Top similar games like Er-Spectro:

EXTREME! retro side-scrolling shoot 'em up with a colorful twist! Become one with your controller, learn all rocket colors by heart and master a unique color-based destruction! SHOOT DIE RESPAWN! And most importantly... NEVER GIVE UP!

Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as SHMUP veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and SEVENTEEN playable ships.

A combination of Breakout, Shoot Em Up, and Baseball, Aliens Go Home Run puts you in the shoes of a young baseball player versus a horde of invading aliens. Play ball!

Red Horizon is an addictive space shmup game. Heavily influenced by the classics of the past, Red Horizon takes a modern spin on the genre combining it with some subtle Rogue-like elements to provide players with a unique experience every time they play.

ROAD DOOM is an arcade bullet-hell with a cheesy story. On a quest to defeat the four horsemen, blast your way through evil beings with skills of immense power. Unleash your wrath!

ASTRO: The Beginning is a dynamic side scrolling shoot 'em up about a close-knit space team caught in a clusterf*ck of epic proportions.Unravel the evil plans of your foes and secrets of world order while taking down various types of enemies and engaging in crazy boss battles.

A challenging arcade game about dual-wielding and interactive music that will have you going "just one more try!".

Complete tasks and survive the oncoming enemy waves for as long as possible! Are you good enough? Are you a frequent flyer?

Railgunners is a shooter built to highly customizable difficulty levels. Fight your way through hundreds of enemy ships, and help humanity fight back against the alien invasion!

Steel Alcimus is a top-down helicopter shooter. Complete various tasks with your ally aircraft; such as saving the carrier, taking down the buildings, carrying objects, etc.

Exit the Gungeon is a small, spin-off 'dungeon climber' immediately following the adventures of the misfit Gungeoneers.

Offendron Warrior is a retro arcade that combines shooting and defense. Your objective is saving Offendron civilians in the planets from the group of enemies, who are trying to spread a virus that turns Offendrons into mindless killing machines and eventually destroy the whole planet.

Pentasma is a side-scrolling arcade shooter inspired by Williams Electronics' 1981 classic 'Defender'. Protect The terraforming Humanoids from the deadly Aliens and raid the Alien planets to keep the galaxy peaceful!

Skillfully pilot the Graceful Explosion Machine, a fighter ship armed with a ludicrously overpowered quad-weapon array! Lost in deep space, you'll shoot, dash and combo your way through jewel-hued uncharted planets, fighting an alien armada to find a way home.

Pilot a gravity-defying craft at blazing speeds. Pull off aerial acrobats using stackable weapons to survive the swarming Bandits. Retro arcade action and out of this world flight control! Now with Co-op!

Your job is to locate and transport the containers to your base avoiding enemies on your way. Your ship is equipped with a hook to carry the containers. This is a physics based arcade game, inspired on the very early classics and with a strong Commodore 64 feel on it.

The world has gone mad and Flint Trucker must go down a long, creepy road to get back home and save his beloved Angelina. Blast your guns across different scenarios to fight hordes of ravenous beasts and bloodthirsty enemies.Will you survive?

WE ARE DOOMED is a twin-stick shooter where you zap polygon baddies with an absurdly overpowered laserbeam. Dive head-first into the action with reckless ambition, charge the SUPERBEAM, and zap everything out of existence in an instant.

"Murasaki" is a puzzle explosion game. Use explosions to clear the screen of pesky obstacles filling it up. The only controls you need are the directional buttons and two other buttons (Z and X)!

Tiamat’s Drink is a shoot ’em up roguelike game inspired by the 16-bit era consoles. Fight against powerful enemies, defeat unique bosses, unlock challenging levels and obtain extra powers! So get ready and don't forget to enjoy our exclusive soundtrack!

GUNKID 99 is a fast and frantic 2D arena-shooter that will seriously challenge your skills and reflexes. Craft your own unique play-style and develop crazy combos​ with numerous weapons and abilities at your disposal! Lay waste to endless hordes of enemies and get that top score on the Global Leaderboards!

Super Bit Adventure: Paragons of Life is a perma death dungeon crawler where you take on the role of a mysterious hero that survived a battle inside of a magical prison. Enter the prison and discover what happened on that fateful day and collect the powers of fallen adventurers along the way.

When you have no weapon, no magic and no help - just dodge. Complete a set of trials to prove that you are a Dodge Grandmaster!

Gun your way towards survival in this action arcade adventure! Use your fuel supply to find upgrades to your ship and collect more fuel to keep progressing against harder and harder foes! Classic arcade action with a unique control scheme to pilot your ship.

Fight through immense waves of enemies and test yourself in this difficult, top-down shooter. Swap between short and long-range weapons to tackle any situation. Unlock and upgrade dozens of weapon combinations to customize your loadout. How long can you survive before you get OVERRUN!

Shoot ’em up, with beautiful 2D pixel art, addictive shooter gameplay, classic levels and weapons that will let you perform a symphony of destruction of the alien base in the black eye galaxy.

Can "Super Meteor" save the universe from the space debris created by the development of space by the people of Earth?

Kamakazzzbee is a tiny yet taxing arcade game about a belligerent bee, and his testing trial of demolishing all flowers. Weave through horrifically cute pixelated hordes, in hopes to flatten the final flower…

Drift through the interstates and sideroads of this open game world, win street races and try to avoid traffic and police.

Inspired by the games we grew up playing on the Atari ST and Genesis/Mega Drive, Altorius is a hybrid 2D twin-stick shooter with platforming and puzzle elements. Includes two full gameplay modes for near-endless gameplay!

A throwback to the classic quarter eating arcade games of the 80's. Bit Blaster XL is a retro styled, addictive, and fast paced arcade shoot 'em up! (shmup).

Hyperbolic Ignition is a 2D multidirectional bullet hell-like shooter about a wandering pilot trying to return home. By utilizing wormholes, enter and evade combat against hostile spaceships, machinery, sentient crystals, and remnants of warfare.

The Japanese just love their famous German-inspired Baumkuchen cakes, and hungry invaders from across the universe have discovered these delicious treats too! Are you up to the challenge of protecting the precious desserts from waves of alien attacks? Save the cakes!!