Orx
Orx: A portable open-source engine for 2D and 2.5D projects, without built-in multiplayer tools. Ranked #52 of 91 in Game Engine Software by our editors (4.4/10); pricing: Free plan; best for open-source 2D programmers needing portability.
At a glance
- Editor score4.4 / 10
- PricingFree plan
- Best forOpen-source 2D programmers needing portability
- Free planYes
- Paid fromFree
- Source code modelOpen_source
- Facts checked20 Sep 2026
Where it wins
- Hardware-accelerated 2D rendering with shaders and render passes
- Targets Windows, Linux, macOS, web, Android, and iOS
- Includes physics, animation, audio, input, and localization systems
Where it doesn't
- Networking and multiplayer tools are not included
- Development is centered on C and C++
- Projects require local builds from source or compiled libraries
Our verdict on Orx
Orx is an open-source game engine for 2D and 2.5D development in C and C++. Its data-driven approach supports object and scene creation through configuration, while the engine covers rendering, animation, audio, physics, input, localization, and camera management. It is aimed at programmers who want a portable engine with desktop, web, and mobile targets rather than a visual-first authoring environment.
Orx is free under the zlib license, with no paid tier structure described. Its platform range includes Windows, Linux, macOS, Web/HTML5, Android, and iOS. A plugin-based architecture provides a path for platform extensions, while configuration-driven development and the runtime console support live object and configuration changes. These capabilities make Orx a practical fit for developers who value source access, portability, and control over engine behavior across multiple deployment targets.
The engine’s strongest area is its focused 2D toolset: hardware-accelerated rendering, custom shaders, render passes, sprite batching, animation graphs, spritesheets, rigid-body physics, collision handling, joints, 3D audio, and input abstraction are all part of the feature set. The main boundary is networking; multiplayer functionality is not included and would require external implementation. Choose Orx for open-source 2D or 2.5D projects built around C or C++ and broad platform reach. Teams that require built-in multiplayer tools should consider an alternative engine.
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Orx pricing
Orx fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Source code model | Open_source |
| Visual scripting | Not verified |
| Multiplayer tools | No |
| Mobile export | Yes |
| Console export | Not verified |
| Target platforms | Windows, Linux, macOS, Web/HTML5, Android, iOS |
| Scripting languages | C, C++ |
| Deployment | Desktop, Mobile |
| Platforms | Web, Windows, macOS, Linux, iOS, Android |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | orx-project.org |
| Facts checked | 20 Sep 2026 |
Alternatives to Orx
- Godot EngineA flexible open-source engine for 2D, 3D, multiplayer, and XR projects.9.2
- PlayCanvasA capable web-first engine for collaborative 2D and 3D game development.9.0
- GameMakerA focused 2D engine with free non-commercial access and wide export coverage.8.9
Also Ranked In
Orx is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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