the game. Encounter numerous enemies such as Martians, robotic spiders, space slugs and flying drones.

Osiris: New Dawn$34.99
Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.

Starcom: Nexus$19.99
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.

Black Mesa$19.99
Relive Half-Life.

Cosmic Guardians$2.99
Become a Cosmic Guardian in this thrilling space shooter! Defend Earth from alien threats, battle colossal bosses, and save the universe. Play solo with A.I. or team up in co-op mode. Level up, unlock abilities, and collect power-ups for an epic adventure!

Deserted$19.99
Deserted is a stylized 3D action adventure with light RPG and narrative elements. Inspired by the alien atmosphere of Out Of This World, Deserted combines narrative storytelling with survival and fast paced strategic combat to deliver a thrilling adventure.

CityWarHeroes VRFREE
In 2050, alien spaceships suddenly approach peaceful earth. The spacecraft lands in Incheon, South Korea, making the area a shambles. You'll have to fight against aliens as armed special forces, armed with armor and weapons packed with the most advanced technologies of the future. But what if the aliens are cute?