Top similar games like Alpha Star:

DIASPORE is a vector-style space survival roguelite with inertia-based ship handling, a toroidal arena, auto-firing weapons, and a hostile ecosystem that grows more dangerous the longer you stay.

Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

This roguelike spaceshooter pits waves of enemies against you in your pursuit to reach the end of the galaxy. Improve your ship with permanent upgrades and select temporary upgrades during a run to pursue achievements and and kill bosses.

INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again!

Soar through the sky islands of Alioth and defeat any foe standing in your way using your piloting skills, unique abilities and powerful weapons. Airhounds is an aerial dogfighting rogue-like focused on fast-paced action!

Metal Head Warfare is one of the best fast-paced shooting games in 4K and 120 FPS, modern and with wonderful graphics, where players collect super powers and become increasingly powerful to defeat chaos and evil in a world on the brink of the abyss.

Chaotic boss-rush, bullet-hell-y, twin-stick arena shooter mayhem! Dynamically changing arena forces you to be vigilant: Watch the bullets, watch the walls!

Starfighter Hero is a bullet heaven rogue-lite where you pilot and upgrade your starship. Unleash experimental weapons, amass escalating power, and steer your ship expertly to survive relentless swarms.

Impact Trial: First Encounter is a exciting mix of bullet hell and narrative adventure in a retro sci-fi world. Face waves of enemies, make story-affecting decisions, challenge yourself with various difficulty levels... and more secrets. ¡Your story, Your choices!

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

Repel extraterrestrial entities!

AsTroops is a roguelike card-based space combat game. Build your fleet, choose cards with machine gun, rocket, and electric weapons, and fight real-time battles to break the alien blockade.

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

Stranded in Starlight is a top-down roguelite where you pilot a spaceship armed with a variety of unique weapons and utilities. Battle relentless enemy hordes and powerful bosses as you upgrade your ship, adapting to each challenge in an ever-changing fight for survival.

Can you survive the Empire's onslaught? Avoid the attacking enemies and upgrade your ship to last long enough to escape in this space survivorslike.

Survive in space by dodging strange obstacles in an ever-changing gauntlet and reach the end to defeat entropy. Fly with limited resources, get stronger with upgrades and make the right decisions in this action arena rogue-lite. Warning: there is only 1 way to live but 42 ways to die in space...

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

Frenetic 2D action in the style of Space Invaders! Customize your spaceship, face hordes of enemies, and challenge yourself in multiple modes, including Campaign, Arcade, Invasion, and Survival. Upgrade your ship, collect power-ups, and face unique challenges in every battle.

Defend the human colony on the planet Phoebe in the Eridani star system against a mysterious alien species. Utilize one of four fighter jets, each with unique abilities and attributes.

Blast-off is a hardcore jumper/runner/shmup, where your alter ego will be a ball of anti-matter seeking to leave our Universe. Anti-matter is extremely difficult to exist in our universe, because when it contact with matter it annihilates.

Super Cyber Wave is a fast-paced 3D bullet hell where you pilot unlockable characters with unique attack patterns, dodge bullet waves, collect ring-shaped keys, grab power-ups, and survive boss fights across four lethal biomes. Ride the rhythm of an immersive soundtrack.

The Rush is a horizontally scrolling shoot 'em up with graphics inspired by classic space shooters of the MSX. Buckle up and see if you have what it takes to master the highly adaptive Chameleon Quartz space fighter and single-handedly obliterate the alien invaders!

Fullfill your ultimate power fantasy and defeat endless waves of enemies in this challenging sci-fi bullet-hell roguelite. Unlock unique classes and upgrades to create powerful builds as you weave your way through enemies, arena hazards and projectile assaults.

A top-down action game like no other. Use asteroids to block enemy bullets and smash enemy ships in this physics-based test of skill. Conquer 25 levels, vanquish 5 bosses, and maneuver through 5 tricky bonus waves.

SURVIVE the swarm in this rogue-lite + survivors + asteroids mashup! Exterminate as many alien drones as you can. Upgrade your ship from the crafted deck of equipment and power-ups. You are the Last ship against the Endless... Will your choices be enough to overcome the thousands hunting you?

Classic vertical scrolling bullet hell × roguelike. 10 distinct aircraft with unique weapon systems, 10 sub-units, and dozens of cosmic powers. Weave through enemy fire and craft the perfect god-run build.

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.

You have been created by a mysterious monolith with a single goal: to retrieve five force crystals back to it as quickly as possible. Deal with the plights of space physics, evade the locals, and complete your mission as soon as possible.

Control the ball with gravity and smash through endless hordes! Collect weapons and skills, power up to the max, and survive the onslaught!

Use the force of gravity in this fast-paced space shooter with realistic physics and orbital mechanics.

The Nullblade Collection is a group of all the small, polished games made by Nullblade that were too small to be published by themselves.

Launch squirrels into the atmosphere and explore the clouds. Dodge and shoot down obstacles – upgrade your vehicle to make it further and further until you get to the moon!

Pilot a lone ship through a collapsing orbital station in a modern 2.5D shoot ’em up. Block bullets with a 360° directional shield, destroy grotesque wreck-born enemies, defeat colossal bosses, and build new upgrade paths with every run — a love letter to classic shoot ’em ups.

Cosmic Paradox: Noire is a 2D top-down shoot ‘em up adventure set in a world of two overlapping dimensions. Witness the battle between the Vex Accord and the Oronix Empire, increase your odds of survival with the right upgrades and choose a ship that is best suited to your playstyle.

Shoot, smash and explode your enemies in this space shooter inspired by the golden age of arcade games.

Star Knight: Order of the Vortex is a rogue-lite, bullet-hell, shoot-em-up with the ability to create unique builds and synergies as you test your skills in action-packed gameplay. Choose your crew, upgrade your ship, and explore the unknown depths of the Vortex.