A cozy 3D tower defense where every hit makes the bones fly! Build and upgrade towers, give them specializations and blast marching skeletons into bouncing, physics-driven bones. Watch the skies for flying skulls and defend 10 levels across meadow, snow and desert.

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About This Game

Make the bones fly!

A cozy 3D tower defense set on small hexagonal islands. Waves of skeletons march along winding roads toward your castle: build towers, upgrade them and find the right mix to stop them. Every hit shatters the undead into physics-driven bones that bounce, tumble and scatter across the island.

Build, upgrade, specialize

  • Upgrade your towers and choose a specialization for each one to shape your defense
  • Adapt your defense as the waves grow and change
  • Not every tower can hit flying skulls: keep an eye on the sky!

10 levels, 3 biomes

Defend 10 hand-crafted levels across green meadows, snowy mountains and desert dunes. Guard forking roads, hold back ever-bigger waves and bring down a giant golem. Choose your challenge and hold the line!

A living diorama

  • Weather for every biome: gusts and petals, snowfall and frost, heat haze and sandstorms
  • Photo mode with free camera and tilt-shift focus, to capture the perfect bone explosion

Play your way

  • Full controller support (Xbox, PlayStation, Nintendo, Steam Controller)
  • Designed for Steam Deck: 16:10 support and a dedicated graphics preset
  • Interface in 21 languages

Music

"Celtic Impulse" Kevin MacLeod
Licensed under Creative Commons: By Attribution 4.0

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Most of the game's code and the Steam page artwork were made with the help of AI. The farm animal 3D models were made in Blender with the help of AI tools (Astra and Claude). The game does not generate any AI content while you play.

System Requirements

    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Quad-core x86_64 with SSE4.2 (e.g. Intel Core i3-6100 / AMD Ryzen 3 1200)
    • Memory: 4 GB RAM
    • Graphics: Vulkan 1.1, DirectX 12 or OpenGL 3.3 compatible, 2 GB VRAM (e.g. NVIDIA GeForce GTX 950 / AMD Radeon RX 460 / Intel Iris Xe)
    • Storage: 500 MB available space
    • Additional Notes: Use the Low graphics preset at 1280x720 for 60 FPS.
    Recommended:
    • OS: Windows 10 / 11 64-bit
    • Processor: Intel Core i5-8400 / AMD Ryzen 5 2600 or better
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 1660 / AMD Radeon RX 5500 XT or better, 4 GB VRAM
    • Storage: 500 MB available space
    • Additional Notes: 1080p at 60+ FPS on the High preset. 21:9 ultrawide supported.
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