Someone just compiled the demo and put it to sell on Steam!! I think there is no legal problem to do this? But its still scamming and not offering any new gameplay that the demo has. The purpose of those assets are to learn and or mix or add different gameplays to it. So I removed the gamemaker source, the purpose was to help begginers with gamemaker, but there are awesome teachers for all engines out there.
I zipped all the audio and putted here for download. https://didigameboy.itch.io/jambo-jungle-free-sprites-asset-pack/devlog/266770/jojo-jambo-audio
cya. make games.