... command: FAST before commands for demonstrating maximum performance.
First KAREL-3D is created in 1986 after Karel the Robot, in Slovakia ( before Czechoslovakia ) on 8 bit microcomputer PMD 85-2 for school kids to learn algorithm and what is programming, teach know how to solve a logical problem, like Spock and his children from the planet Vulcan ( live long and prosper ).
because it's fun
Actual WebGL version: https://sourceforge.net/projects/karel-3d-webgl/