Games Like Zero Castle

Syder Reloaded revives the Syder series in this love-letter to 90s Amiga shmups with upgraded graphics and refined gameplay. Challenging levels, a fleet of ships and a motherload of alien invaders. Get back to your roots and curse at your monitor in this skills-first shooter.

Why similar: Bullet Heaven 33.2% ★, Bullet Hell 13.8%, Shooter 9.7%, Arcade 9.5%, Flight 8.6%

A run based shooter drawn on lined paper. Fly a paper ship across a desk, collect what you can before the fuel runs out, then spend it and go again. Five worlds, five currencies, and rules that rewrite themselves.

Why similar: Bullet Heaven 38.3% ★, Bullet Hell 13.8%, Action 13.3%, Shooter 13.1%, Arcade 12.8%

Crush the countless crabs while blasting your way through the cancer zone!

Why similar: Bullet Heaven 48.3% ★, Arcade 11.8%, Shooter 9.7%, Space 8%, Action 7.6%

DOME 3.0 is a bullet hell roguelite survival shooter. You are a ship trapped inside a dome with endless waves of enemies and 20 bosses closing in from every direction. Upgrade your ship and gear and dominate the Dome

Why similar: Bullet Heaven 39.7% ★, Bullet Hell 15.9%, Shooter 13.4%, Arcade 13.1%, Action 12.3%

Endless alien swarms. Zero mercy. Pilot 6 unique warships, stack weapons and passives into game-breaking builds, and duel colossal bosses in this space survivors bullet hell. Between runs, rebuild your mothership, hire crew and unlock forbidden alien tech. How long can you survive?

Why similar: Bullet Heaven 34% ★, Bullet Hell 14.1%, Flight 13.8%, Shooter 10%, Old School 5.8%

In this retro space shooter you will have the opportunity to take control of a space fighter and crush waves of enemies. Show all your agility and reaction!

Why similar: Flight 24.8%, Bullet Hell 20.3%, Shooter 12.9%, Arcade 10.9%, Action 9%

Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.

Why similar: Bullet Heaven 36.8% ★, Bullet Hell 15.4%, Shooter 11%, Arcade 8.8%, Action 5.8%

Pilot one of three ships through an endless procedural bullet-hell roguelike. Dodge escalating formations, hunt evolving bosses, collect run-defining relics, upgrade five weapons and destroy massive multipart Apex Colossi.

Why similar: Bullet Heaven 44% ★, Bullet Hell 15.2%, Shooter 9.1%, Arcade 7.9%, Action 6.7%

No health bars to hide behind. No progression curve to cushion you. Just you and your inertia. In a cold pixel void, pure dogfighting — drift to find that one lethal shot. Luck won't help. Only skill.

Why similar: Flight 19.5%, Bullet Hell 19.2%, Shooter 16.2%, Action 14.3%, Arcade 13.8%

This is a horizontal retro arcade-style STG shooting game. Players need to control fighters to defeat the ultimate villain FightFox and rescue EAU and the Southern Cross Union headquarters.

Why similar: Bullet Hell 21.3%, Arcade 18.5%, Flight 17.3%, Shooter 13.9%, Action 10.7%

Battle across the galaxy, defeat powerful bosses, and uncover the mystery of Kuma's missing sister in this fast-paced top-down space shooter.

Why similar: Bullet Heaven 43.1% ★, Bullet Hell 16.7%, Flight 15.8%, Shooter 7.9%, Arcade 6.8%

Defeat enemies, collect Modules, and create powerful builds in this cyberpunk bullet hell shooter. Combine weapons and Modules to forge your own playstyle and push through endless waves of enemies.

Why similar: Bullet Heaven 47.1% ★, Bullet Hell 23%, Shooter 11.9%, Action 6.3%, Futuristic 4.7%

A twin stick shooter without the twin stick, Gunlocked is a sci-fi action roguelike about careful positioning and upgrade selection. Manage unique targeting systems across multiple weapons and upgrades, as you battle legions of alien ships, and then do it all over again!

