Top similar games like Ostallian Core:
Ostallian Core $7.99
A modern omnidirectional space shooter with colorful retro-style ASCII art and light RPG elements, featuring optional permadeath.
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Big Trouble in Little Chimney$4.99
Krampus is Coming! Grab your Shotgun, finish your hot punch and don't forget your mission: Save the Christmas! Big Trouble in Little Chimney is highly-addictive and fast paced arena bullet-hell shooter.

Demeter$7.99
An arcade twin stick shooter that tests reaction times and decision making. Designed for short sessions on the train with your Deck, or waiting for the next queue to pop, Demeter is all about action, skill and high scores.

Space Survivors$4.99
Annihilate hordes of enemies with devastating, unique, and powerful weapon upgrades! In Space Survivors, a survivor-like game with roguelite elements, every move could mean victory or death! head back to your station, hack cargo for pets and prepare for an even tougher run!

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!

Run Build Pew!$2.99
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.

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.

Madville+$2.99
Madville+ is a rogue-lite / arena shooter with ridiculous upgrades. It is designed to have short play sessions (30-40 min) and replayability.

Shrimpwrecked$2.99
Riding an extra-terrestrial weapon disguised as a guitar, battle to the bottom of the ocean deep to turn the tides of impending worldly destruction; krill or be killed!

Chromancy$4.99
A shoot 'em up that tests your wits and reflexes! Mastering the ability to change color between red, green and blue is the key to beating this game.

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.

Insect Swarm$8.99
The insect swarm is a swarm consists of millions of alien insects, and you, as the only survival on this barren planet, will have to fight against them dauntlessly. Good luck!

Vostok 2061$9.99
Vostok 2061 is a modern-graphics vertical scroll shooter. Gorgeous alien worlds, spaceships, and bosses. Explore mysteries as you listen to a great soundtrack!

Vile$12.99
Vile is an action rogue-lite about fighting demonic creatures and other horrors throughout a vile world. Fight enemies and/or complete random objectives given to you in procedurally-generated dungeons to put a stop to the creatures forever! Collect souls, find new weapons, new artifacts, and battle EPIC bosses!

Super Space Serpent SE$9.99
80's vector style Twin stick action with a booming soundtrack and permadeath.

Shoot Trip Die$2.99
Shoot Trip Die is a psychedelic, arcade, rogue-like romp! Finger blast your way through dozens of levels mowing down strange monsters and collecting even weirder items, all to get back to your pissed stained mattress! It's got Kick! It's got Bite! And It'll Mess. You. Up! You got what it takes?...

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.

Kill The Crows$4.99
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Breakpoint$4.99
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Chronicle: Unit Eight$14.99
Experience intense arcade-style shooter with bullet hell mechanics and rogue-like elements. Use destructible bullets to defeat waves of enemies and bosses. Can you emerge victorious in this thrilling challenge and take down the Space Pirate?

SSS222: HyperSpace$2.99
A fast-paced addicting space shooter with an inspiration taken from many modern games. A project I have been passionately working solo for 2 years+!

Berzerk: Recharged$9.99
Blast your way through an endless maze inhabited by deadly robots and their invulnerable, menacing master Evil Otto. Tag in a friend in local co-op to help you survive this twin-stick revival of an arcade classic.

REPLIKATOR$11.99
In this twin stick roguelite shooter, you play as one of the galactic mercenaries, explore a mysterious scientific complex and uncover the secret of the REPLIKATOR project.

Peraglees - The Ooloufian Resistance$9.99
Lock and load. Shoot first, ask questions if you feel like it. Every second counts as you dodge incoming fire, obliterate enemy fleets, and collect power-ups. It’s up to you to take the fight to the enemy, and save the Fennyverse from total annihilation.

Cyclo Chambers$4.99
Collect synergizing items to create an overpowered character to fight hordes of cyclops monsters. Cyclo Chambers is a fast-paced, top-down arena shooter with light rogue-like elements. 150 items to choose from to create frantic combinations. Different runs every time.

Dark Galaxy$2.5
Dark Galaxy is an action based rogue-like top-down shooter. You pilot a space drone to oppose the insectoid like species called Minaripods. Illuminate the darkness and get stronger by travelling to different star systems. Can you free our galaxy from the invaders?

Blacksea Odyssey$9.99
Enter the Blacksea Odyssey, a violent top-down rogue-lite space shoot ‘em up RPG brimming with colossal creatures and runic technologies. Explore dangerous, interstellar spacescapes as you hunt enormous space-behemoths with a harpoon and rune-infused spears.

Stillborn Slayer$4.99
Stillborn Slayer is a beautifully crafted pixel-art bullet hell action-roguelike game set in a cursed Dark Continent, with challenging boss fights, exploration, and complex combat. Master dodging and rolling skills to fight incomprehensible monsters and slay the Horned God to end the Curse.

TAMERLANE$0.99
This fast action shooter lets you witness medieval combat in a new way. In an Adventure and Rogue-Lite mode you will have to fight knights, horse archers and even elephants.

