Top similar games like Ultra Mega Planet Battles:

Friday Night Bullet Arena is a top-down multiplayer shoot-a-thon with a twist: each player only gets one bullet! You can catch your own bullet to fire again, but catching other bullets is... not recommended.

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

Lost Colony Action packed Twin-Stick-Shooter where you explore an abandoned space colony. Guided with your trusted companion Drone, you will fight off swarms of aliens, corrupted security drones and maybe find out what became of the colonizers.

Shoot from affar or get nibble away up-close and personal in a boss-rush, bullet-dodging revival of the 1982 Atari classic title, Yars' Revenge. Take on 60 unique enemy encounters alone or with a friend in local co-op.

Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.

Gather a squad and fight for survival in We're All Going To Die. Work together with a squad using abilities, equipment and exploring different levels to make the most of your fight against your demise, after all, you're all going to die at some point.

Tanks Etc. is a modern reimagining of co-op overhead arcade classics; it offers classic gameplay while adding in depths of strategy to keep players reinventing strategies for waging war with their friends.

Back with new weapons, new enemies, and with more circuits to break than ever! Destroy millions of robots in this free-to-play shooter with up to 6 players.

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.

Twin Stick Shooter Multiplayer Action Game set in small planets that can be terraformed as you play! in which not only your shoots, but also the enemies and planet environment are your weapon!

Top-Down, Multiplayer shooter with PVP and PVE. Arenas filled with weapons to arm yourself with, creatures to shoot and stomp, hiding spots to crouch in and ambush from, and open spaces to dash around in. Carnage is a mayhem of blood, butts, and guts!

Turbo Shot combines a puzzle-filled top-down adventure with exciting gun-based combat that plays out in regular seasons of free-to-play single player and PvP content.

Dark Matter is a retro 2D shoot ‘em up inspired by the 1980’s arcade classic, Asteroids. The action will get frantic as you battle waves of enemy alien ships and deadly asteroids. When ready, take the space carnage to Challenge Mode and rack up your score!

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.

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!

SCHAR: Blue Shield Alliance is a cooperative twin-stick shooter that features a variety of complementing ship classes to choose from. Upgrade your ships, defeat hundreds of enemies, save the galaxy all with some friends from the comfort of your couch.

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!

Retro-inspired arcade-style shooter. Save humanity from incoming waves of flaming hot meteors, alien ships hell-bent on destroying humanity, and the strangeness of space by shooting, blasting and nuking incoming waves of meteors and enemies.

Shoot Shoot Mega Pack is a minimalist party game/2D shooter for up to four players. You can choose a preset game, create your own rulesets, or let the game do it for you. However you decided to play, just make sure you do it with friends!

Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.

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.

Tear across the desert, obliterating wave after wave with speed and precision. A tight, punchy arcade shooter with ludicrous weaponry, exhilarating combat, and daily leaderboards

AGIS - A Game In Space is a top-down twin-stick-shooter.

Fraypace is a local multiplayer top-down space arena shooter for up to 8 players. Choose your fighter, select your weapon, and enjoy the fast-paced and physics-based action with friends or AIs in fully destructible maps.

Action packed top down shooter full of bullets, blood and explosions. Collect and manage your guns to exterminate jungle zombies, swarming bugs, heavy robots, slimy monsters and even space ghosts.

Void Prison is a fast paced, endless arcade twin stick shooter that puts you inside of an ever shrinking ring. Survive by fighting emerging enemies around you and don't get consumed by the void. Complete achievements to unlock new skins and powerups and get on top of the leaderboards!

KosmoSquad is a twin-stick arena shooter where you survive as long as you can against an ever-increasing hoard of enemies. Fight alone or with up to three friends and collect star multipliers to maximize your high score. Use your score points to purchase upgrades for your ship and try again!

Choose your ship and command it against an army pitted against you in this wave-based arcade-style bullet hell space shooter. Fight for as long as you can with powerups acquired through the catalog, and blast through everything in your path.

Fly through space and annihilate everything in your way to survive.

Repel extraterrestrial entities!

The sequel to Toaplan’s shoot ‘em up masterpiece Truxton is a thrilling insane space action with an unforgiving difficulty level. Enjoy the visually stunning pixel graphics and vibrant music as you dodge the high-speed bullet rain and take on tough bosses.

Protecting Us From Incredibly Worrisome Extremely Hostile Oddities...is what you will be doing with your football! Defend the Earth from the invading disciples of the Deranged Octopus, and learn the ultimate secret of the Universe.

Devileader, a fearsome space demon who once have destroyed countless planets of the solar system is about to be resurrected by his minions and fanatics, who want to bring chaos to the universe. Pilot the agile space interceptor Deviship and survive the terror of this demon lord.

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!

In Space We Brawl is a frantic couch twin-stick shooter. Get ready for the excitement of pure local multiplayer matches for up to 4 players, including teams. Choose from more than 150 combinations of weapons and ships and conquer maps full of obstacles such as asteroids and black holes!

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. *