Top similar games like Phobos Down:

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.

Pilot through relentless waves of hostile forces in this fast-paced space-themed, bullet hell, survival shooter. Build your own UFO in the Ship Creator, Survive through a 100-wave campaign, or test your limits in Endless Mode. How long can you survive?

A neon bullet-hell where the swarm is alive. Outlast escalating waves with pure movement — no cover, nowhere to hide. Just geometry, reflexes, and the void between enemies.

A skill-driven space shooter where the only goal is a better run.

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

Repel extraterrestrial entities!

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.

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!

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!

A vertical space shooter about a combat pilot who must break through an enemy armada and warn their homeworld. Maneuver through hostile fire, battle commanders and bosses, upgrade your ship, and assemble powerful equipment synergies.

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.

A fast-paced mech arena shooter mixing arcade intensity with skill-based unlocks. Unleash powerful ultimate forms, mix and match skills to define your playstyle, and master each unique combat machine to unlock their signature abilities.

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.

A broke bounty hunter. A sarcastic robot. 1,000,000 credit debt. Star Scrap is a chaotic twin stick space roguelite. Blast through increasingly difficult waves of enemies to pay it off.

AREA WARS™ is a fast-paced 2D omnidirectional shooter where you battle enemies from every direction in a constantly changing enclosed area. Defeated enemies trigger chain explosions that engulf nearby foes and boost your score multiplier. Built for short, repeatable runs with score-focused gameplay.

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!

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.

Isometric bullet hell sci-fi shooter in a futuristic atmosphere

You are a circle in a sharp world. Fight jagged enemies in a neon twin-stick bullet-hell roguelite, build devastating ability combos, and grow from fragile to unstoppable through shifting neon labyrinths.

80 waves. 8 bosses. 17 logs that will make you question everything you've been defending. Locus Protocol is a twin-stick bullet heaven with an adaptive AI Director and a horror story hidden inside a cozy geometric shell.

Ragtag Fleet is a fast-paced pixel-destruction survival roguelite. Tear apart enemy ships, expose their Cores, and turn the spoils into weapons, drones, and modules. Build a makeshift fleet into overwhelming firepower.

Turn movement into firepower in a nine-minute action roguelite. Begin with one cannon, evolve it into a screen-filling weapon system, break hostile fleets, and face the enemy waiting at the end of the universe.

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!

Inspired by the cult classic Mine Storm, Storm Mined modernizes arcade space shooting with rogue-lite upgrades and rhythm-based stages.

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?

Code of Shadows is a fast-paced roguelite where you don't just deploy drones, you command them. Switch modes mid-fight, fuse drones into stronger ones, and cut through rift-spawned hordes across collapsing dimensions.

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.

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 to survive the chaos.

Pilot a momentum-driven ship through the cooled remains of dead star systems. Master a growing arsenal, take on 10+ unique epic bosses, and tackle four sectors your way. The world is seed-generated. Enjoy 4 difficulty levels, NG+, and a rewarding skill / unlock system.

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. *

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.

Survive increasingly difficult rounds in a floating arena. Use weapons and powerful abilities to knock enemies into the void before they launch you off the edge, build your loadout during each run, and beat your highest score.

Heliocide is a relentless top-down scrolling action! Arm your shields, lasers, guns, bombs and missiles to defend the solar system from a massive invasion!

A 2D vertical shoot 'em up that lets you upgrade your ship with an insane amount of options. From missiles and pods to specials and shields, you can upgrade every bit of your ship from guns to thrusters.