Top similar games like Phobos Down:

High-speed shmup where survival meets rhythm. Evade waves of enemies to pounding drum and bass soundtrack. Compete globally or battle friends in co-op/PvP. Customize your ship, perfect your run, and claim your spot on the leaderboards.

Starwave Defender is an intense twin-stick shooter based around wave survival. Dodge swarms of enemies while exploring procedurally generated levels and collecting resources to upgrade your ship. You have a limited number of ships; make your time count, Defender.

You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

Survive in the deep void of the galaxy against thousands of invaders! Nebula is a challenging bullet hell, twin stick shooter where you have to face endless waves of space enemies. Additional map resources and space drones can provide you a support but be wary, they can as well become a deadly trap.

Repel extraterrestrial entities!

Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.

Be THE Cowboy in this top down shooter that allows you to upgrade your health, dash speed, and sword strength, as well as 19 weapons, with the souls you collect from your slain enemies!

Escape corruption and deliver truth to the people in the only way you know how. as a space fighter pilot! You steal a ship and flee, it falls to you to duke it out in space and deliver truth to the people. Restore peace. Restore justice. Save humanity and Escape The Kreegan!

Dive into a 2D action game where you control a spaceship, defeat enemies and overcome deadly traps. Extend your arsenal by collecting new weapons and technologies for your ship that you will need to conquer four different dungeon-like worlds, all connected by an open space full of surprises.

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.

In this 2D twin-stick shooter you fly your spaceship, fight in epic space battles, discover new planets, invade new terrain, avoid traps, dodge bullets, customize your weapons and shoot your way through hordes of enemies. A different experience every time you play.

Fast-paced arcade-style mayhem. Play a Reinforced Machine and equip it with a weapon of your choice. Transform to a bigger and more powerful mech, granting you control of a legendary weapon to deliver destruction to your enemies. Improve your skills and study your enemies' weaknesses to win!

Cosmic Tank is a modern take on the classic game Asteroids. Mine your way to riches! Fight off hostile threats! Upgrade your ship and rent a few helpful drones! Survive epic boss fights!

Gung Beetle is a twin-stick action roguelike where you play as Rollo, a dung beetle just trying to protect his ball by covering it in as much firepower as possible, swap and upgrade the parts in your guns to create insane and devastating combos, and decimate the ant menace.

Enter the cockpit of your spaceship and prevent the destruction of our homeland! You and your friends have to dodge various attacks and fight many enemies. But your Twitch chat can support you in your defense and your subscribers can even accompany you as wingmen!

Isometric bullet hell sci-fi shooter in a futuristic atmosphere

A fleet to defeat, a weapon to collect, and one life to decide everything in the roguelike shooter No Space For All. Let the universe know your second name!

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.

Minestorm reimagined with modern gameplay! Blast through waves of deadly mines, gear up with powerful upgrades between levels, and dive into intense rhythm-based stages set to an original soundtrack !

Gunmancer is a science fantasy roguelike top-down shooter. Summon guns as you shoot your way through mysterious randomly generated dungeons full of ancient forbidden magic of guns and dangerous monsters.

Play solo or with your friends in this fast-paced space shooter. Pilot multiple ships at the same time while taking on waves of enemies, finding power-ups, and gaining additional episodes along the way. Who will make it to the top of the leaderboard?

Spinwave Survivors is a fast-paced survival shooter with roguelike elements. Scoot, shoot and boost your way through hordes of drones as you upgrade your weapons and unlock new abilities, all while attempting the survive the chaos.

AIRANBLADE is a 3D vertical progression action game, like the classic shoot 'em up games. Fight against squadrons of enemy aircrafts and gigantic bosses. Enjoy beautiful special effects and lots of explosions and lasers coming from every corner.

Enter the neon world of OVERWHELMED! Fight waves of enemies, using shooting and dashing skills to evade fire. Trigger your special Overdrive ability to defeat enemies more easily. Unlock characters, each with unique abilities and varied arsenal, to discover new gameplay styles.

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.

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

Super Hamster Havoc is a fast-paced, multiplayer twin-stick shooter where hamsters and rats go head-to-head in an all-out war!

Echoes of Elpis is a twin-stick shooter sci-fi roguelite. Upgrade weapons, discover new tech, and uncover a secret past as you battle through Elpis on an epic treasure hunt.

Tankmageddon is a fast-paced roguelike tank game where you play as Ed, a pilot and mechanic on an Earth facing invasion. A ruthless A.I. has built a tank factory on the Moon and plans to wipe out humanity. Face hordes of enemy machines and use their parts to defeat them.

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

Gratuitous Shooty Game is a hobby space shooter made by the developer of Gratuitous Space Battles, reusing the art from that game :D.

In Deadline: Aphelion, you play as a mercenary tasked with defending the research facility from the hordes of alien spiders that have been drawn to it. 

Fast paced bullet hell roguelike. Upgrade your weapons and abilities as you collect attribute blocks. Highly customisable with lots of combinations. Fight bosses, pick up items and improve your stats. Unlock new items and achievements for the next run through the ever-changing dungeon.

Enter the galactic battlefield in this intense bullet-hell shoot-em-up! Dodge endless waves of bullets, unlock devastating powers and ships, and climb the global ranks in this addictive modern retro arcade experience.