She calls to you in the dark. Slash, mutate, and fight through a nightmare world in this action-horror roguelite with evolving skill trees, deadly bosses, and multiple endings.

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About This Game

You wake up again. Your bones soaked in blood.

🩸 Wake Up. Die. Remember.

Heart of Bone is a 2D action-horror roguelite where every run is a fight for answers and a call for blood. Tommy awakens in a place where shadows breathe, and walls whisper. Survival is no longer his only goal—his shattered memories haunt him more with each failed escape. A voice echoes in his head, pulling him into deeper, more sinister darkness. It has awakened him through rage and trauma, to realize one single truth... this never-ending nightmare is about to be ripped to pieces!

You've been taken to the limits of your sanity, and there's no other option but to come back to life and figure out how not to die again. These things deserve nothing but revenge!

💀 Tear the Facility Apart

Slash through grotesque creatures, tear down walls, wreak havoc through the facility, and uncover the horrifying truth buried beneath the labs or at the top of the scientific food chain nestled with insanity. Each room drags you deeper into a nightmare: escalating rewards to face more ferocious and cunning enemies. Secrets and creatures waiting in the dark. Death repeats the cycle—but knowledge, skills, and her voice grow stronger.

Progression is constant and explosive. Tons of enemy types, abilities, weapons, and rooms mean no two descents unfold the same way. Whether you're facing mind-breaking horrors mid-playthrough or you feel untouchable, you can never predict what's waiting in the next room to shift your playstyle entirely.

🧬 Twist Your Body Into a Weapon

Experiment after experiment, death after death: mutate weapons, unlock grotesque bio-abilities, and twist Tommy's very body into a weapon of vengeance and truth. Progress through a skill tree that evolves with every run, giving you new ways to adapt your playstyle and specialize your build.

⚰️ One Truth. Many Endings.

Through a mind-bending setting and a story of multiple endings and branching paths, you'll experience every bit of hope and sorrow, every trap, every brutal death by even more brutal bosses. Though in your heart which still beats, you know there's only one truth, and you'll use every bone in your body to reach it.

After hundreds of trials and failed escapes, you now hear the voice through the gurgling of blood and the layers of dead flesh. Do you follow it? Do you give in to your rage and vengeance? Escape? Fall into the deep madness and horror of this place?

Tommy might have truly awoken, but the real nightmare has only just begun.

🩸 Core Features

  • Action roguelite combat: a constantly changing pace where no two runs or rooms are the same.

  • Skill tree & mutations: customize your abilities, weapons, and playstyle across every run.

  • MANY bosses: each demanding unique strategies.

  • Branching paths & multiple endings: your choices shape the nightmare as the world shapes itself around you.

  • Pixel art horror aesthetic: a haunting mix of retro visuals and dark atmosphere.

Stunning action: test your reflexes and speed through action-packed sequences and striking visuals.

Mature Content Description
This game contains frequent violence, blood, and gore presented in pixel art style. Players fight grotesque creatures using melee weapons and firearms, with enemies often bleeding or exploding into pieces. The dark horror atmosphere may not be suitable for all ages.

Mature Content Description

The developers describe the content like this:

Heart of Bone contains frequent depictions of violence, blood, and gore presented in a pixel art horror style. Players fight grotesque creatures using melee weapons and firearms, and enemies may bleed, break apart, or explode upon death. The game includes dark themes related to trauma, psychological horror, body mutation, experimentation, and disturbing environments that may be unsettling to some players.

System Requirements

    Minimum:
    • OS: Windows 10 / 11
    • Processor: IntelⓇ Core™ i5-4000 series, AMD Ryzen 1000 series
    • Memory: 4 GB RAM
    • Graphics: NVIDIA® GeForce GT 730, AMD Radeon R5 230
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Sound Card: DirectSound (DirectX® 9.0c or later)
    Recommended:
    • OS: Windows 10 / 11
    • Processor: IntelⓇ Core™ i5-8000 series, AMD Ryzen 5000 series
    • Memory: 16 GB RAM
    • Graphics: NVIDIA® GeForce® GTX 1050, AMD: Radeon™ RX480
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Sound Card: DirectSound (DirectX® 9.0c or later)
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