Top similar games like Nucleuz Underground:

Battle your way through many levels in an epic journey to free your country from an enemy invasion in this 2D action game. Gather gold and buy more stuff, that you would not buy in real life.. like a double barrel shotgun with split-in-two-fire-two-ways mechanism! Or even a Jet pack!

Draw your sword and jump into a dystopian metropolis in this 2D action-exploration game. Hunt down giant robots and use their parts to enhance your abilities as you try to uncover the secrets hidden beneath the neon lights.

You find yourself in a futuristic dystopian city. You get the idea: Dark smog. A rogue A.I. Corporate drones. Actual drones. The whole enchilada. In this fast-paced 2D platformer, you play as Arisu, a Runner tasked to deliver the ambiguous Blue Rabbit "packages" around the city.

Moonless is a challenging side-scrolling platformer in the style of classic arcade games of the 1980s, where you control a helpless astronaut who has been left stranded on the moon, and now has to face an invading alien force to earn a chance to go home.

Super Slinger is a cute and funny pixelated arcade-like shooter where you fight against the alien invasion in an attempt to send them back home. Cute art, juicy gameplay, difficult stages, and SLINGSHOTS!

The definitive version of the smash hit Metroidvania-style action-platformer, Guacamelee! STCE adds new levels, powers, challenges and refinements to the sprawling, ridiculous, Mexican-inspired adventure of the original Guacamelee! Gold Edition.

The game is a story-driven 2D platformer, with some Metroidvania aspects, where the player determines the outcome of the game based upon their “Morality” score, which itself is based upon the player's decision to kill in the game.

"Havoc Runner" is a futuristic action and 2D platform game that will take you to Titan's moon to face killers robots, missile launchers, and automated weapons in a hostile environment where you must find and destroy the Tupan computer, preventing a missile attack on the planets of the solar system.

An infectious retro hardware classic from 2006 has been revived. Only you can save the world from the deadly virus known as Scurge.

Bazooka Cat is a platformer made with love inspired by old-school games of the 90s with the use of new technologies and game logic, but what if you add something like tactics to the platformer?

Harness the power of dark energy as you jump, slash, shoot and bombard your way through an army of alien soldiers and killer robots in an arcade style, twin-stick shooter with a slick 80's synthwave soundtrack.

The two primordial colors of pixels start a war after years and years of "Peace", many things have happened in this castle that is now being attacked by larger forces, will you as the King of this city let them destroy everything that is yours? WARNING: If you give up easily, don't buy this game.

Gemaboy Zero X is an action, exploration, and platform Cyberpunk Ploidmania videogame. It is the latest installment in the PLOIDS saga in which Omega will have to travel through time to preserve it and rescue his beloved Alpha!

Inspired by old NES games, Ragnar is a 2D run-and-gun action platformer that will be difficulty and fair. We would like to bring back the classic and retro feel to modern platforms and a new generation of gamers.

Little Red Rocket Ship is a bullet hell game with shoot-'em-up and platforming sections, featuring challenging but short levels and multiple weapon and ship options.

Forge your own path through a derelict station in this fast-paced epic adventure. Navigate the labyrinthine behemoth, form alliances with survivors, and uncover the secrets behind the mystery that befell this place.

A run-and-gun metroidvania set in Voivod’s dystopian universe. Battle biomechanical mutants, explore a twisted post-apocalyptic world, and recover fragments of your lost mind. Featuring pixel-art visuals, tight action-platforming, and Voivod soundtrack.

Penguru is a hack and slash game where you play as an angry Penguen. Choose your weapon from various options. Shoot, blow, cut and rip your way through waves of enemise. Reload and rest at the belly of a whale. As long as you present a Guru Level of Shooting you are welcomed at Penguru universe.

A fast-paced action platformer with non-linear world progression and level design! Challenging gameplay with 3 difficulty modes, 2 playable characters and local co-op! Fight bosses in any order and experience the world change with each victory, enemies become harder, faster and smarter!

Cone Punk is a challenging 2D platformer with 3D stop-motion characters, set in a whimsical post-apocalyptic world. Explore unique worlds, solve puzzles, and master precision platforming in this skill-based action-adventure game.

I wanted to make a game, so I did. This game is a 2D action game, hope you enjoy it

Jett Rider is an arcade shooter packed with action, exploration, RPG elements, tons of humor and awesome bosses. Explore, fight, gain experience, purchase weapons in this exciting adventure.

Your Infamous Harp presents OctoQuest, a mash-up of your favorite retro NES games. Play as a highly evolved octopus on an eight-fold quest to retrieve extraterrestrial mushrooms from subterranean caves. Experience a cerebral journey through the ruins of mankind set to a bass-heavy soundtrack.

Play as Cobra, the space pirate, in an action platformer. Along with Lady Armaroid, your loyal partner, and equipped with your iconic Psychogun, you must solve a mystery that could threaten the entire universe.

Enjoy this 2D metroidvania-like bullet hell platformer. Jump, dodge and traverse using your jet pack. Find weapons and abilities. Fight bosses and escape an old space station drifting through the cosmos. You are alone, with nothing but a space suit and a gun. Just keep going! Persevere and triumph!

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

"Galactic Outlaws" is a side-scrolling space shooter where you lead an elite squad on high-risk missions. Customize and upgrade unique ships, master devastating weapons, and battle waves of enemies in a galaxy plunged into chaos. Victory depends on your strategy and skill!

Boost and grapple around a cyberpunk cityscape in Kinetic Breakthrough, a high-speed metroidvania. Use your momentum to break through windows, destroy drones, and confront the artificial intelligence that keeps the city under its control.

Brutal, savage, acid 2D action, where skill of shooting and movement need to be win.

Experience the thrill of a shmup game like the arcade classics. With just the right amount of story, lots of action, and many, many bullets.

Follow a young Kewtian called Starter as he barrels through tons of boss fights, explores colorful environments, and meets strange characters in this action-packed Metroidvania adventure!

Explore and uncover the mystery of this enormous spaceship by shooting alien creatures in this Sci-Fi Action/Adventure Metroidvania.

A new era of physics based platforming is about to begin. Play as fusion powered killer android Lazr, facing off against rogue AI and mega-corporations in Alpha City One.

Explore a dark and sinister Osaka as the Demon Hunter Shin. Battle demons, regain lost skills, and uncover the truth of your forgotten past in this exciting occult-inspired cyberpunk metroidvania.

“ Do You Like Dying ?” Lucky Joe is a unique action game that combines shooting and platforming in 60 large 2D levels. Core gameplay easy to learn but hard to master, intense gunfights, a touch of humor, tons of enemies, a bit of reflection, great sound tracks… Try, die and retry...

Slow time to a crawl as you pilot your super charged space craft through randomly generated waves of enemies, defeat huge bosses, and explore a cyberpunk planet with a flunking college football captain and his team's feline mascot Nova!