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.

decemberists

Solves

Total: 16

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Puzzle Solve Time
24 Why Is My Verse So Barren and So Flat?
22 Higher State of Mind
21 Magic Is in the Air
16 Tidying Up
19 Those Crafty Penguins
17 Sack of Gifts
8 Survival Stories
15 Migratory Birds
6 September of the Puffins
13 The Arcade
11 Check It Out!
2 Metrology Lab
3 Double-Crossed
5 1. e4 e5
4 Subnivean Snake
1 Penguin Pidgin