Knowledge Adventure sound files by Puterboy1 at 10:31 AM EDT on September 21, 2026
Someone found a way to reverse engineer them and made a python script of it: https://reverseengineering.stackexchange.com/questions/33177/extracting-converting-an-unknown-1990s-graphics-file-format-atr/33760#33760
For sound samples, click here: https://github.com/user-attachments/files/32472264/Samples.zip [edit] (16 hours left)