jMonkeyEngine is a modern developer friendly game engine written primarily in Java.
Its minimalistic and code first approach makes it perfect for developers who want the support of a game engine while retaining full control over their code with the ability to extend and adapt the engine to their workflow.

Skullstone powered by jMonkeyEngine

Skullstone – a retro styled grid-based dungeon crawler RPG inspired by the good old titles such as Dungeon Master, Stonekeep, Eye of Beholder and many other classics. In a few words – a party of …
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jMonkeyEngine is a feature-rich engine capabale of creating both beautiful
and complex games, single-player or networked, on a wide variety of platforms.


  • Windows
  • Linux
  • Mac OSX
  • Raspberry Pi 3 (OpenGL ES 2.0)
  • Raspberry Pi 4 (OpenGL ES 3.2)
  • Android

Supported Model Formats

  • GLTF
  • OBJ


  • Support for WAV, MP3 and OGG file formats.
  • Buffered and Streaming support.
  • Global, directional and positional sounds.


  • Mouse and Keyboard
  • Touchscreen
  • Joystick/Joypad/Wheel


  • Batching
  • Instancing
  • 2D and 3D scene support
  • Level of Detail
  • Light Culling
  • Single Pass Lighting


  • Tween API with out of the box support for spatial, bone and morph animations
  • Stock Tweens availble:
    • Sequence tween: a tween that plays tweens in sequence.
    • Parallel tween: a tween that plays tweens in parallel.
    • Delay tween : a tween that just waits…
    • Stretch tween: a tween that wraps another tween and change its duration.
    • Camera tween: moves the camera…
    • CallMethod: calling a method on an object …
  • Animation Blending
  • Animation interpolation (interpolors for rotation, position, scale and time)
  • Hardware Skinning


  • OpenGL support up to OpenGL 4.5
  • OpenGL ES support up to 3.0
  • LWJGL2 and 3
  • Post Processing
  • Stock Post Processors
    • Water
    • Screen Space Ambient Occlusion
      • Supports Approximate Normals (50% faster)
    • Bloom
    • Cartoon Edge
    • Color Overlay
    • Cross-Hatch
    • Depth Of Field
    • Fast Approximate Anti Aliasing
    • Fog
    • Light Scattering
    • Posterization
    • Radial Blur
    • ToneMap
  • Unshaded Materials
  • Phong Lighting Materials
  • PBR Materials
    • Sphere and OrientedBox Probe areas
    • Light Probe blending (up to 3 light probes)
    • Supports both Roughness/Metallic & Roughness/SpecularGloss workflow
  • Vertex, Fragment and Geometry shader support
  • Texture Atlas support
  • Particles


  • Support for Java 1.8+
  • Use Kotlin, Groovy or any combination all in one project.


  • Bullet Physics
  • Minie Physics - A high-powered improved and up-to-date binding around Bullet with “soft body” support.


  • Networking API supporting UDP/TCP either with low-level Messaging or high-level RMI.
  • SimEthereal - A high performance library for real-time networked object synching


  • Lemur - a fast and efficient Jme-Native 2D and 3D GUI Toolkit.
  • JME-JFX-11 - A bridge to create a 2D GUI in JME using JavaFX 11.

Entity System

  • Zay-ES - A high-performance entity-component-system


  • DetailedProfiler - Displays timing information for various areas of your game to determine bottlenecks