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.

Just little old me

Solves

Total: 16

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Puzzle Solve Time
16 Tidying Up
14 Ice Pack
13 The Arcade
12 High-Rise
11 Check It Out!
10 Flipping Channels
8 Survival Stories
9 Overt Infiltration
7 Spy Games
6 September of the Puffins
5 1. e4 e5
4 Subnivean Snake
15 Migratory Birds
3 Double-Crossed
2 Metrology Lab
1 Penguin Pidgin