Why similar: Bullet Heaven 38.6% ★, Bullet Hell 16%, Arcade 9.6%, Shooter 9.3%, Action 6.2%

一款东方同人STG射击游戏,魔女罗菈Rola穿越到幻想乡发动圣诞节异变,博丽灵梦发现后大战罗菈Rola！开始紧张刺激的弹幕游戏吧！

Why similar: Flight 31.4%, Bullet Hell 28.2%, Shooter 16.3%, Arcade 14.5%, Action 5.2%

A roguelike survivor where the clock is your own greed. Fights never end on their own — the waves loop, and every loop makes enemies stronger. Bank your build and leave, or stay one more round. Choose your route, evolve your weapons, and meet the boss with whatever your greed built.

Why similar: Bullet Heaven 51.5% ★, Bullet Hell 20.6%, Arcade 12.8%, Action 9%, 2D 3.2%

Wield the power of the stars in this intense multi directional shmup.

Why similar: Bullet Hell 22%, Shooter 17.4%, Arcade 17%, Action 16.4%, Old School 7.2%

Merge Mutants is a fast-paced top-down survival shooter where hostile scientists try to keep you locked up. Synthesize their remains into healing, abilities, and loyal mutants, then merge matching units into bigger and more powerful ones. Break out of the lab or die trying.

Why similar: Bullet Heaven 49.3% ★, Bullet Hell 18.1%, Shooter 11.7%, Action 9.9%, Sci-fi 3.2%

Returning to the classic style of spaceship games in pixel art. Survive in space as many enemy ships and anything else that can destroy your ship, get all the advantages and improvements available to get your best score.

Why similar: Shooter 18.9%, Bullet Hell 16.8%, Action 16.7%, Arcade 13.9%, Flight 13.2%

You are the first party mech pilot of alien planet colonizers! Project Lazarus is a survival game with rogue-lite elements. Deploy and upgrade your mech to the metal!

Why similar: Bullet Heaven 47.1% ★, Bullet Hell 23.2%, Arcade 13.2%, Action 9.8%, Sci-fi 4%

NULLVECTOR is a fast top-down action roguelike where you pilot a neon ship, equip up to four weapons, stack stat upgrades, and dodge dense bullet hell patterns in short replayable runs.

Why similar: Bullet Heaven 43.7% ★, Bullet Hell 20.3%, Action 13%, Arcade 9.7%, Space 4.8%

In this arcade-style space shooter, grab star fragments, powerups, and fuel drums as you fly through space dodging asteroids and trying to get a high score.

Why similar: Bullet Hell 20.9%, Flight 17.5%, Action 17.1%, Shooter 16.6%, Arcade 16.4%

is a bullet heaven game where you can engage in massive space battles by building fully customizable ships. Create your own flying brick and destroy everything that stands in your path.

Why similar: Bullet Heaven 41.7% ★, Shooter 15%, Arcade 14.2%, Action 9.9%, Pixel Graphics 4.8%

Start as a tiny mech, spread as a cosmic parasite, or rewrite reality as a living cursor. Destroy enemies, unlock hundreds of upgrades, evolve through massive transformations, and grow from scrapyard survivor to universe-shaping power.

Why similar: Bullet Heaven 44.5% ★, Action 15.9%, Arcade 15.5%, Bullet Hell 8.6%, 2D 6.1%

The parish is dead, and the bell must be kept. A grim folk-horror survivors-like: hold a plague-dead churchyard from the first toll to matins, with eight violent rites drawn from grave-craft and a night that changes as worse things answer the bell.

Why similar: Bullet Heaven 60% ★, Bullet Hell 22.5%, Action 9.1%, Pixel Graphics 5.6%, 2D 2.4%

Blast through an endless, procedurally generated river canyon in this retro-style arcade shooter. Manage your fuel, graze enemies for energy, and uncover the story of the "Sky Ghosts" squadron. In Pixel Canyon, the river never ends - but your fuel might.

