Children's learning programming language Karel the Robot in 3D
...Version without WebGL, and just as one file (+ include examples in text file):
https://sourceforge.net/projects/karel-3d/
C++ version: https://sourceforge.net/projects/karel-3d-cpp/
...Karel 3D from Version 8 is different from other Karels, can bulid a Bridges.
WebGL version: https://sourceforge.net/projects/karel-3d-webgl/
C++ version: https://sourceforge.net/projects/karel-3d-cpp/
Extremely simple HTML-based user interface system for standard C++ console applications. Mimics a streaming object whose output is a web page (ie a mix of cout and cin) created during runtime. Existing console applications just need to replace cin/cout.