The hunt is over! Thanks so much for solving! Solutions are available for all puzzles. A wrap-up post will be coming in around a week late January.

zydzbdq

Solves

Total: 7

Toggle spoiler tags for secret content:
Puzzle Solve Time
2 Metrology Lab
5 1. e4 e5
20 Go Fish
18 Off the Beaten Path
13 The Arcade
3 Double-Crossed
4 Subnivean Snake