Escape Room of moderate difficulty, includes hint book. Contains over 200 command blocks.
This map is just one escape room that I spent a few days on.
I've included a hint book you can use when you get stuck, but don't rush to it.
It runs in 1.13, and caused me to learn all the new commands.
I chose not to block cheats because I like letting the player do whatever they want. Just be responsible.
It's a vanilla map and you should play with a resource pack that does not remove arrows from magenta glazed terracotta.
Once you've finished it please submit feedback!