What is Level 4 in Sudoku?

Level 4 puzzles have 33 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 4 puzzles on 2026-02-02.

This leaderboard shows the top 50 players who solved Level 4 Sudoku puzzles with 33 clues the fastest on 2026-02-02.

Level 4 is part of Sudoku99’s structured difficulty progression, where lower clue counts mean greater challenge.

Rank	Nickname	Country	Time	Puzzle
1	Guest #56999		00:02:33	#565921
2	Guest #56972		00:03:23	#318793

What does Level 4 mean?: It corresponds to puzzles with 33 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.