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Solitary Dragon of the C@r@line Syzygy

Solves

Total: 20

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