You can download Nibbles here:
Nibbles is a small funny game for up to four players. There are three versions of
Nibbles, one for Windows, one for the Oberon V4 operating system and one for ETHOberon V3.
Here is a screenshot:
You can download Nibbles here:
Nibbles for Windows
Nibbles for Windows in German
Nibbles für Windows auf Deutsch
Nibbles for Oberon V4
Nibbles for ETH Oberon V3