Polycode is described as ''s core is written in C++ and currently runs on Mac, Windows and Linux with iOS and Android support planned in the future. All platform-specific functionality is abstracted into a cross-platform core and implemented natively on each platform, so the same C++ code' and is a popular game development tool in the development category. There are more than 50 alternatives to Polycode for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Polycode alternative is Unity, which is free. Other great apps like Polycode are Unreal Engine, GDevelop, Wick Editor and LÖVE.
RPG Paper Maker is a free game maker engine including a 3D universe with many 2D sprites and some simplified 3D objects. Pretty close to the RPG Maker series, RPG Paper Maker finally give a way to create RPGs in a totally 3D universe as easy as it is in 2D!
Suite for building 2D top-down role-playing games with detailed map, tile, and sprite editors, traditional turn-based mechanics, dialog and encounter tools, custom scripting, asset support, and publishing options, suitable for both beginners and advanced users.
cocos2d-x is a cross platform open source free 2D game engine for mobile gamedev, that is fast and stable, easy to learn and use.
Panda3D is a game engine, a framework for 3D rendering and game development for Python and C++ programs. Panda3D is Open Source and free for any purpose, including commercial ventures, thanks to its liberal license. Go ahead and grab it here.
openFrameworks is an open source C++ toolkit designed to assist the creative process by providing a simple and intuitive framework for experimentation. The toolkit is designed to work as a general purpose glue, and wraps together several commonly used libraries, including:
Java framework providing unified API for building 2D or 3D games across desktop, mobile, and browser platforms, with hot code swapping, rapid prototyping, modular architecture, integrated physics, input, asset tools, and support for desktop-native debugging.
Adventure Game Studio (AGS) - is the IDE and the engine meant for creating and running videogames of adventure (aka "quest") genre. It has potential, although limited, support for other genres as well.
ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform game development environment derived from that of the popular software GameMaker Legacy.
Cocos Creator is a complete package of game development tools and workflow, including a game engine (based on Cocos2d-x), resource management, scene editing, game preview, debug and publish one project to multiple platforms.
HARFANG®3D is a cross-platform & multi-language solution to integrate with embedded systems, existing environments & combining features to meet the industrial standards of 3D imaging.
NeoAxis 3D Engine is positioned as a universal development framework for 3D projects. The framework can be applied when developing various types of 3D projects, such as the creation of video games, development of simulators, virtual reality and visualization software, creation...
The Graphics Development Engine for Business and Industry. Build high-quality 3D solutions and deploy to any platform.
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