Top similar games like Ultra Mega Planet Battles:
Ultra Mega Planet Battles $6.99
Ultra Mega Planet Battles (UMPB) is an intense arcade-style, space-based, twin-stick shooter. Players can play by themselves, or with up to 3 friends local co-op or Steam Remote Play (total of 4 players). Select your character, select and modify your ship, then get shooting!
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Scrap Galaxy$7.99
Scrap Galaxy is a local build-and-destroy deathmatch game for up to 4 players. It is a 2D top-down shooter taking place out in space in a galactic junkyard. In this setting, the players are trying to survive by constructing space ships.

Gimme Space Battle$14.99
It’s intergalactic chaos right on your couch. Up to 8 players, a single keyboard, and an arena where your ships face off in an explosive ballet. Here, you don’t pilot: you shoot and hope that’s enough to stay alive. Spoiler: it won’t be enough.

SKIRMISHFREE
Destroy your friends in SKIRMISH! This Local-Multiplayer Top-Down Space Shooter is a blast! Be the last ship in one piece to be victorious!

Assault Android Cactus+$19.99
Assault Android Cactus is an intense arcade style twin stick shooter - pick from one of nine unique synthetic heroines and blast your way through overwhelming robots hordes to save the ship from its own workforce. Supports single player and local co-op game modes.

B.O.T.S. and the Robofriends$9.99
B.O.T.S. and the Robofriends is a sci-fi top-down shooter rouge-lite with multiple games modes. Play alone or with friends in 4-player co-op choosing from 4 unique robot characters with different attributes and attacks. Defend your home, rescue the Robofriends, and find MOTHER!

Last Encounter$14.99
Last Encounter is a twin-stick action roguelite in deep space following a group of heroes trying to prevent the unavoidable by cloning their ships and designing their weapons with swappable components.

OREFREE
ORE is a couch-cooperative twin stick shooter where you and up to three friends must fight through a handful of levels and navigate the planet's varied, alien surface to collect as much ORE as possible before the planet implodes. Defeat the planet’s corrupted Core Wurm, save the planet, and get rich before time runs out!

Stardust Galaxy Warriors: Stellar Climax$9.99
Stardust Galaxy Warriors: Stellar Climax is a fast-paced couch co-op action shooter with SHMUP/Brawler gameplay and RPG elements. Choose your mechs, weapons & upgrades then soar through space, defeat evil & save the future... from itself!

Cosmic Tank$4.99
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!

D-Corp$19.99
D-Corp is a couch multiplayer game for up to 4 players. Co-operate on tasks such as turret maintenance and harvesting natural resources while being under continuous attack by alien cacti! Whack your friends in the versus mode.

Otter Space Rescue$0.99
Your Otter Space crew has been captured by evil robots. Save your team and fight together through endless rooms of evil robots.

Hyper FrenzyFREE
Hyper Frenzy is a free arena-styled singleplayer 2D space shooter using top-down perspective. Fight in different modes against bots, collect various items and use one of the plenty weapons to defeat your opponents. Create your own maps and gametypes.

GRAND CROSS: ReNOVATION$14.99
Slash through enemies with the Sun Blade, the most powerful weapon in Shmup's history! Overwhelm hordes of enemies with flashy on-screen effects in this super-aggressive vertical scrolling shump!

Red Sector$9.99
A sci-fi roguelike about a lone pilot on a forbidden mission through his galaxy. Piece together his story as you scavenge to build your loadout in this procedurally generated space shoot'em-up.

SUPERVERSE$9.99
SUPERVERSE is a fast-paced, action-packed, space shooter game. This electrifying arcade transports the player to an ancient network of interconnected universes, to find a way to return to the past and prevent the extinction of humanity.

Invaders from the Third Dimension$0.99
A retro space shooter with a twist - now you can rotate your ship and aim diagonally at enemies, adding a whole new dimension to the shoot 'em up genre.

SCHAR: Blue Shield Alliance$3.99
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.

Grav Blazer Squared$4.99
Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

GalaxIverse IIFREE
Brace yourself for explosive space battles in GalaxIverse II! This intense multi-directional shooter puts you in the pilot's seat against alien fleets and colossal capital ships.

Hyper Echelon$19.99
The Cyan Galaxy is in peril! Your trusty little star fighter and rag tag squad of wingmen are the only hope against the evil EXODON! Level up from a pea shooter to an offensive powerhouse as you engage in frantic combat across many wondrous locales.

Frayspace$4.99
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.

Super Bit Blaster XL$2.99
A SUPER throwback to the classic quarter eating arcade games of the 80's. Super Bit Blaster XL is an (even more) enhanced version of the retro styled, addictive, and fast paced arcade shoot 'em up!

No Space For All$9.99
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!

Meteor Storm$4.99
Welcome back to 1996! This shared screen space shooter is the perfect 4-player competitive game for some casual fun!

Beyond the Storm$11.99
Be NEARLY vaporized, crushed, blown to pieces, flame broiled, and electrocuted using your incredible targeting skills and class 1 fancy flying to keep you alive in this SHMUP that brings back the essence of the classic arcade shmups!

Fragment HuntersFREE
Crystal Souls: Fragment Hunters is a top down indie space game where you shoot enemy ships, gather crystals, and upgrade your own ship.

Starfighter Neon$0.99
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.

