Top similar games like Er-Spectro:
Er-Spectro $0.99
Defeat 7 bosses in this radial Shoot 'em up game to obtain full power of color spectre and defeat hidden evil.
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Chaos Town$4.99
Chaos Town is a top-down chaotic shooter game where everything is destructible!

NANOFORCE tactical surgeon fighter$7.99
Climb into the cockpit of an overpowered micro unit and fight against an invisible enemy that threatens the Human race. Progress through numerous enemy waves and bosses across more than 7 levels filled with action, secrets, and more !

Holua's Arcades$4.99
Get ready to dive back into the pure joy of gaming. Prepare yourself for four thrilling games inspired by the arcade genre's all-time favorites. From challenging platformers, to epic space battles and classic beat'em up action. It's like having four arcade machines at your fingertips!

V.R.G.$3.5
V.R.G. is a FPS cross between a retro-style and a modern-style , Defeat enemies and get combos to improve operability, and eat scatter pieces of meat to recover.

The Holy Chalice$2.99
The Holy Chalice is a fast-paced top down roguelike based in a fantasy world. You are a goblin shaman whose village has just been attacked and the villages holy chalice has been stolen by the evil entity. Fight different bosses and explore a fantasy world in this shooter roguelike.

King of Ping Pong: MEGAMIX$6.99
Table tennis meets arcade fighter in this fast-paced action-packed journey to become the best in the world. Defeat a series quirky characters utilizing quick wit and precise timing to secure victory in increasingly challenging matches!

Elysium Trials$8.99
Skill-based Fantasy Shooter on rails with an Epic touch, how you defeat enemies matter! Shoot, unleash powerful lightning magic, and Dragons, beware of dragons as you battle through 8 unique enemies all with unique attacks in vastly different worlds with an epic fantasy rock/metal soundtrack.

Call of Sentinels$7.99
An innovative blend of Bullet Hell and Survival elements, high dynamics, variable builds, arena competition with players from around the world. Beautiful hand-drawn graphics. Twitch integration for streamers, allowing viewers to influence gameplay.

Binarystar Infinity$4.99
Binarystar Infinity is a 1-Bit Shoot ‘Em Up with a challenging experience reminding of the traditional Arcade Shmup classics, that can be experienced alone or with a friend, and with the particularity of being playable in vertical or horizontal scrolling mode.

Skybreakers$8.99
Skybreakers is an action roguelike thriller. Choose from various characters, arm yourself with a vast array of weapons, and create your own unique build by combining artifacts, random talents, abilities, and bonds. Plunge into exhilarating combat and use unique abilities to defeat the evil.

Protect the Earth$3.99
You are the best pilot in the space force and the earth needs you to protect itself from an alien attack. Protect the earth and then go to the invader's planet to finish them off once and for all.

BlockRunner : The BlockSide$2.99
Get ready for an adventure in this fast-paced bullet hell game!

Ninjin: Clash of Carrots$9.99
Ninjin: Clash of Carrots is an anime-inspired beat-em-up with varied enemies and deep customization. Play as the rabbit Ninjin, or Akai, the ninja fox, and fight to retrieve the carrots stolen by Shogun Moe! Redeem carrots for weapons, upgrades and more! Supports 2-player online or local co-op.

Astrodogs$12.99
Astrodogs is an on-rails arcade action game featuring a cast of space dogs that have to save the galaxy from WOOFER, a corporation that controls everything. Also ran by dogs.

Spell Defender$2.99
Spell Defender is a 3D, Third-Person, wave defence, survival Roguelite. Use magical powers to defeat waves of enemies. Each wave rewards you with a choice of a new power. Find synergies and combine these powers to create the ultimate defender.

Cheese GameFREE
Armed with nothing more than a dash and a hunger for survival, fend off the beasts that desire to slice you up and put you on a platter (with bread or crackers as a palette cleanser of course).

The Pit$6.99
Fight challenging bosses where you can evade each attack with a unique dodge while building up powerful combos. In a game that tests your reaction speed while making you feel untouchable.

