Irrlicht Engine
Irrlicht Engine is a free, open-source C++ engine for creating real-time 3D and 2D applications, including games and scientific visualizations.
What Irrlicht Engine is
Irrlicht Engine is a free, open-source C++ engine for creating real-time 3D and 2D applications, including games and scientific visualizations. It renders through Direct3D, OpenGL, two software renderers, or a null device. A scene graph supports indoor and outdoor scene mixing, dynamic shadows, particle systems, character animation, and collision detection. The extensible material library accepts HLSL and GLSL shaders. Direct loading is available for formats such as OBJ, COLLADA, PNG, JPEG, and BMP. Targets include Windows, Linux, macOS, SDL, iPhone, Android, Nokia Symbian, and WebGL; Emscripten WebGL builds are possible, though some features remain unsupported. Scripting options include C++, C#, Visual Basic, Delphi, and Java. The project describes minimal external dependencies. SDK 1.8.5 includes documentation, source, a precompiled engine, tutorials, tools, exporters, and a demo. Its license permits commercial use, modification, and redistribution with attribution and source notices.
Good
- Free and open-source engine
- Supports Direct3D, OpenGL, and software renderers
- Includes scene, animation, particle, and collision tools
- Loads common mesh and texture formats
- SDK includes source, tutorials, tools, and demo
Watch out
- WebGL does not support every feature
- License requires attribution and source notices
- Forum notice reports a possible compromise
- External dependencies are described as minimal, not absent
Who it suits
It suits developers building cross-platform 2D or 3D applications who want open source C++ technology and multiple rendering backends. Projects targeting the listed desktop, mobile, or WebGL platforms can consider it.
Verdict
Irrlicht Engine offers a broad set of rendering, scene, and asset features across many target platforms at no software cost. Developers should account for WebGL feature gaps and review the project’s security notice before using its forum.
Plans and prices
From Irrlicht Engine's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Irrlicht Engine | Free | Free and open source · zlib/libpng-based license |
The facts
Each one read from Irrlicht Engine's own pages, with the date it was checked.
What it does
- Dependencies
- The project describes Irrlicht as having minimal external dependencies and asks contributors to avoid adding dependencies where possible.checked 11 Oct 2026
- Downloads
- The downloads page lists Irrlicht SDK 1.8.5 with documentation, source code, a precompiled engine, tutorials, tools, exporters, and a demo.checked 11 Oct 2026
- License
- The engine may be used, altered, and redistributed, including in commercial applications, subject to the stated attribution and source notice conditions.checked 11 Oct 2026
- Materials
- The engine includes an extensible material library and supports shader languages including HLSL and GLSL.checked 11 Oct 2026
- Media formats
- It directly loads common mesh and texture formats, including OBJ, COLLADA, PNG, JPEG, and BMP.checked 11 Oct 2026
- Mobile export
- Yeschecked 21 Sep 2026
- Purpose
- Irrlicht is an open source realtime 3D engine written in C++ for creating 3D and 2D applications such as games and scientific visualizations.checked 11 Oct 2026
- Rendering
- It supports Direct3D, OpenGL, and two software renderers, with a null device also available.checked 11 Oct 2026
- Scene and effects
- Features include a scene graph, indoor and outdoor scene mixing, dynamic shadows, particle systems, character animation, and collision detection.checked 11 Oct 2026
- Scripting languages
- C++,C#,Visual Basic,Delphi,Javachecked 21 Sep 2026
- Security notice
- A June 2026 notice says the forum may have been compromised and that user account email addresses and private messages may have been read.checked 11 Oct 2026
- Source code model
- open_sourcechecked 21 Sep 2026
- Support
- The authors ask users to post engine use questions to the forum and direct bug reports through the bug reports forum and bug tracker.checked 11 Oct 2026
- Web support
- WebGL with Emscripten is possible, though the site says not all features are supported yet.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 21 Sep 2026
Where it runs
- Platforms
- Official platform support includes Windows, Linux, OSX, and platforms using SDL; iPhone and Android ports have been developed using work-in-progress OpenGL ES drivers.checked 11 Oct 2026
- Target platforms
- Windows,Linux,macOS,SDL,iPhone,Android,Nokia Symbian,WebGLchecked 21 Sep 2026
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