Thank you for posting this, @Fiveshooter, it's a very valuable and helpful piece of information!
We're glad you found this solution and wish you an amazing journey! 🙂
There's only a PAL cartridge for Sam's Journey on the C64. You can run the PAL cartridge on an NTSC C64, but the music will be too fast and you'll experience a lot of slowdowns and visual glitches.
Do you happen to have a NES as well? Then you might want to try Sam's Journey on the NES for which a proper NTSC cartridge is available:
Thanks for purchasing Sam's Journey! 😃
There's no copy protection as it would only drive up the costs, and people would find a way around it anyway.
We put our money on the majority of loyal fans of retro-gaming who support us by buying our games, posting comments and reviews, and spreading the word.