Most entrants in a puzzle world championships
- Quién
- World Puzzle Championships
- Qué
- 200 people
- Dónde
- Bulgaria (Borovets,)
- Cuándo
- 2006
The World Puzzle Championships, organized by the World Puzzle Federation, is the largest event of its kind on the planet. The 15th annual competition was held in 2006 in Borovets, Bulgaria, and attracted a record 200 competitors from 20 countries. Among the challenges set each year are sudokus, logic puzzles and spot-the-differences. Above is a championship-level spot-the-difference.