What is Level 6 in Sudoku?

Level 6 puzzles have 31 given clues. The fewer the clues, the harder the puzzle.

How is the ranking calculated?

Players are ranked based on the fastest completion time for Level 6 puzzles on 2025-06-29.

This leaderboard shows the top 50 players who solved Level 6 Sudoku puzzles with 31 clues the fastest on 2025-06-29.

Level 6 is part of Sudoku99’s structured difficulty progression, where lower clue counts mean greater challenge.

Rank	Nickname	Country	Time	Puzzle
1	Guest #30221		00:04:38	#617419

What does Level 6 mean?: It corresponds to puzzles with 31 clues. Fewer clues means higher difficulty.
How often is this ranking updated?: Every day. Rankings reset daily and show results for the current date.
Can I appear without logging in?: Yes. You can still appear in the leaderboard as a guest player.