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Focus on performance

Performance concerns everything. Not only run time, but everything that has to do with creating a game.


Defold is a turn-key solution, providing everything you need to build a game.


  • Flip book animations for sprites, GUI nodes and particles
  • Spine bone animations with full support for blending
  • Keyframe events
  • Inverse kinematics in keyframes and dynamically scriptable
  • All sprite and GUI properties can be animated
  • Predefined or custom easing functions for all property animation


  • One click deployment to 6 target platforms (iOS, Android, HTML5, OS X, Windows, Linux) from the same code and content
  • Editor and tools running on Mac OS X (10.7 Lion or later), Windows 7 and later, Linux (Ubuntu LTS and Debian 7 has been verified to work)

    Version control

  • Git managed projects with easily accessible tools for synching changes through team
  • All data in easily merging text files


  • Small engine overhead (currently about 5Mb but the goal is to cut that down considerably)
  • Fast build times. All build targets, even HTML5, are completed in seconds
  • Static content dependencies gives automatic resource management. Only used assets are included in game builds
  • Sprite packing to atlases
  • Per platform configurable texture compression
  • Dynamic batching in the render pipeline
  • Asynchronous (or synchronous) loading of asset data


  • Fully scriptable rendering pipeline with low level access
  • Custom materials and shaders
  • Particle effects editor with live previewing of emitter and modifier behavior
  • Curve editor for controlling particle parameter changes over particle lifespan
  • Tile editor for building 2D level geometry
  • GUI editor
  • Layered GUI with text, images and pie nodes
  • GUI clipping/stencil masks
  • GUI image nodes support slice-9 texturing
  • Automatic GUI layout and support for orientation changes
  • Bitmap and distance field fonts
  • Truetype, Opentype and BMFont supported


  • 2D and 3D physics (Box 2D and Bullet) fully integrated
  • Precise collision detection
  • Static, dynamic and kinematic (scriptable) physics objects
  • Robust triggers


  • Ogg and Wav sound support
  • Hierarchy of mixers, fully scriptable


  • Turn-key software with no dependencies on other programs. No need for Xcode for iOS deployment
  • Hot reloading of updated assets and logic
  • Wireless hot reloading, debugging and visual profiling on device
  • Scene editor for assembling and laying out assets and logic
  • Crash report API on all platforms
  • Automatic refactoring of assets
  • Prefab construction of game assets with collections and GUI with templates
  • Stand alone build pipeline for custom workflows
  • Headless engine for automated testing
  • Library sharing between projects

    Debug & test

  • Hot reload with custom Lua hooks for setup and inspection
  • Live on-screen visual profiler
  • Remote web-based profiler with visual frame sampling
  • Lua debugging via Zerobrane
  • Built-in video capture of game footage
  • Native crash log API:s


  • Lua language fully integrated for expressing game logic safely and with good performance
  • Engine supports reactive-style Lua scripting for low overhead and great performance
  • Asynchronous communication between game objects


  • Google and Apple push notification APIs
  • Google and Apple in-app purchases APIs
  • Facebook APIs
  • HTTP and Lua socket network APIs

Featured Tutorials