Why similar: Flight 29.3%, Bullet Hell 26.4%, Shooter 15.5%, Arcade 12.4%, Action 9.1%

Retromodern hi-speed shmup

Why similar: Bullet Hell 27.9%, Action 22.8%, Arcade 22.2%, Shooter 21.8%, 2D 4.7%

"Survive the crushing gravity and conquer the void! Alpha Star is a fast-paced 2D space shooter where you must navigate through evolving bullet hells and dynamic black holes. Upgrade your ship, survive 10 intense mission phases, and reach the heart of the Singularity."

Why similar: Bullet Hell 21.7%, Flight 17.8%, Arcade 16.7%, Action 16.2%, Futuristic 8.5%

Full Thrust, Full Inertia, Full Auto! FOXFIRE is a top-down sci-fi survivors-like with space physics and a devastating arsenal of evolving weaponry. Customize your ship and tear through alien swarms as routine recon missions descend into bullet hellscapes.

Why similar: Bullet Heaven 40.8% ★, Flight 19.5%, Arcade 12.7%, Bullet Hell 7.2%, Action 5%

Yuuka Kazami is running a flower shop?! In [Flowershop Master Yuukarin!], Yuuka tries to run a flowr shop in Gensokyo, which has been suddenly dominated by foodie culture.

Why similar: Bullet Heaven 36.2% ★, Bullet Hell 24.5%, Shooter 19.2%, Action 15.2%, 2D 4.2%

Blast through thousands of biomechanical creatures and survive until extraction! Tomboy is a sci-fi casual rogue-lite where your choices shape devastating builds and overwhelming firepower against endless waves of horrors. Make bullet heaven real.

Why similar: Bullet Heaven 40.6% ★, Action 17.1%, Bullet Hell 16.3%, Arcade 15.2%, Pixel Graphics 3.7%

Battle through endless cosmic hordes in a galaxy where your choices shape each run. Upgrade and collect a huge variety of weapons and upgrades to create unique builds. Customize the arena itself by adding new areas to it, each new area bringing it's own dangers and rewards.

Why similar: Bullet Heaven 49.2% ★, Bullet Hell 20.6%, Arcade 11.7%, Action 6.1%, Space 4%

A blend between Shoot'em ups and Looter Shooters. Take on the story or randomly generated missions to level up your pilot and collect loot to build your ships up to take on bigger challenges.

Why similar: Bullet Hell 22.7%, Action 18.6%, Shooter 18.1%, Arcade 17.7%, Flight 9.9%

Kill All Clankers is a fast paced 2D Platformer Rogue-lite with Bullet Heaven and Twin Stick Shooter mechanics. You play as agents of the Prohuman Revolutionary Movement. ​​​Your objective is to survive multiple levels for 30 minutes and free humanity from a tyrannical AI surveillance state.

Why similar: Bullet Heaven 54.3% ★, Bullet Hell 17.9%, Shooter 12.1%, Action 9.1%, Pixel Graphics 2.1%

Sidequest Survivors is a bullet-heaven roguelite where you control wacky characters, mow down waves of magical creatures, and tackle sidequests. Choose from a variety of weapons and create builds that match your playstyle.

Why similar: Bullet Heaven 55.2% ★, Bullet Hell 20.2%, Action 7.3%, Arcade 6.3%, Pixel Graphics 5.6%

ATOMIC GUARDIANS is a fully CO-OP arcade retro shoot 'em up, where one player flies the ship, and the other player mans the shields. Fight your way through a never ending horde of Brutal Bosses, Alien Monsters and Gigantic Asteroids as you rack up a new world-wide high score. Play with up to three friends, and see how long you can last!

