Castle Game Engine

Free open-source 3D and 2D game engine using modern Object Pascal

• Use any 3D or 2D software to create your models in any format: glTF, X3D, VRML, Collada, OBJ, MD3, Spine...
• Develop cross-platform applications, for desktop (Windows, Linux, macOS, FreeBSD...), mobile (Android, iOS), consoles (Nintendo Switch) and other devices (Raspberry Pi).
• Visual editor to design games UI and to build applications, powerful command-line build tool under the hood.
• Optimized rendering with a lot of graphic effects (shadows, mirrors, bump mapping, shader effects...).
• Build and edit the scene graph (X3D) at runtime. Create 3D processing, visualization tools and CAD applications.
• Extensible system for game objects, with physics, creatures with AI and navmesh, and more.
• Access numerous services, like in-app purchases and game services on mobile devices.
• Create cross-platform user-interface with anchors and automatic scaling.
• Code in modern Object Pascal, an efficient OOP language with cross-platform open-source compiler (FPC), compiled to a native optimized code.