I'm stuck on 3B, can anyone help me out?
Here's a small hint for 3B (it's encoded in rot13):
Gel gb trg zbfg bs gur oynpx oybpxf vagb gur obggbz yrsg pbeare juvyr gryrcbegvat gur erq oybpx hc bar ebj ng n gvzr!
If you need more hints, feel free to ask!