Why similar: Bullet Hell 20.5%, Shooter 15.4%, Arcade 14.4%, Action 10.1%, Futuristic 9.8%

A bullet-heaven roguelite disguised as a boring spreadsheet. Mow down waves of errors and survive the 20-minute fiscal year.

Why similar: Bullet Heaven 46.6% ★, Bullet Hell 25.2%, Action 13.1%, Shooter 9.9%, 2D 2.5%

Finish The Dishes! is a fast-paced arcade shooter set on a chaotic kitchen countertop. Blast pests, exploit their weaknesses, upgrade your arsenal, and chase perfect five-star runs.

Why similar: Flight 20.8%, Bullet Hell 16.8%, Action 15.1%, Shooter 14.5%, Arcade 14.2%

A 3D movement based bullet hell where you swing, dash and use beast powers to survive swarms of enemies.

Why similar: Bullet Heaven 56.7% ★, Shooter 14.5%, Arcade 12.3%, Action 9.1%, Space 4.4%

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!

Why similar: Flight 21.5%, Bullet Hell 18.5%, Shooter 11.2%, Arcade 9.8%, Old School 8.9%

The spell-crafting bullet heaven where you earn your god-tier endgame. Graft runic circles to your soul, then unleash your creations on the daemonic hordes. Create 10^30 possible spell combinations and ascend to godhood.

Why similar: Bullet Heaven 46.9% ★, Action 16.7%, Bullet Hell 16%, Arcade 14.3%, 2D 2.5%

You're the last student left. The schoolyard is now filled with strange, terrifying creatures. Grab your pencil, ruler, eraser, or scissors—anything you can use as a weapon. Fight to survive in an abandoned school where peace depends on you. The battle begins now!

Why similar: Bullet Heaven 58.1% ★, Bullet Hell 22%, Arcade 8.3%, Pixel Graphics 6.1%, 2D 3.7%

Survive endless neon waves in this fast-paced arcade auto-shooter. Collect XP gems to evolve your build with game-breaking synergies, survive brutal 60-second boss cycles, and spend banked gems in an infinite permanent skill tree to push your next run even further.

Why similar: Bullet Heaven 51.7% ★, Shooter 13.1%, Arcade 12.9%, Action 12.7%, Pixel Graphics 3.8%

Icame Isaw Iconquered is a fast-paced action roguelike where you fight through ridiculous hordes of enemies, grab crazy upgrades, build completely broken combinations, and survive whatever the game throws at you. Trust me, it gets crazy.

Why similar: Bullet Heaven 57% ★, Bullet Hell 22.4%, Action 18.8%, Indie 1.2%, Singleplayer 0.6%

A challenging 2D boss rush shooter. Use your reflexes and mobilities to face off against a legion of foes.

Why similar: Flight 22.4%, Bullet Hell 20.1%, Shooter 15.9%, Action 15.7%, Arcade 15.5%

Engagement is a tactical space duel game about predicting and planning the next few seconds. Queue thrust, turns, weapons, and defence; commit your orders, then exploit the window your opponent leaves open.

Why similar: Bullet Heaven 54.4% ★, Flight 11.9%, Space 11%, Action 9.1%, Arcade 8.4%

A fast-paced run-and-gun platformer set in a dynamically generating, unforgiving world. Climb endlessly to escape the deadly void below, unleash your abilities, and dodge through intense enemy crossfire to achieve the highest score.

Why similar: Bullet Heaven 32% ★, Action 17.9%, Shooter 17%, Arcade 16.7%, Bullet Hell 15%

Flow through a glowing field of musical crystals in this relaxing and immersive zen bullet hell. Shatter the crystals to collect their magic and upgrade your powers. Fend off enemy spacecraft, and save the galaxy from The Fraternal Brotherhood of Evil Magic Space Robots - or just enjoy the vibes!

