Top similar games like Halcyon:

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.

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!

Nightmare Materials is a Pixel-Art Metroidvania with Combat, Puzzles and a lot of Exploration and discovering. As a Drone you explore a lost and mysterious World in search of the truth.

Work, eat and survive. In a dystopian future where corporations make the rules of society, SO-108 needs to earn money to survive, until a strange phenomenon happens and completely turns his life around.

Sect-Machina is a fluid, atmospheric bug-themed metroidvania rendered in a vibrant 2D pixelated style, crafted with meticulous attention to detail in its combat, characters, environments, sound, and story.

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.

Operation Hardcore is an action-packed 2D side-scrolling shooter inspired by classic twitchy action games of yesteryear, but with modern touches and conveniences.

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.

Welcome to AMAYA’s LOST SOUL. In this 2d Action Game you play as Amaya the daughter of an all and mighty great “CREATOR” the leader of the out raiders. You Amaya are tasked taking down a kingdom in this choice driven 2d action platformer.

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.

You're a person who has been getting bullied online, then you find a comment that looks positive and decide to click the link attached. An evil virus corrupts your computer and you have to try to get rid of it. Will you be able to do it?

A little but very fun and challenging platform game.

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!

A sci-fi head-throwing action platformer with bosses and platforming puzzles inspired by math concepts.

Accompany agent Steph, right hand of the revered forbidden flower, on the hunt for their final rival residing in the beautiful and glamorous casino, the Casa De Diamantes.

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.

Cybertrash STATYX is a 2D action platformer with elements of a tactical and set in a cyberpunk world. Run, jump, slide, and destroy enemies to gain experience points for upgrading your character, Jenet.

a hostile interpretation of the immersive sim, where nothing is planned, and everything works

The Monk is an epic adventure in the cyberpunk world. Blood, implants, brutality and fights. That all you can try by yourself

Help Saga in her quest for revenge. A Viking girl who has lost everything to evil will embark on an epic journey to find answers and put an end to the hordes of enemies ravaging her land.

A pixel-art sci-fi adventure set in the midst of a rebellion against a totalitarian regime, LUNARK is a modern take on the 2D cinematic platformer genre of the '90s. Run, jump, hang, climb, roll, and shoot your way through gorgeous and mysterious locations!

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.​

Narcotics Ninja is a fast paced action platformer with an emphasis on physics based platforming and high intensity combat.

A noir story of a tiny bird fighting in the colourless world of Grayland. Grayland is a story driven side-scroller game with unique art style. Fly and fight your way through the radiation filled lands, save your loved one and your children.

Explore digital world with a cute cat-girl named "Knuffi" in this 2D pixelart platformer. Navigate through a variety of levels, each offering unique challenges. An adorable adventure awaits!

Grab up to three friends for a lo-fi, bit blasting adventure! Fight your way through unique worlds and play styles to save the galaxy!

Unite the FELLAS and fight for FREEDOM!

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!

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.

You are the last hope for the remaining people on earth, a master creation filled with memories of a past life. You must end her rage and suffering before it's too late.

You appeared in this world, in an empty hub connecting four distinct areas. You don't know who or what you are, and there's just a lot of different levels that can become really interesting and challenging to go through.

The most wicked men that ever lived on earth. Authoritarians, dictators, and tyrants, from Hitler to Stalin, they are all back. Historical Invaders it's a fixed shooter game where you are the chosen one to annihilate the demons of our past and save mankind.