Top similar games like Echo Protocol:

Laserpunk is a fast-paced top-down action roguelite where every round forces you to adapt. Blast through waves of enemies with powerful lasers, choose dangerous flaws, build around their weaknesses, and survive as long as you can.

Dungeon Sucker is a 2D roguelite shooter. For the upcoming dungeon inspection, the Demon left for her summer vacation and entrusted the cleaning to an agency. Armed with the “Mighty Vacuum,” you can absorb anything that stands in your way. Clean up the chaotic dungeon—if you can!

You are a friendly-but-deadly Mech on a journey searching for your missing pilot in this action-packed roguelite shooter. Choose your missions and rewards, research skills, equip expansions, mod your weapons, install plugins, customize your looks and stylishly cut your way through hordes of evil AI.

This lightning fast arena shooter brings you right back to the highscore hunts of the arcade era. Use your arsenal of deadly weapons wisely against the increasingly ferocious monster hordes to survive as long as you can.

Choose your ship and command it against an army pitted against you in this wave-based arcade-style bullet hell space shooter. Fight for as long as you can with powerups acquired through the catalog, and blast through everything in your path.

NEON STORM is a fast-paced top-down Roguelite bullet hell shooter. Pilot your fighter, auto-fire through waves of enemies, dodge deadly attacks, and build powerful upgrades. Survive each run, unlock permanent upgrades, defeat bosses, and chase your highest score!

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

A horde arena shooter where you control the weather to dominate the battlefield. Build synergies, survive waves, and unlock 50 characters — from vikings to terminators — each run shaped by storms you create and conditions you can't fully predict.

Bullet hell meets auto-shooter in this roguelike color-matcher where RGB itself is your weapon! The Maiden of Light has been captured by the forces of entropy. Six challenging bosses stand in your way and only you can save her!

Gunstorm is a space shooter loaded with playability. Wave after wave of alien craft attack your agile ship. Use the mouse to control your ship at the speed of thought in a perfectly balanced game that starts easy and gradually gets more difficult.

Swarmhunters is a top-down arena action shooter. The war between human and bugs has become worse - Project Swarmhunters emerged at this situation. You play as the best space soldiers in the galaxy and your mission is to strike the hive and hunt down the Emperor, supreme commander of bugs.

KLAST is a fast twin-stick bullet-hell roguelite where every run transforms your ship. Chain kills, rescue survivors, collect powerful upgrades, and conquer three distinct campaigns filled with shifting arenas, relentless swarms, and colossal guardians.

A sci-fi twin stick shooter stripped down to the bare essentials with focus on smooth controls and satisfying action.

Space Ace is a 2D top-down shooter that focuses on upgrading your ship to fight through levels of Bosses and smaller enemies. Play with keyboard + mouse or Xbox controller.

Riot Ride is a car-combat roguelike where you play as a car in retro and Tron-like vibes. Speed, drift, and pull off the craziest maneuvers while crushing challenging enemies and bosses with endless synergies of weapons and items.

A fast paced singleplayer arena shooter. Choose one of three goals to win each stage, try different maidens and defeat 10 bosses on the way to meet the devil on stage 66. What's the highest score you can reach?

Heliocide is a relentless top-down scrolling action! Arm your shields, lasers, guns, bombs and missiles to defend the solar system from a massive invasion!

A fast-paced bullet heaven action roguelike set in a futuristic arena. Face overwhelming enemy waves, evolve your build with powerful upgrades, and survive escalating instability that constantly reshapes the battlefield.

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.

A top down 2D space shooter bullethell with roguelike elements awaits you. Dodge, weave and shoot your way through waves of enemies while gaining upgrades trying to survive as long as possible.

Don't kill your enemies — make them collide!! Unleash devastating chain reactions and wipe out endless hordes in this one-man-army Roguelike arena shooter. Fuse classes, collect upgrades, and build a one-of-a-kind ultimate warrior with limitless combinations.

Comet Force is a Space Arena Shooter Action Roguelite. Build your camp, recruit to compose and grow your troop, collect upgrades and unique effects, fight enemies and bosses, and choose how the threat evolves. Keep your troop strong enough to survive all waves and close off the anomaly.

One prisoner. One hit kills you. Fight through 30 sectors of a space prison ship in a top-down roguelike shooter where every bullet can end your run. Reflexes, precision and dash — or die trying.

A casual rogue-lite shooter where you can buy upgrades to improve your run and defeat waves of enemies. Shoot tons of bullets and create different builds while trying to be as accurate as you can to get the best rewards!

Survive in space in this action roguelike with RPG elements where you use your strategy to combine design, weapons and passive skills, shaping your ship in your style, facing increasingly powerful enemies.

Cards and Guns is a top-down arena shooter roguelite, where you’ll have to defeat hordes of creatures. Choose from a variety of cards and upgrades to create unique builds and survive to the end.

Kill all enemies, Upgrade, Repeat! Defeat thousands of enemies in this incremental roguelite and become unstoppable as you progress through the game.

BotKill is a fast paced top-down arena shooter where you face endless waves of deadly war machines. Scavenge debris from fallen enemies, upgrade your arsenal, and unleash destruction in an all-out bullet hell against ruthless bots and towering bosses.

Max Raider is a top-down 3D action shooter where you fight waves of enemies on procedurally generated arenas. Rest and prepare for the next series of waves by buying a variety of weapons and items from your allies. Protect the Bunker, your only hope for a home.

Gunmancer is a science fantasy roguelike top-down shooter. Summon guns as you shoot your way through mysterious randomly generated dungeons full of ancient forbidden magic of guns and dangerous monsters.

Saucers is a rogue-lite top-down twin-stick arena style shooter featuring extensive weaponry and upgrade paths so that every run is unique. The further you get, the more weaponry you can stack up to devastating effect. THIS GAME REQUIRES A TWIN STICK GAME CONTROLLER TO PLAY.

Become the predator through precision movement. Dash, reposition, and strike through relentless enemy swarms in a fast-paced sci-fi action shooter where positioning, timing, and skill decide every encounter.

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

Vault Apocalypse is a top-down, roguelite twin-stick arena shooter where you fight hordes of monsters while assembling powerful, synergistic builds. Pick your weapons, refine your build and destroy the keepers of the vault.