The puzzle community calendar
Puzzle Events
A curated calendar of puzzle competitions, tournaments, conventions, workshops, meetups, livestreams, and noteworthy releases from across the puzzle community.
Largest Multi-Sudoku: Guinness World Record Attempt
Join a cooperative attempt to solve 281 connected Sudoku grids in Bučovice, Czech Republic.
Katolický dům, Great Hall · Bučovice, Czech Republic
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