Top similar games like Psion Protocol:

DOOM SWEEPER is a 2D pixel-style game. Clean up the approaching zombie climax, and exchange it for cash, embarking on a journey to become an arms dealer in the apocalypse. Complete the game, unlock more items in the shop, and achieve various achievements to obtain different CG!

Cyberscape is a top down round based action game with some rougelike elements. Play as different heroes with unique abilities and fight against the evil robot army. Level up and complete achievements to unlock new items and fight your way through different locations.

Collect stars and use them wisely to become stronger. Use each character's personality to establish a growth strategy. And survive and escape for 5 or 10 days.

Rightfully, Beary Arms is a bullet hell roguelite that is about much more than collecting loot, dying and losing everything. Carefully choose enemy upgrades against your own, then plan your dungeon crawl tactfully to gun through unique factions of enemies, strategically preserving loot after death.

Multiverser is an action game with rouglike elements, in which you defeat hordes of enemies who precede clashes with bosses. After each skirmish you gain currency, which makes you develop your characters stronger. All this to save the multiverse and clean it from all sorts of monsters.

Blaze a trail through a gauntlet of unique and varied bosses, in this rogue-like boss rush about smoldering want.

Bring It On! is a single-player auto-attacking 'monster'-hell shoot-em-up survival game. Take on MASSIVE hordes of monsters across several locations, earning experience points to level up and acquire new weapons and items, and unlocking lots of unique characters!

Choose your character and face thousands of monsters as you fight with various weapons, in this casual game with roguelite elements, your choices will change the future and the present!

A cozy time survival roguelite in space. You steer the shippy while the shooting happens automatically. Meet cute NPCs, solve small quests, and fight quirky enemies with satisfying weapons. A shorter experience for people who don't have much time but love playing (and finishing) games.

Deep Space Scoundrel is a rogue-like space adventure where you use a variety of classic arcade mechanics to explore the universe, customize your ship, land at spaceports, and fraternize with other aliens and low-lives.

Deadlocked: an adrenaline-packed Cartoon top-down shooter. Customize your loadout with unique weapons, unlock fun little pets, and upgrade your character. Master responsive gameplay and become a cutesy robot killing machine, There's one rule, Defy Deadlock

Survive the relentless swarm in this arcade take on the Bullet Heaven'/Survivors-like Action Roguelite. Slay 1000s of foes, level up, loot chests and make your character more powerful than ever. Unlock perma-upgrades and more heroes, so you can even the odds on future runs.

Welcome to Slime 3K, an unhinged roguelite bullet-heaven set in the Despot’s Game universe! Build a deck of crazy weapons, grow stronger and devour hordes of pink puny humans as a murderous jelly blob on a warpath of death, violence and pretzels.

Gacha Fever is a bullet heaven suvivor in a cute and colorful universe. You will fight waves of monsters with various weapons, from the machine gun to the magical girl wand and the Buble Tea Canon ! Just be careful of the area !

Action roguelike where you build and command your own spaceships. Battle enemies, explore planets and customize your ship on the fly. Make the best use of the quirky ship modules you find, ranging from slingshots to ion cannons, to try and avoid certain death.

Blast the UFOs that appear in space to earn XP and gold. Spin the spinner earn more gold. Open cards and buy new equipments or abilities for your SpaceShip . Advance through waves and try to reach the final boss.

Isometric Mech Action RPG Survival game. Customize your mech. Unlock new parts and ultimate weapon evolutions. Create endless builds with the unique RPG stat system. And much more!

Race through caverns while blasting away enemies and terrain to reach the depths of Mars in this reimagining of the 1981 classic.

A fast-paced arcade-styled shooter with permadeath! Arcade game difficulty, randomly generated runs, fantastic voice acting, colorful characters, and a simple yet unique upgrade system!

Ready for a blend of RPG and Tower Defense in a 2D rogue-lite game? Enter The Arena Pit! Choose your hero, wield powerful weapons and skills. Strategize your moves in the arena, setting traps, obstacles, and towers against hordes of monsters in the epic battle of good versus evil!

You are a destructive piece of junk and your goal is to run over your enemies using all kind of weapons, abilities and upgrades

Come and fight with Doobi to slay the evil monsters and bring peace to the family! Watch out, as only your strategies and upgrades will help you find the right set of combos. Let's venture deeper into the woods!

Mobmania is a four (4) player co-op real-time bullet-hell action rogue-like where you kill enemies, buy items after leveling up, and survive long enough against thousands of monsters and bosses until the final fight against the Witch.

Endless Firepower puts you behind the trigger of millions of procedurally generated weapons and gives you a reason to use them in this fast-paced action roguelike where everything is generated and you'll never know what or where you'll be fighting next.

an action-packed arcade shooter that takes you deep into the heart of a computer under siege.You're the system's last line of defense.

Now is the time for justice! In this Roguelite game, players will be able to learn spells, strengthen skills, use the currency obtained from battles to purchase items from mysterious merchants, kill numerous demon claws, and ultimately conquer this world!

Master gravity-defying flight mechanics and time-bending powers in this bullet hell rogue-lite where strategic depth meets intense gameplay. Unravel synergistic upgrades and enhancements as you stop the alien invasion from ever happening. Are you ready to dominate the skies?

Pilot mechs as you slaughter hordes of a diverse cast of alien ducks. Build your arsenal from a variety of mechs, weapons and items to survive in ever-changing scenarios.

Shoot through storms of weird and funny creatures, jump between planets by switching gravity, and relive the childhood fun of your very first arcade shooters - alone or with a friend in co-op!

Combine abilites to create infinite possibilities of spells and decimate thousands of enemies. King Krieg is a top-down arena roguelite where YOU are the KING and you buy mystical items, find powerful guns, and craft new spells

Cross blades with space knights in this epic physics-based roguelike where space-age and medieval combat collide. Die often, upgrade, and battle your way across the galaxy, defeating rival ships in methodical skirmishes on a quest to save your kingdom from destruction!

Guardians, an extraordinary action role-playing game that transports you to a captivating universe teeming with danger, discovery, and heroism. Immerse yourself in a sprawling, post-apocalyptic world where chaos-infected creatures roam, and the fate of civilization rests on your shoulders.

Defeat enemies and get parts! Build your own spaceship!

Coming soon!

DopeMine Arena is a Bullet-Heaven Roguelite. Simple controls and auto-firing weapons put the focus on levelling up and making good choices to survive the onslaught of enemies. Earn coins to increase the stats of your characters. Discover the weapons and items that pair together .