Top similar games like Operation Hardcore:

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.

Zagu Espionage is a single player, 2D side-scrolling action-adventure game where the player takes on the role of the main character, Zagu, a spy from the Tracha colony, who is traveling to seven different regions to defeat the Rogan empire.​

Unite the FELLAS and fight for FREEDOM!

Random Heroes is an action-packed 2D side-scroller platformer. Blast through this action-adventure hero shooter inspired by classic retro games, and stop an alien invasion by teaming up with a bunch of, Random Heroes.

Sci-fi 2D shooter platformer combining the control of a human character and an armored vehicle on the surface of a planet filled with robots and immortal local inhabitants

So you know that one rover that landed on Mars? Yeah this isn't that.

A pixel-art platformer adventure game with lots of action and a memorable story.Dive into the depths of planet Anyaroth and free its people from the tyranny of the Queen. Join the Rebellion and fight against the Regime’s mind-control system. The anya civilization needs you!

The earth has been invaded by aliens, and even though they are still in training, a group of soldiers are trying to save their city while trying to understand why it happened so quickly.

Brave Soldier: Invasion Of Cyborgs is a pixel art platform game with a lot of action. Help the soldier save the world from the Cyborg Invasion! Good Luck!

Astro Planes is a sci- fi fantasy space shooter. Laser blast your way through space and use powerful missiles to neutralize the enemy with explosive chaos and use your dashing ability to evade enemy fire.

Mega Man is back! The newest entry in this iconic series blends classic, challenging 2D platforming action with a fresh new visual style. The new Double Gear system boosts Mega Man's speed and power for a new twist to the satisfying gameplay the series is known for.

A pump-action 2D side-scrolling game with different enemy types. Along with a jump-to-the-roof mechanic that spices up the combat. Avoid traps, survive enemy encounters, and upgrade your weapons and gear to overcome the challenges.

Arsonist Heaven is a retro-styled action platformer where you as a mercenary equipped with a jetpack and flamethrower will incinerate mutants in dangerous locations.

SJ-19 Learns to Love is a short boss focused metroidvania about a killer robot who learns to love~ 💕 Explore, defeat bosses, and gain the power of LOVE!

The world is under a frantic alien attack. Amidst the chaos and with the army virtually subdued, the deadliest and most inconsequential pair of specialists are called upon to do what must be done. Join the war hunting aliens around the world and in every way possible.

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.

A NES hard game, made to run and play on original hardware. Ported to the PC. 7 hard and unique levels. An original gripping ChipTune sound track! 8 bit glory in this side scrolling shooter platformer!

Mika's Battle S is a 2D platform action game based on the story of a warrior who has been commanded to defend Sunshineland territory against the attacks from the enemy soldiers belonging to the Rogho Corporation.

Welcome to Cone Flyers Mercenaries! Fight many dangerous enemies, delve into deep dungeons, and pilot your cone ship with precision platforming and a unique combat system in this tough as nails bullet hell.

A resident of Rio de Janeiro, who fights against the chaos of violence and the domination of corruption and will do anything to win this fight for justice.

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 year is 2506. A vestige of humankind, you’ve been sent to Earth on the faint hopes that you will find more than the corpse of a once hospitable planet. Instead, you find a landscape blooming with lush, mutated new life.

In this 2D platformer game, get your gun and shoot all monsters in your way or just run away to the exit.

Become the all-powerful Gunboat God in this fluid shoot 'em up. Carve the waves as you stylishly fight hordes of monsters in hundreds of quick-fire missions. Transform your Gunboat and upgrade your weapons, skills and abilities to take on giant, challenging, multi-stage bosses!

No talk, compadre. It's Animal Kostume time! Follow kroc-boy in his path to overcome a series of difficult levels in this hardcore 2D platformer with a lot of enemies, bullets and surprises.

With the power of gravity manipulation and bubblegum, the Bubblegum Bandit wreaks havoc and takes revenge! Steal from evil robots and blow up their ships!

A micro party game where one person controls the movement and another person controls the shooting.

Way In The Stars is a real adventure! Find the reasons for the disaster, save the ecosystem of the planet and colonists, and start your own way amongst the stars!

A fast-paced platform shooter inspired by 90s classics. Follow Robot-X on a journey to protect the city from a new danger, fight bosses and jump over pits in this retro experience.

Join Flewfie and friends on an epic side-scrolling adventure! Zap, beam, and fly your way through unique worlds and put an end to Uzzu’s chaos!

With the desire to return to Earth, Apollo knows that his intelligence and the laws of gravity will be his greatest allies in solving puzzles, crossing space and protecting himself from dangers never seen before!

Baseless is a challenging planet-jumping shooter where shooting = movement! Blast from planet to planet with 360° gravity, creatively demolishing every enemy in your path. Fire powerful weapons, rescue cute friends, and discover a galaxy worth fighting for!

Once every thousand years, the Silver Night Festival held in Gensokyo! Strengthen your Hakurei Reimu and enjoybullet hell!