Top similar games like Opalescence:

Minestorm reimagined with modern gameplay! Blast through waves of deadly mines, gear up with powerful upgrades between levels, and dive into intense rhythm-based stages set to an original soundtrack !

Grab the fate of all life in your hands. Blast your way through the cosmos, destroying monstrous cosmic beasts and the space cultists summoning them, on your path to stopping your mother from unleashing the chaos realm upon the universe, in this sci-fi cosmic horror bullet-hell, STARR RINGER.

Time to bug out and blast back in this arcade shooter packed with waves of insects and UFOs. Fight through 50 challenging stages, grab power-ups, and chase the high score.

Mashup of classic arcade games.

In this Bullet Hell shooter, the more enemies you shoot, the more enemies spawn! Keep moving so you don't get surrounded, and shoot enough enemies to clear each level.

Oh no! Anxiety Bot has found himself in a meteor field! Try to help him survive as long as possible in this cozy, laid back arcade shooter. How long can you keep him safe?

You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

Earth is on the verge of World War 3. All life as we know it will be gone tomorrow. Take control of "Super Star Dan" to build a super SSD that can store every DNA on earth before the world goes up in flames. "Life Saver" is a twin stick shooter that you don't want to miss out on!

Dodge and shoot your way through waves of enemies. REVO is a high speed, neon drenched space shoot ‘em up inspired by arcade classics of the 1980’s. Collect pickups, unlock powerful, ammo hungry weapons, and defeat giant bosses.

QUICKERFLAK 2 is a retro-hardcore room-beater time-attack super fast-paced minigame.

A top down, twin stick shooter inspired by classic retro arcade games with loads of enemies, fast paced bullet hell combat, big boss battles and tons of bullets.

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

Escape the Maze of Malice in this frantic 2D top-down shooter!

In the vast depths of space, lies a man with a dark past. Setting himself apart from that old life, and seeking justice against wrongdoing instead of being the cause of it, Captain Righteous uses the Freedom Fighter, his trusty space fighter to search for and combat the evil Captain Buster!

Destroy hordes of strange machines that have invaded the forest. Yawnoc is a chaotic top-down shooter roguelite focused on immersion into the world of Conway's Game of Life and other cellular automata.

Bullet Shine is a high-speed arcade action game where survival means reflecting enemy bullets to wipe them out. Chain multipliers, rack up massive scores, and dominate the global leaderboards. Precision, reflexes, and strategy will determine if you rise to the top!

Take to the skies in this 2D depiction of World War 2 in the 1940's. You will be constantly under attack from Enemy war birds hell bent on taking you down.

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

Galactic Explorers is a top-down 2D retro space shooter inspired by early games such as Galaxian, and Asteroids.

Synth-wave styled physics based 2D puzzle shooter filled with nods to the golden era of classic arcade games. Think upside down Peggle crossed with Space Invaders and enemies crafted from the blended remains 70's, and 80’s gaming.

Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Royal Odyssey is a retro-style arcade space shooter where you pilot Prince Zayven’s ship through a deadly asteroid storm, blasting your way to survival.

Blast through waves of alien enemies in Project AionIX! Master your piloting skills, dodge, and survive in this fast-paced space shooter!

Maze 2D Pixel Game. To survive, Sora Amber must go through the mazes, running around the labyrinths and gathering energy dots to repair the important rooms of the abandon spaceship. Find super items that boost her strength, make her invisible and help her beat the enemies. Let's go! Sora chan !!

ZEROCRON is a straightforward, classical arcade Twin-Stick Shoot-Em-Up with a strong Commodore-Amiga-era feel. Blast asteroids and enemies to burning pixeldust!

A retro space themed local multiplayer PvP game which prioritises skill over luck. Kill your friends, get better weapons, kill them more, repeat!

Welcome to an epic world of endless carnage, where you battle alien foes at lightning fast speeds, and engage in mind meltingly epic boss battles. Immerse yourself in a beautifully hand crafted world, with visually stunning top down graphics and unlimited action packed levels.

In this unique top-down shooter, originally released in 1987, take on the role of the plucky little Biopton Nimrod, sent on a dangerous mission to rescue his friends from the 'Matrix' prison planets of the Cratons. Contains both the Amstrad CPC and ZX Spectrum versions of the game.

Blast your way through enemy territory and level up your versatile arsenal of high-tech weapons in this handheld game style retro shmup!

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

Refighter is a lightweight Rogue-like flight shooting and strategy game where players will control spacecraft to engage in battles in space, equipping various bullets and upgrading their levels. Face off against a diverse array of enemies and Bosses.

Challenging retro twin-stick shooter inspired by old ZX Spectrum games. Defeat all bosses and earn special power-ups before your lives run out.

Be shot and shoot back! Rule reversal type Shmup "Return Ace"What you have been given is the power to take advantage of the oncoming malice and return it.Please enjoy the unique sense of incompatibility, tension, and striking that the experience of bullet energy weaves.

GUN KING is a fast-paced top-down arcade shooter with unique gun mods that lets you play your way. Unlock and equip powerful gun mods to create wild synergies, amp up your firepower, and blast through hordes of enemies.

Shmup. Unlock. Customise. Experiment. Upgrade. Basilisk. Petrify. Easy.

Top-down shooter action for the Atari Lynx handheld console. WANTED: Hot gun for hire. Travel to several exotic and dangerous places. Discover several exotic and dangerous aliens and kill them. Kill lots. For cash. Buy more weapons and kill again.