Top similar games like Protocol: Bullet Hell:

Ballmancy is a pachinko-style roguelike where you launch balls to fight off waves of enemies. Choose from a variety of balls and items to create unique builds and see how far you can bounce.

Midnight Heaven is a roguelite shooter where you fight against hordes of deep space creatures. Vision is limited. Enemies are endless. The chance of survival is low. Only the fittest will survive. Create your own build from a variety of items and devices, allocate stats, be the fittest, and survive.

Ping&Pong has a single goal: send the enemy’s own attack back at them. In this frenetic roguelite bullet hell, dodging isn’t enough! Move forward, intercept and deflect projectiles to survive, build your card setup and face increasingly chaotic hordes.

The game offers many classes, each with a unique talent system. Combine your preferred weapons and items to defend against endless waves of enemies within limited maps until time runs out!

Enter the Infinity Trials, an action-packed fast-paced rogue-lite. Fight off waves of dangerous creatures and collect artifacts to enhance your abilities. With each victory, you'll be teleported to a new world, each with unique challenges and enemies.

This is a mixed type game that can cultivate characters, and battles can be divided into tower defense and duel modes. Players can also enter random maps for exploration, challenge difficult bosses, or discover treasures

Stranded in Starlight is a top-down roguelite where you pilot a spaceship armed with a variety of unique weapons and utilities. Battle relentless enemy hordes and powerful bosses as you upgrade your ship, adapting to each challenge in an ever-changing fight for survival.

Test the limits of bio-mechanical clone Model 137 a.k.a BIOTYPE in this free, endless bullet hell. Master the Biotype's patented tri-laser and push as far as you can. Will BIOTYPE prove it can make a difference in the fight against the enemy in the real world?

Ether Loop is a hardcore fast-paced bullet hell with roguelike elements. Descend the unforgiving depths of a mysterious world, encounter challenges, discover dynamic environments and fight ruthless creatures while unveiling the secrets of Ether Loop.

ScourgeBringer is a fast-paced free-moving roguelite platformer. Help Kyhra to explore the unknown and slash her way through ancient machines guarding the seal of her past, and maybe the redemption of humanity.

Face challenging bosses and hordes of enemies in an action roguelike, using elemental weapons and unique combinations to master each cycle.

OVERPOWERED DINOSAURS fighting to DEATH!!! Fight against unending waves of dinosaur enemies and get crazy upgrade combinations to become the strongest dinosaur in this arena shooter!

Stay in the light, hunt the dark. Create your own hero through the four dimensions of role, skill, talent, and blessing outside the battle. In the battle, choose the most suitable equipment and weapons strategically to improve your strength and continue to fight.

Craft your gun. Shoot down enemies hordes. Upgrade weapon, remake weapon, combine weapon. Unlock new characters and new modules. Make great gunsmiths regret their inventions!

Meow Legion is a game about assembling an army of cats to defend against waves of enemies.A top-down roguelite shooter game where you hire cats and level them up to fight mice from the evil Mousy Empire!

An action roguelite with bow and arrow where difficulty increases as you progress. Face waves of enemies, build powerful builds with cards and evolve in real time. Each run brings new challenges and combinations. How far can you go?

Together, Against Mork is a fast-paced single-player game that combines action-roguelike combat with tower-defense strategy. Slay the hordes, build smart defenses, and protect The Crystal at all costs. With every weapon, every hero, every defense—against Mork.

Guardian: 2026 is a rogue-lite action game rooted in Chinese zodiac mythology.You play as the sole uncorrupted guardian – the Horse and journey through four cursed seasons:Spring, Summer, Autumn, and Winter. Defeat the twelve demonic generals,confront the ancient Nian,save your corrupted companions.

Nine Skies is a mythology-themed arena shooter with light roguelike elements. Play as a deity, wield auto-attacking weapons, and cleave through relentless enemies in a fast-paced, chaos-fueled battlefield.

By Bait or By Bullet is a bombastic 2D fishing rogue-lite adventure with both story-rich top-down exploration and action-packed platforming combat, made with Unity and available on Windows and through WebGL!

Retro arcade action meets modern roguelike strategy. In Galactic Rogue: Invaders, blast through endless waves of alien swarms in a tribute to the classic. Clear the screen, draft powerful upgrades, and evolve your ship. Every run is a unique battle for survival.

Henshin MyBro is a rogue-lite game full of nonstop fun! Play solo or with a buddy, scavenge ingredients from monsters and bosses, experiment with weapons, cook dishes for boosts, and HENSHIN to special heroes. Cook, fight, and HENSHIN your way to victory!

Control the ball with gravity and smash through endless hordes! Collect weapons and skills, power up to the max, and survive the onslaught!

Kuiper belt survivor is an arcade style bullet heaven, where every run is endless. It brings a unique spin to the bullet heaven genre by making every part of the players weapon arsenal customizable with well over 10,000 unique weapons to build, and unique stats for every enemy.

Mystic Explorer is a treasure rogue game. Players will play the role of treasure hunter in search of treasure chests in the siege of monsters, defeat the ever stronger enemies, and bring back your own archive treasures.

A bullet hell where the game windows come to life. Explore the digital world within the windows!

Master tactical combat and collect powerful Sigils in this challenging roguelike. Navigate procedural maps through three acts of escalating difficulty, where every encounter shapes your build and every decision determines your survival.

Super Grower is a fun game of agility and reflexes. In this game, you must control a white square and grow the square to an immense size to eliminate all other objects on the level. By moving the square around the playing area and eat the smaller yellow tokens your square will grow big.

GREED - "roguelite" with "drag-drop" elements and item physics. Сhaos of constantly falling random items and advancing enemies. Create items from a variety of combinations, expand the tower in the upgrade tree, use magic to apply effects, and buy what you need to plan your steps ahead.

Defend your castle from various hordes of enemies that seek to invade it! Little Mages is a casual pixel art game with roguelite elements where you accumulate knowledge and learn powerful spells of your choice to defeat all your enemies.

Overture is an action-adventure roguelike which draws heavy inspiration from hits such as Diablo, Realm of The Mad God, Zelda, and The Binding of Isaac. Explore vast randomly generated dungeons and slay hordes of cunning enemies!

A tactical defense game where you build the battlefield itself. Lure enemies through your maze using traps, towers, and godly powers.

"Chaos Strider" is a 2D side-scrolling pixel style Roguelike shooting game. You will play as a Strider challenging the Chaos Realm to obtain corresponding rewards. Choose your weapons, select challenge levels, enhance upgrades, reforge and fuse, fight, and seize treasures.

A combination of platforming with a gravity gun, BEEP is an amazing physics-platformer. Despite its friendly art style, this is a hardcore platformer in the truest sense.

Use the last remaining mecha to fight against massive undead hordes. Mine blocks for upgrades and combine them in surprising ways. Defeat the Evil Skullhead.