Length: 20 exits.
Difficulty: Kaizo: light. There are tight tricks required, but relatively short time between checkpoints. There also aren't many trolls, unless you count every section ending with a door.
This hack is playable through to credits. (A casual RTA playthrough took me about 2 hours.) All it needs is playtesting and polish/balancing/bugfixes, which is where you come in!
Here's the hack.
I hope you enjoy it!