Why similar: Bullet Heaven 42.6% ★, Bullet Hell 19.2%, Flight 17%, Shooter 12.6%, Action 6.1%

Movement is your weapon. A sci-fi action roguelike and shmup combined, in Gunlocked 2 you'll pilot and upgrade a state-of-the-art warship against endless waves of deadly aliens. Deep customization, branching paths, and tons of unlockables offer endless replayability!

Why similar: Bullet Heaven 39.9% ★, Bullet Hell 13.2%, Arcade 10.6%, Shooter 10.5%, Futuristic 6.8%

Battle through hordes of enemies in intense space combat! Conquer 30 challenging stages, explore 3 unique galactic systems, upgrade your ship, and unlock over 30 exclusive skins as you test your reflexes and strategy in fast-paced arcade action.

Why similar: Flight 32.4%, Action 15.5%, Arcade 14.4%, Shooter 12.5%, Hand-drawn 8.1%

A survivors-like roguelite. Fight down through three areas, collect weapons and upgrades, and unlock permanent upgrades between runs. Plus a twelve-minute daily run that is identical for every player in the world.

Why similar: Bullet Heaven 61.3% ★, Arcade 15.4%, Action 9.8%, Old School 9.5%, 2D 2.7%

move fast → build weapon evolutions | crack elites + bosses | chase a high score | pixel-art bullet heaven | free updates forever

Why similar: Bullet Heaven 48.8% ★, Bullet Hell 20.2%, Arcade 11.1%, Action 6.4%, Futuristic 3.7%

Go free your besieged home planet... all by yourself! Emancipator GO! is a survival game with roguelite elements.

Why similar: Bullet Heaven 40.1% ★, Flight 20%, Bullet Hell 15.7%, Arcade 9.7%, Action 6.7%

Retro arcade classic, Defeat a million invaders from another dimension in this side scrolling shoot'em up.

Why similar: Bullet Hell 23.2%, Flight 18.9%, Shooter 15.1%, Arcade 12.8%, Action 10%

Butt Brawl: Survival is a high-energy bullet-heaven where uniquely powerful butt heroes battle endless hordes of toilet-themed enemies. Play solo or local co-op, insane upgrade combinations, defeat massive bosses, unlock permanent abilities, and chase glory across increasingly brutal difficulties.

Why similar: Bullet Heaven 53.9% ★, Action 15.4%, Bullet Hell 15.1%, Arcade 14.4%, Indie 0.9%

RushGirl LUCA is a fast-paced 2D action shooter roguelite. With nothing but a mouse, weave between bullet heaven and bullet hell by your own hand, hold back the alien assault, upgrade a wide arsenal of weapons and parts, and push the counterattack all the way out into space!

Why similar: Bullet Heaven 47.2% ★, Shooter 13.2%, Action 8.1%, Futuristic 8.1%, Bullet Hell 6.9%

ClumpHunter is a fast-paced 2D roguelite platformer where you fight through waves of enemies in action-packed levels. Collect loot influenced by your luck, level up your stats, and combine upgrades to create powerful builds.

Why similar: Bullet Heaven 52.2% ★, Bullet Hell 20.9%, Arcade 10.3%, Action 7.7%, Pixel Graphics 4.6%

Star Seed Protocol is a bullet-heaven horde survival shooter where you aim your own weapons, deploy turrets and drones, reshape your build with implants, research new technology, and fight through alien swarms across varied mission types.

Why similar: Bullet Heaven 49.6% ★, Bullet Hell 20%, Shooter 10.7%, Action 7.9%, Hand-drawn 5.3%

Isometric bullet hell sci-fi shooter in a futuristic atmosphere

Why similar: Flight 24.1%, Bullet Hell 19.9%, Shooter 15.7%, Arcade 15.3%, Action 14.9%

Can you survive humanity's deadliest drones? Build your ship, evolve alien Beasts, unlock powerful talents, and fight through an ultra-hard roguelite space shooter where every run is different.

Why similar: Bullet Heaven 39.6% ★, Bullet Hell 17.5%, Shooter 11.6%, Arcade 10.5%, Action 7%