Master_64 is a YouTuber, and the creator of 4 sandbox levels in Platform Builder explore section. The main feature of his levels is the insanely high difficulty on them, even when they are completely verified.
It's most known level is "Probably the worst level to ever exist", that has a youtube video on its own channel.
- Master_64's Master Room
- Probably the worst level to ever exist
- An insanely easy jump
- 5 seconds.