See our December 17 news update for an announcement about bonus secret content.

Strobe Light Syzygy

Solves

Total: 21

Puzzle
20 Go Fish
18 Off the Beaten Path
16 Tidying Up
19 Those Crafty Penguins
17 Sack of Gifts
12 High-Rise
15 Migratory Birds
14 Ice Pack
M Metapuzzle
13 The Arcade
8 Survival Stories
10 Flipping Channels
11 Check It Out!
9 Overt Infiltration
7 Spy Games
6 September of the Puffins
5 1. e4 e5
4 Subnivean Snake
3 Double-Crossed
2 Metrology Lab
1 Penguin Pidgin