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.

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.

Unite the FELLAS and fight for FREEDOM!

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

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!

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.

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.

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.

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.​

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

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!

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.

Code Arcturus is a retro inspired arcade-style action platformer, with aliens, robots, spikes, explosions, and lots of coins. Blast your way through levels, compete for the fastest times on the leaderboards in Speedrun mode, or put your skills to the ultimate test in Nerfed mode

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

GUN DEVIL is an explosive platformer about rescuing your kidnapped hell wife from Satan's child, the Caramelized Dumbass and his Pimp Legion.

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.

Oplitak is a game that combines various game mechanics such as 2D platforms and 2D shooters. The combination of cartoon-style graphics, dynamic gameplay and easter eggs make the game attractive to both young and old school gamers.

Fight with light against the dark in this "roguelight" platformer starring Victoria Bloom! Drive back the darkness that's overrun Bloom Manor and conquer swarms of creatures as you discover powerful new items to upgrade your arsenal. Are you ready to enter the ever-changing manor?

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!

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!

Take on a howling challenge in Full Moon Rush! This classic shoot 'em up is a bullet hell masterpiece with a boss rush twist. With 15 epic battles and old-school graphics, you'll need expert shooting skills to survive. Customizable health and Assist Mode make it accessible to all.

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.

Something great is coming! Something extremely Gigantic and Adorable!

CometStriker DX is a fast-paced arcade-style shooter where you boost through danger and blast everything in your way!

Run-and-gun action game with multi-stage boss battles. Play as Chester, world's most badass guinea pig, who is hell-bent on a quest for revenge.

Probo Rush is a classic shoot 'em up bullet hell game with a boss rush twist. Fight against machines, aliens, and nature as you take on 15 challenging boss battles. With adjustable health and an Assist Mode, Probo Rush offers a challenging but accessible gaming experience.

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!

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.

Run and gun while you shoot down hoards of alien space ships in a bullet hell shooter/endless runner. Upgrade your gun with various power ups and weapon types like rockets, grenades and lasers. And finally defeat menacing boss ships to save the world from the scourge of alien invaders.

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

Equan, the Watchful Guardian is a challenging retro platformer in which players control, Equan, an intergalactic soldier, racing against time in a hunt for eldritch monsters before they destroy the universe. The problem is, Equan keeps finding himself dead.

A complete compilation of all four freely released games in the PENS series, each featuring drastically different gameplay styles. Action, comedy, drama and pure ridiculousness await in this cartoony story!

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.

Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.

Ogre Man is a challenging retro inspired 2d Action Platformer. You get to pick the order of the levels, and earn new abilities from defeated bosses. It has fun original characters and music.