I, W.O.M.A.N.$3.99
Battle dangerous robots that have been taken over by a malicious alien program. Customize your character, then fight your way to the Bridge, using power-ups and specialized weapons, to reboot the Central Computer before the berserk robots make it to the human passengers aboard the spaceship.

Super Rebellion$4.99
The humanity succumbed against the power of a aliens intergalactic empire, but managed to organize and establish a resistance army. Join the rebellious seekers of peace and help them defeat the evil that haunts the Earth.

ionAXXIA$7.99
ionAXXIA introduces the ‘big brained shooter’ genre with a tactical arcade space shooter. Classic 90's inspired sci-fi action adds a whiff of Dark Souls to its varied-weaponry combat, pairing a need for quick reactions and gaming skills with patience, timing, and smart decision.

Time Wasters$4.99
Time Wasters is a space shooter bullet heaven roguelite. Equip and upgrade weapons, destroy swarms of enemies, and collect Time & Space Cubes to bend the timeline to your advantage.

Crystal Comet$9.99
An old-school chaotic twin stick space shoot em' up. You are not the hero - you're part of a squad! - Play single player with the AI or drop in / drop out local co-op!

PhaigeX: Hyperspace Survivors$4.99
PhaigeX is a fast-paced "Bullet Heaven" space shooter, tasking the player to explore space sectors and contain a rising incursion of rogue AI-controlled units. Pilot a variety of ships, call in the support craft, and use a myriad of upgrades to lay down heavy firepower towards the enemy forces.

D.A.R - Deadly Alien Rogues$4.99
DAR is an arcade-style single-screen shoot-em-up inspired by the classics, with some modern rogue-like twists! Pick your character, plot a course through the galaxy, grab upgrades and destroy the enemy! The ultimate goal? Saving the galaxy! Or just getting a really, really high score - your call.

Starlight: Eye of the Storm$7.99
SHOOT 'EM UP!Starlight: Eye of The Storm is a 2D Vertical SHMUP set in a 3D background. Unleash your special powers, upgrade your weapons! Take on 10 Arcade stages or 15 Campaign missions! Drift (auto-pivot mode) behind your enemies and take them on with style!

Xentron Attack$0.99
Xentron Attack is a multi-directional shooter. The evil alien forces called Xentron have invaded your galaxy and spreading dangerous meteors and missiles in the space. Fight with smart enemies who calculates your movements. Turn your ship precisely and use the borderless space wisely.

Solaroids$9.99
Classic Asteroids® updated with modern gameplay and perfected controls. Explore hazardous environments and sneak around asteroids to surprise attack giant bosses. Upgrade your ship to use additional power-ups. Single player or fight with up to 3 friends with intense local coop.

Bubblegum BanditFREE
With the power of gravity manipulation and bubblegum, the Bubblegum Bandit wreaks havoc and takes revenge! Steal from evil robots and blow up their ships!

Yargis - Space Melee$2.99
Yargis is a fast paced, top down spaceship shooter. Customize your ship to join a battle online or offline. Yargis is focused on team based, close combat action. The game has a variety of battle and co-op game modes and a powerful editor make Yargis a great game!

Gratuitous Space Shooty Game$3.99
Gratuitous Shooty Game is a hobby space shooter made by the developer of Gratuitous Space Battles, reusing the art from that game :D.

While you are Downloading$0.99
A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

Turbo ShotFREE
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.

Enemy Mind$9.99
A retro shooter with a new power: the power to become any ship.Lost in the depths of space, you are a being of pure psychic energy with the uncanny power to take over and control anything you see in order to survive.Built for PC, Enemy Mind lets you battle your way through 70+ waves of challenging enemies.

Spaceship Hunters$5.99
Spaceship Hunters is a chaotic couch co-op shoot-em-up for 4 players. Working as a crew, fight your way through the worst criminals the universe has to offer.

Blazing Trail$12.99
Escape failed! All we have left is our will to survive, the endless hordes of enemies, and enough bullets to rip them all to shreds. Blazing trail. Vertical co-op shooter, offering accessible, action-packed gameplay.

The Last Archwing$4.99
The Last Archwing is a fast paced, vertically scrolling space shooter. Will you and your friends take up the mantle as Earth's last defenders and thwart the plans of the evil Emperor Zarkhan?

The Battle of Aurinoxia$2.99
A retro space shoot 'em up with pixel art graphics, unique enemies, tough angry bosses, and a killer soundtrack. You are among the first pilots to arrive in the system to mount the counteroffensive against the aggressors. Get out there and show these aliens the price for messing with The Alliance!

Cuboid Keeper$6.99
Cuboid Keeper is a fast-paced arena shooter with a gripping storyline and an unique spaceship building system. Take control of the legendary Guardian of the Cube and face four advanced civilizations hell-bent on defeating you.

Traxion$2.99
TRAXION is a space-themed cave flyer featuring beautiful pixel art, great music, and tons of meticulously crafted physics puzzles.

Probe$1.99
A challenging 2D block breaker featuring arcade elements and a modern spin on the popular retro games. Destroy data blocks and galactic enemies using only your probe, bullets and power ups but don't lose your ball to the void. Do you have what it takes to reach the end of the universe?

Polyfury$8.99
You thought geometry was difficult? Now it's got a gun! Face the fury of the Seven Deadly Shapes and blast your way through a barrage of bullets and lasers in this highly accessible bullet hell.