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Defold

Defold is a free, source-available game engine for developing cross-platform games.

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Product features

Product features

AI coding agents

Guidance on using AI coding agents with Defold.

API Reference

Comprehensive API reference for C, C++, and Lua modules.

Built-in editor

A comprehensive editor for scene editing, code editing, and project management.

C API Reference

Comprehensive C API reference for Defold engine modules.

Community MCP integrations

Community-provided MCP integrations.

Compute Program

Create and use compute programs in Defold.

C++ API Reference

Comprehensive C++ API reference for Defold engine modules.

Cross-platform development

Develop games for multiple platforms including desktop, mobile, web, and consoles.

Extension API Reference

List of official extensions for Defold.

Flipbook Animation

Support for flipbook animations.

Free and source-available

Defold is free to use and its source code is available.

GPU Computing

Perform calculations on the GPU.

Input

Support for keyboard, mouse, touch, and gamepad input.

Lua API Reference

Comprehensive Lua API reference for Defold scripting.

Lua scripting

Use the Lua programming language for game logic.

Model Animation

Support for 3D model animation.

Model Context Protocol

Support for MCP integrations.

Network

Support for HTTP requests, sockets, and WebSockets.

Particle FX

Support for particle effects.

Prefer and cache URLs

Prefer and cache URLs for faster access.

Prehash message and action ids

Prehash message and action ids to improve performance.

Property Animation

Support for tween-based property animation.

Reduce garbage collection

Methods to reduce garbage collection overhead.

Reduce time to render a frame

Optimize rendering time per frame.

Reduce scene graph complexity

Simplify scene graph to improve performance.

Reduce script execution time

Techniques to minimize script execution time.

Rendering

Script API Definition

Support for creating a script API definition to enable auto-complete.

Sound

Support for sound playback and streaming.