Creekside Creep Invasion$9.99
Stop the bogus creeps in this hardcore action roguelite! Equip rad perk based armor in five slots, wear and unlock new gnarly costumes with active and passive abilities, use tubular randomized guns, unlock tons of new ammo types and upgrade your awesome mini-mart!

BattleCourt$0.99
BattleCourt: a Casual Horde Survival Looter and Shooter. Millions of combinations of guns, survive as long as you can.

That's My Space$4.99
The universe is yours to conquer in That's My Space. Gather resources, craft powerful weapons, upgrade your spaceship and battle against enemy nations to become the ultimate space explorer.

Burst Hero$2.99
Burst Hero is a pixel roguelike shooting survival game. You can choose heroes with different abilities and use various weapons to resist a steady stream of enemies. In the battle, you can customize your build by weapons bullets and cards. Each battle will have different experiences and challenges.

Twinworld Survivor$4.99
Twinworld Survivor is a survival roguelite where you play a girl just become an investigator and entered the twinworld by accident. Choose from a variety of traits and items to create unique builds, and defeat waves of monsters to survive, and uncover the secrets of the twinworld.

Starr Mazer: DSP$9.99
The UNFP's been kicked in the teeth by a G'ell invasion force and their last and only hope is a planetary outpost and its fleet of experimental DSP MkI Forward Assault Fighters and anyone marshal enough to strap into one and forcefully accept some apologies.

Monsters 'til Midnight$4.99
Use steampunk weaponry to vanquish the legions of evil and survive until the clock strikes midnight! In this fast-paced horde survival game, each powerful upgrade can help turn the tide. Go it alone, or join another player in your pursuit to outlast the inevitable march of time itself!

Power of Ten$11.99
Fly a star-fighter against a bloodthirsty armada. Gather weapons, resources, and upgrades to help you push back the relentless assault while protecting the galaxies' civilians!

ApricityFREE
Apricity is a top-down shooter party game for 1-4 players. 11 character classes. Arcade-style gameplay with a text-adventure driven roguelike mode and a score attack endless mode.

Monsteria$7.99
Introducing a hysterical top-down shooter. Challenge your way through 7+ randomized levels, brimming with hordes of bizarre monsters. Upgrade your character through a selection of 30 unique powerups and minions, unlock special classes and much much more. Monsteria is chaotic fun for everyone.

KosmoSquad$3.99
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!

BroodStar$10.99
BroodStar is a classic arcade shmup with roguelike elements. Acquire crazy item combos, encounter strange events and fight challenging bosses on a quest to destroy the living planet, the BroodStar.

Rocket!$9.99
Build a stronger ship with each play session as you earn resources needed to upgrade your ship and apply stronger weapons. Customize your ship to your play style and tackle greater and stronger enemies as the levels continue in this endless roguelite.

Stellar Interface$12.99
Run through the universe in this rogue-like-ish space-shooter. Discover the numerous perks/consumables and their synergistic effects. Explore the randomly-generated galaxy to find merchants, unlock spacecrafts, collect Cartridges and checkmark your kills of the various galactic overlords.

Chippy$14.99
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.

Roboom$4.99
You should simply try out Roboom. We have quite a long description below, you can read if you like, but experiencing Roboom yourself or as Co-op is the best.

Nine Minute Mayhem$0.99
Nine Minute Mayhem is a rogue-like action RPG. Control your character by moving with the left stick and by shooting with the right stick. Gain abilities every time you level up each run, and collect coins to purchase permanent upgrades. The goal is to survive for nine minutes.

Stella Voyager$4.99
Open World Space Exploring Trading Shmup RPG. Space sheriff fighting outlaws. King of inter planet trade. Investor who contribute to the development of the planets. The choice Is yours.

Manic Archers - Bullseye DEMOFREE
Manic Archers is the very first topdown Zelda-type versus game ever! It features simplistic and on-the-point gameplay with amazing game mechanics and lovely arcade style pixelart-details. It is playable with up to 4 players simultaneously on one screen in several variants.

Spacey Vade$4.99
Synth-wave styled physics based 2D puzzle shooter filled with nods to the golden era of classic arcade games. Think upside down Peggle crossed with Space Invaders and enemies crafted from the blended remains 70's, and 80’s gaming.

Galactic Explorers$1.99
Galactic Explorers is a top-down 2D retro space shooter inspired by early games such as Galaxian, and Asteroids.

Tilebreaker Next Level$5.99
Earth is under attack! Take control and defend the planet in this adrenaline-fueled top-down shooter. Blast through blocks, dodge relentless enemy fire, and face off against formidable bosses. Can you save the Earth in record time? Get ready for the ultimate challenge!

Asteroids and Aliens$9.99
Asteroids and Aliens, Arcade Shooter pays tribute to the Arcade Classic Asteroids. Destroy the Asteroids, save the humans, kill Aliens with Lasers, Missiles, Smart Bombs, or Nukes. You have unlimited Missiles/Bullets but limited Laser firepower and Shields, they can be recharged collecting powerups.