6 puzzles
VAULTS
Sealed things that keep a secret until you earn it.
A lock is a question. Answer it correctly.
THE CROSSLOCK
Unlock the symbol. Discover the secret.
Difficulty: Advanced, 3 out of 5$42
THE OBELOCK
Caged within. Freed by wit.
Difficulty: Advanced, 3 out of 5$42
36 puzzles in total across the three collections.