Huge Enemy - WorldbreakersFREE
Huge Enemy is a horizontal Shoot ‘em up that takes place in a dark sci-fi universe with Japanese influences.

Tower of Guns$14.99
Tower of Guns is a fast paced first-person-shooter for the twitch gamer... with a few randomized elements to keep it fresh with each playthrough. It's a short burst "Lunch Break FPS"... not unlike Binding of Isaac mixed with Doom 2. Tower of Guns was made by a guy named Joe (with his brother Mike composing the music).

Antiprism$17.99
Antiprism brings classic shoot 'em up mechanics to VR and combines them with innovative single-player twin-ship gameplay. Control two ships at once as the pilots Jexen and Malik shoot hordes of enemies, dodge enemy fire, find and upgrade items, and beat hard bosses on their journey through The Gone.

Turf Wars: A Snail Escape$5.99
Strap on your shell and dive antenna-first into a thrilling action roguelike. Spread slime, snag upgrades, and splat bugs. You only have one mission: escape the garden or dry trying...

Zeroptian Invasion$2.99
Zeroptian Invasion is a classic shoot 'em up with mechanics from other arcades of the 80’s. Travel back in time with this unique pixilated experience with an incredible soundtrack in chiptune.

Solar Survivors$4.99
Bullet hell meets bullet heaven. Build the ultimate space fighter as you uncover clever strategies and hidden synergies. Solar Survivors distills the deep strategy and progression of an RPG into quick, arcade-like sessions.

Fly Fly Tank$11.99
Fly Fly Tank is Chaotic Tank-Based Third Person Shooter Action Game! The purpose is to move around 3D Stage and defeat certain number of Enemies. By accumulating Scores, you can Level Up Weapons and By defeating Boss, you can use Boss's Weapon. Super easy operation with only arrow keys and mouse!

Clearing Blade$8.99
Rescue your companions from the battlefield and escape together! Experience the thrilling combat of Roguelite Hack and Slash!

Okhlos: Omega$12.99
Squeeze into your toga and slide on your sandals to rally the angry mobs of Okhlos and bring down the oppressive god of mythological Greece!

PAPER FIRE ROOKIE (Formerly Paperville Panic)$9.99
Winner Australian Video Game Developer Award 2019 VR Game of the Year. Voted by Kotaku reader poll as Australian Videogame of the Year 2018. Built exclusively for VR - fight fires, shoot water pistols, blast water shotguns, power water gattling guns, battle bosses and axe & smash your way through buildings.

Desktop Table Tennis$7.99
Clear your desk for an all new way to play ping-pong! Settle the score with a Rainbow Smash!

Aether Drift$0.99
Aether Drift is an Arena-Based Bullet Hell Arcade game with an emphasis on speed and intensity. Fight your friends in intense Multiplayer battles, or work together to defeat Mobius's army! The game's endless Arcade mode ramps up difficulty over time, and challenges and cheatcodes keep things fresh and exciting!

Nex Machina$19.99
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.

Fantasy Survivors$6.99
A rogue-lite where you fight thousands of creatures, unlocking characters and equipment, to challenge deeper levels. Team up with friends or go solo; all drops are instanced so you don't have to share. Satisfying gameplay combined with smart choices make one-more-run a no-brainer.

Earth Overclocked$4.99
Earth Overclocked is a frantic rogue-lite adventure starring a scientist who is terrible at making time machines, but great at blasting bad guys. Use a diverse selection of weapons to fight off monsters while searching for pieces of your time machine in randomly generated environments.

Paper Flight - Super Speed Dash$9.99
Paper Flight – Super Speed Dash is an interactive game experience that is designed to ease your mind and have fun popping innocent balloons. You jump into the role of a little paper plane that is supposed to rescue the world from little but evil balloon demons by dashing through them.

Clan N$14.99
Fight alone or with your friends, master the art of battle and bring peace back to the land in this arcade inspired epic brawler!

