Gideros
Gideros is a free and open-source cross-platform game development framework that enables developers to create high-performance 2D games using the Lua programming language. It offers instant testing on real devices through Wi-Fi, eliminating the need for lengthy export or deployment processes. Built on C/C++ and OpenGL, Gideros ensures that games run at native speed, fully utilizing the power of CPUs and GPUs. The framework supports easy extension through plugins, allowing developers to import existing code in C, C++, Java, or Objective-C and bind it to Lua. Gideros provides its own class system with standard object-oriented programming practices, enabling clean and reusable code. The comprehensive development environment includes a lightweight IDE, players for desktops and devices, a texture packer, and a font creator. Gideros supports multiple platforms, including Windows, macOS, Linux, iOS, Android, and HTML5.
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Defold
Defold is a free and open source game engine designed for high-performance cross-platform game development. It comes fully featured out of the box, requiring no setup or configuration, allowing developers to simply download the editor and start creating. The engine includes a visual editor, code editor, Lua scripting, Lua debugger, scene editor, particle editor, and tilemap editor, and supports both 2D and 3D game development. With a single codebase and no need for external tools, Defold enables publishing to major platforms such as PlayStation5, PlayStation4, Nintendo Switch, Android, iOS, macOS, Linux, Windows, Steam, HTML5, and Facebook. It offers a component-based system for building games, allowing the use of basic building blocks to create complex behavior, and supports writing game logic using Lua. Developers can add new functionality from the asset portal, set up their own local build environment, and write native code to extend the engine.
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UNIGINE
UNIGINE is a real-time 3D engine designed for enterprise and technology enthusiasts, offering photorealistic graphics and support for large virtual worlds through C++ and C# APIs. The engine is built with open-world capabilities in mind, featuring unique terrain technology that enables extreme detail up to 1 mm per pixel, along with runtime modification and collaborative editing. It supports 64-bit precision per coordinate, allowing for scenes as expansive as the solar system. UNIGINE provides three SDK editions tailored to different needs, the Sim SDK for simulation and training with planet-scale scenarios and immersive display setups; the engineering SDK, which is embeddable into enterprise applications such as digital twins, BIM, and smart city projects, featuring advanced GIS and CAD data handling; and the Community SDK for technical enthusiasts developing games and VR applications.
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Cocos2d-x
Cocos2d-x is an open source, flexible, and lightweight cross-platform game engine that has been providing developers with stable and mature solutions since 2011. The engine offers interfaces in C++, Lua, and JavaScript, supporting platforms such as iOS, Android, Windows, macOS, and HTML5 browsers like Chrome, Safari, and Internet Explorer. Built upon OpenGL ES 2.0 and Metal for graphics rendering, Cocos2d-x fully exploits the GPU performance of mobile devices while maintaining compatibility. Developers can utilize Lua or JavaScript scripting languages to perform hot updates to games, eliminating the need to send packages to app stores and wait for review. The engine's open-source capabilities allow for extensive customization, enabling game companies to develop their own game types and extensions, including combining their own 3D engines to solve 2D interface and UI problems. According to test data, Cocos2d-x version 3.x is compatible with 99.7% of Android devices in China.
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