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.

Kostya and Ilya

Solves

Total: 5

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Puzzle Solve Time
✅ 5 1. e4 e5
✅ 4 Subnivean Snake
✅ 3 Double-Crossed
✅ 2 Metrology Lab
✅ 1 Penguin Pidgin