[IngoBlechschmid]

Here is a version which can be played by up to three persons sharing a keyboard:

https://www.speicherleck.de/iblech/stuff/chaosspiel-2015/cha...

Developed as part of a mathematics day for children, the worksheet is available here: https://www.speicherleck.de/iblech/stuff/chaosspiel-2015/arb...