Top similar games like Ostallian Core:

Retrograde Arena is a multiplayer twin stick shooter where bullets don’t kill. Use weapons, physics, and your Drone to push, pull, and blast your foes into deadly surroundings in this skill-based shooter action title that redefines physics-based action.

Bikerz is a fast-paced, action-packed game where you have only one goal: survive all of the coming levels!

Defeat the Gimel invasion on this side shooter that explores the contrast lack between the projectiles and the background to create an unusual challenge that will confuse your head

On a bold and potentially dangerous mission to revive the classic Arcade military shooter. Fully loaded with addictive top-down and side-scrolling run-and-gun gameplay, pixel-perfect 2D graphics, explosive SID soundtrack and massive destruction! Fight on foot and in heavily armed vehicles.

Classic multi-directional (360°) shoot 'em up. Navigate your UFO through hazardous environments with dangerous enemies and beat huge bosses!

Pilot your sub through waves of angry sea-life and punishing bosses in this aquatic twin-stick shooter.

Dodge, shoot, survive! Polygon pursuit is an arcade-style twin stick shooter where you are pursued by multiple enemies constantly. You play as a lone circle confined in a polygonal world fighting to survive against waves of unique enemies. This is not an easy game.

slither and shoot, but don't run out of space! cyber_serpent is an arcade twin-stick shooter combined with snake. compete for a global high score in this modern take on retro classics as you face infinite waves of polygonal enemies.

TRAXION is a cave flyer featuring beautiful pixel art, great music, and tons of meticulously crafted physics puzzles.

#Funtime is an explosive twin-stick shooter where shooting isn't your only weapon. Swap your ship's color to destroy enemies, avoid damage, and ultimately control the battlefield.

An action-packed roguelite shooter where you battle famous works of art and each level you beat becomes a masterpiece to add to your colorful collection.

Captain a starship in a thrilling 2D shooter, dodging asteroids across galaxies. As you journey to Axios Station, each galaxy's challenge intensifies. Can you navigate the cosmic gauntlet?

Fly into a charming handcrafted world and go on an adventure that mixes up open exploration with crispy twin-stick shooter action. Fight your way from the shiny overworld to the deepest caves, improve your ship and overcome the dungeons' bosses to rescue your friends!

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.

OS OMEGA is an isometric twin-stick shooter / RPG game set in a retro synth wave environment. Fight gazillions of unique 3D enemies, use fully physical guns to defeat the V.I.R.U.S. and save the operating system. Novel tactics reward dancing around enemies and smart consumable management.

Gospel of Abaddon is a 2D mix of RPG, Shooter and Roguelike. During WW2, an American pastor deserts the army and after using amphetamine, he sees God telling him to destroy the entire sinful world...

Gem Raider 2 is an old-school move-and-shoot game. Your objective in each room is to destroy all of the Power Gems and return to the teleport pad to exit. Other Gems can also be destroyed to increase your score. There are 20 rooms and each of the 9 types of enemy Gems has unique weapons or skills.

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.

Splitfire is the first twin-stick shooter where each thumbstick controls it's own weapon! How does it work? Simply push the left thumbstick to move & shoot! Then, push the right thumbstick to fire another weapon in a separate direction! That's all it takes to Splitfire!

Experience your music collection as never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.

Launch your ball into the high-scores in this frantic and stunning physics-based procedurally generated time twister!

SNOT is a top-down shooter minigame that's all about keeping cool and reloading. Stuck on a floor tile, brace your (booger) self and face endless hordes of micro organisms - fighting to survive as long as you can!

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.

BEAT THE MONS is simple pixel auto shooter. Dodge, shoot, beat all these monsters and earn score! Life is not much else...

Your purpose is to eliminate all pixel-based lifeforms by breaking off their limbs and destroying their cores. Compete to be fastest on the leaderboards, watch replays from other players to learn their tricks, or team up with a friend in local co-op.

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!

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.

Waves 2: Notorious is an arcade twin-stick shooter set in Cyberspace. Build Combos, earn Adrenaline and unleash powerful Burst attacks as you Dive into the Net and do battle against an AI that adapts to your weaknesses!

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.

TwIn-stick RogueLike Shoot'em up Action!

Sky Mammoths takes place in a dystopian future where your only chance for survival is to raid freighters that carry essential resources controlled by monopolies. Save yourself and others by hunting 'Sky Mammoths' and redistributing the stolen resources.

In a universe full of opportunity and fortune as a Spacer two things are true: Space is really dangerous and big and two always remember to get paid. Pay your debts and stay safe!

An addictive fast paced twin stick arena shooter with banging electronic sound track, nostalgic nods and a barrage of flashing lights and bullets. Your task is simple, kill drones, free humans, don't die!

A colorful run-and-gun shooter with hordes of enemies, powerups, perks and diverse environments!

High Velocity Arena is a refreshing take on the top-down shooter genre, boasting surprisingly nuanced yet satisfyingly snappy movement and gunplay. Pick between five classes, dozens of loadouts, and slide into 5v5 battles to dominate your opponents in Payload, KOTH, Attack-Defense, and more.