Anti Air$12.99
Are you the new recruit? Well, grab your weapons and descent into battle on distant planets. There you will combat the Alien invasion called the Cubicon Conjunction. Waves will hit you so you better blast these invaders from the sky before they crash onto your base.How many will you take down?

FORCED SHOWDOWN$19.99
Deckbuilding empowers this challenging bullet hell adventure! Each character is a unique experience: Choose a deck of unlockable cards to boost you in new ways every battle - "My whirlwind shoots fireballs!?". Battle hordes of brutal foes to become a superstar in C-SAR’s ever-changing game show.

Solbane$6.99
Battle against bosses in a shoot'em up combined with RPG elements. Choose between three diverse classes, and create your combo build from a pool of over 50 abilities. The game features a variety of bosses that require different strategies and builds to conquer.

Eigengrau$9.99
A twist at every turn! Explore a colorful shoot 'em up with varied and diverse gameplay beyond the familiar shooting and dodging. Every situation, every enemy, and every boss offers a different handcrafted experience.

Radio Free Europa$7.99
A top-down 2.5D Arcade Spaceship shooter Roguelike. Multiple playable ships, each with different characteristics and weapons. Salvage weapons and upgrades from defeated enemies. Each sector brings unique enemies, bosses, and upgrades. Can you make it all the way back to Earth?

The Dark Realm$8.99
The Dark Realm is a fast-paced action-roguelike with bullet hell elements where you are put into a mysterious realm as a cat traveller. Traverse the intense landscapes picking up nifty new trinkets and gradually improving your gear. But stay careful, adventurer, as the Realm doesn't forgive...

Star Survivor$4.99
Star Survivor is a space-themed survival game that blends intense deckbuilding strategy. Pilot humanity's last spaceship through the vast galaxy, Unlock powerful weapon combos, collect card modules, and craft unique builds. As the enemy swarms grow denser, will you be the last one standing?

Teared$7.99
Embark on a thrilling 3D arcade action-platformer adventure in Teared. Travel through 9 challenging levels filled with epic bosses and a variety of deadly creatures. Are you ready for this epic journey?

Witch Thief$19.99
Play as the snarky Witch Thief, on her quest to steal all the magic she possibly can! Naturally those who have the magic don't want to give it up so she does what she does best. That is, kicking in the front door and taking it all anyway!

Overrun Survivors$6.99
Overrun Survivors is a fast-paced action roguelite game that throws players into the middle of hordes of aliens and asks them to fight tooth and nail in order to survive. Play through different alien planets and feel powerful knowing that you're the only one who can save the day!

Soulstone Survivors$9.99
Face the Lords of the Void and their endless minions, collect their Soulstones and become a god! In this Action Roguelite, unveil secret spells, craft mighty weapons, unlock multiple characters, discover game-breaking synergies and conquer the power of the void.

Flight of the Paladin$1.99
Flight of the Paladin is a fast-paced top-down shooter where you play as a knight of valor and light vanquishing the nightmarish creatures of darkness. Featuring multiple game modes, Steam Achievements and Leaderboards!

Fatal Wings$2.99
Fatal wings is a classic top down space shoot ‘em. Playing as the last resistance fighters from the similian colony in planet Lithios against a brutal attack led by vernor’s forces

Defenders of the Omniverse$9.99
DotO is a reverse bullet hell game with 80’s cartoon vibes. Play as heroes from across the Omniverse, battling the Dark Wizard Umbros’ hordes. Face epic bosses, collect powerful weapons, and create your ultimate build in vibrant, hand-crafted levels!

Stardust Galaxy Warriors: Stellar Climax$9.99
Stardust Galaxy Warriors: Stellar Climax is a fast-paced couch co-op action shooter with SHMUP/Brawler gameplay and RPG elements. Choose your mechs, weapons & upgrades then soar through space, defeat evil & save the future... from itself!

Lila’s Sky Ark$14.99
Protect a psychedelic world from bizarre beasts and punishing bosses in this poetic mystery filled with secrets, puzzles and music.

Turbo Overkill$19.99
Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!