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.

Aliens

Solves

Total: 16

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Puzzle Solve Time
18 Off the Beaten Path
17 Sack of Gifts
16 Tidying Up
15 Migratory Birds
12 High-Rise
13 The Arcade
14 Ice Pack
10 Flipping Channels
8 Survival Stories
7 Spy Games
6 September of the Puffins
4 Subnivean Snake
3 Double-Crossed
5 1. e4 e5
2 Metrology Lab
1 Penguin Pidgin