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

Ultimate Brownies

Solves

Total: 17

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