Top similar games like Space Defender:

A space action-adventure unlike any other: navigate your spacecraft through a galactic-scale mystery. Make sure to loot, craft and upgrade your space fleet. Play the story campaign or test your skills in vicious arena modes against AI opponents.

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

Take control of Nara on a quest to destroy the dark cult that created her. Unlock devastating weapons & mind-bending abilities in an evolution of the space-combat shooter. Along with Forsaken, her sentient starfighter, explore ancient temples, engage in zero-g combat & venture beyond waking reality.

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

A game about exploring space in search of hospitable planets for colonization. Casual gameplay and short rounds make it a great option for killing a few minutes.

Enter the chaotic world of Exo Helljumper: Descent X, filled with mutated foes and lurking dangers. Combine items and strategy to conquer relentless levels. Face unique foes and formidable bosses, test your cunning and skills, and feel the thrill of battle as you push beyond your limits!

Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.

Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.

The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with Day 1 mod support and a planned PvP/co-op multiplayer on the Early Access roadmap. You're going to need a bigger ship.

Sanctum Arcadia is a game where you must fight your way through increasingly dangerous zones filled with enemies, hazards, and mystery. Sanctum Arcadia has a unique but still familiar progression system, challenging and engaging combat, all in a smooth Arcade-like experience.

RE: OZMA is a 2D Hybrid Sandbox game, pursues sandboxes that are more accessible with faster action while keeping the collection and exploration elements of the sandbox. Players become an ‘Alien Creature’ and survive, explore and pioneer in vast space.

A co-op sci-fi featuring scrap, piracy, and your talkative line manager Clara.

Explore space in a hand crafted, physics based universe, with immersive sound and atmosphere. Fight and board ships, collect rare cargo, and upgrade your ship.

You are a pilot, seeking revenge on your deceitful father who threw you into unknown space. Can you find your way back and get revenge? Experience a mix of 2D topdown space adventure and explore planets to discover quests, negotiate trades, mine, hunt and survive in an expanding universe.

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.

Far from Earth, mankind hasn't changed in the centuries since we've reached the stars. Across this wide-open galaxy, you'll find merchants, builders, and explorers. The more adventurous are colonizers, conquerors, and even space pirates. And you, Voyager? What will you be?

For centuries, the mysterious depths of space, full of secrets, have awakened in each of us the desire for exploration. In SPACE SAGA, you can fulfill your dream of becoming a real space explorer and embark on an exciting adventure, laden with peril and enigma.

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.

Dive into the world of Leganda, an open-world RPG where you transform an abandoned floating island into a thriving energy hub. Cultivate crops, raise animals, generate electricity, and uncover the secrets of a mysterious debt. Your adventure begins here!

Sanguinite is a lunar-lander-meets-twin-stick-shooter action game with elements of resource management and exploration. Equip your remote drones and explore the dangerous surface of distant worlds. Bring resources and artifacts back to your ship. Investigate the origin of the aliens you encounter.

Deliver packages... in space! Test your agility by navigating through different galaxies carrying diverse packages and upgrade your ship. Will you become the best courier in the universe?

XenoFeud is an insane top-down twin-stick arcade alien shooter, where you must survive hordes of alien intruders while defending a mysterious object in space.

Timeloop Titans is a fast-paced space arcade shooter where you defend the breathtaking Planet Gaia from relentless alien invasions. Upgrade your ship, conquer challenges, and save humanity in this cosmic battle for survival!

Explore space and race against the clock in this retro styled adventure game.

Deflect bullets and take down invading robot minibosses with just your laser sword, in pursuit of the highest combo!

Dodge, collect, and survive. Every piece of salvage you grab makes your ship deadlier and tougher.

Your ship is caught in a vortex, try to escape while avoiding obstacles. On the way you have a helper orb to assist you.

Survival on Kepler is a race against time. Make the most of the remaining 168 hours or get turned into an unworldly being by the Sphere. Complete quests to help NPCs, explore the diverse landscape, survive wildlife and other players. Uncover Kepler’s mysteries and your mission’s true goal.

Worlds Of The Future is a sci-fi open world, action/adventure game. Explore a fully seamless solar system full of adventures, mysteries and colorful characters. Build your space delivery company, climb the company rankings and become a legend among the worlds!

Landinar: Into the Void is a top-down space-adventure-RPG. You are recruited as a rookie bounty hunter in the oppressive Landinar Empire. On your journey through the quadrant you will meet diverse characters, build your own spaceship and choose your battles.

2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.

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

StarShipdle is an indie game that runs on your monitor while you do other stuff. You’ll be overseeing a spaceship as it explores the universe, managing upgrades, tracking progress, and following the story.

3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.