The founding sponsors / organizers for the 2023 World Sudoku and Puzzle Championships are Grandmaster Puzzles, the US Puzzle Championship, and the Canadian Puzzle team, with additional help from Lunarch Studios.
The founding sponsors / organizers for the 2023 World Sudoku and Puzzle Championships are Grandmaster Puzzles, the US Puzzle Championship, and the Canadian Puzzle team, with additional help from Lunarch Studios.