Top similar games like Unbeliever:

Slain: Back from Hell. A heavy metal inspired arcade combat with puzzle elements and gore galore. Stunning visuals and true old school gameplay accompanied by the most metal soundtrack you've ever heard.

Explore a silent, crumbling world in Silent Santicado! A retro journey through a fallen kingdom tainted by lost magic. Explore overgrown ruins, encounter a cast of peculiar characters, and defeat a menagerie of twisted enemies as you search for the source of Santicado's curse.

L'Artisan Meurtrier is an old school action/RPG game built around a rich and demanding combat system. Prepare to face the worst monsters and villains, to foil the most treacherous traps to honor your contracts and gain ever more glory!

Cleanse the infected in Plague of Yamorn, a 2D metroidvania. Explore the ruined town of Yamorn and uncover the secrets behind its downfall. Find and craft new equipment, offensive and defensive items. Exploit the plagues empowering properties to gain new powers and abilities.

Koumajou Remilia Ⅱ: Stranger's Requiem is a direct sequel to side-scrolling action game Koumajou Remilia: Scarlet Symphony, featuring characters from the Touhou Project, adored by fans around the world.

Embark on a dark journey in this 2D Adventure Game. Explore the treacherous isle of Am Balla and collect the tools necessary to overcome the many dangers set before you. Find out why turmoil has so suddenly stricken this land and put an end to it.

BUTCHER is a fast-paced, blood-soaked 2D shooter where carnage is the only way forward. Become a ruthless cyborg tasked with eradicating humanity, leaving nothing but blood, guts, and destruction in your wake. There's no such thing as too much violence in this grim, retro-styled gorefest.

Asterion Quest is an 8-bit side-scrolling action platformer, with classic retro mechanics and linear level design. Run, jump, and battle as Asterios, the Minotaur, on a quest for his lost beloved.

Defeat the forces of darkness and bring peace back to the kingdom of Valerond in this action-packed mini metroidvania.

A village in peril. A samurai reanimated. An Oni advancing. Fight an army of undead warriors and Japanese monsters as a human, a Kodama, and a cat in this 2D stop-motion action adventure.

Dive into a NES-inspired Action-Platformer with Metroidvania elements. Play as an Illuminati henchman battling fearsome bosses and unearthing secrets in an ancient castle. Fulfill your duty… but are you the architect of your fate—or just a pawn in a game someone else is playing?

Etherburn is a Souls-like action-adventure. Play as a hero resurrected in a mysterious and interconnected dungeon. Explore and face intense duels as you fight your way to freedom.

Templar is a 2D indie platformer and hack and slash game.

Death Slayer is a 2D Metroidvania-style platformer where you control Asura, a young swordswoman whose goal is to eradicate the evil that plagues her land.

A folklore-inspired, eerie action-adventure dungeon crawler about preventing a curse that requires your blood to complete. Master your weapon, explore a world brimming with items, abilities, and spells, and ensure that endless night never befalls your hometown of Elmwood.

Dive into the fairytale kingdom of Valora, a cute yet enigmatic Metroidvania, brimming with vibrant towns, enchanting critters, and hidden secrets.

A retro penguin platformer designed for Gameboy. Perfect for fans of penguins and anyone looking for a moderate challenge in a cold setting!

A short and simple 2D side-scrolling adventure platformer featuring an unlikely pixel graphic style in different worlds. Challenge and test your abilities with the game’s extreme difficulty. Overcome level obstacles. Solve puzzles. Defeat Trance' enemies. Win her battle. And acquire Trance' skills.

Welcome to Knight Fall, where every move is a challenge! Battle bosses as you climb through dangerous lands. Be careful; a single wrong move could mean the end of the journey. Will you beat the horrors or fall to the bosses on your daring quest?

Blasphemous is a brutal action-platformer with skilled hack’n slash combat set in the nightmare world of Cvstodia. Explore, upgrade your abilities, and perform savage executions on the hordes of enemies that stand between you and your quest to break eternal damnation.

A dark, gothic fusion of metroidvania and soulslike. The Last Faith thrives on merciless and precise combat with a huge range of weapons, firearms, and custom executions at your disposal. Let nothing stand in your way.

After receiving a disturbing letter from his brother, our protagonist decides to go looking for him at the hotel Beryl. He will soon discover the strangeness of the places, the objects, the paintings, the shadows and the terrifying models moving, speaking, living of their own will.

As the final creation of the Goddess, Juxtia, journey through the ruins of two divine kingdoms, overrun by the Tarnishing. Challenging combat, a hauntingly beautiful score, and a sinister narrative work in unison to make The Tarnishing of Juxtia an unforgettable 2D dark fantasy action RPG.

The old gods have forgotten this land. No one could save our people when darkness started spreading and collecting human souls for its army. Odallus is a classic exploration/action game, inspired by Ghosts’n Goblins, Demon’s Crest and Castlevania.

Embark on a pixelated journey of exploration, platforming, and intense battles in Dark Watcher. Unveil the secrets of a dark realm, unlock abilities, and confront formidable adversaries.

A 2D action/platforming adventure with a healthy dose of RPG elements set in the hostile world of Lor, a classic sword and sorcery setting. The slave-hungry Argeshii empire dominates the known world, old and false gods conspire; brutal combat is the only means of survival!

Gorble is a short marble-based dungeon crawl.