from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A compound puzzle formed by several lesser puzzles. In contrast to a regular puzzle, a metapuzzle is missing data that is essential to solving it, and which can only be obtained by solving other sometimes entirely unrelated puzzles. Metapuzzles are frequently used in puzzlehunts.
meta- (in the transcending, transforming and self-referential senses) + puzzle (Wiktionary)