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 2025-06-08.

This leaderboard shows the top 50 players who solved Level 4 Sudoku puzzles with 33 clues the fastest on 2025-06-08.

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

Rank	Nickname	Time	Puzzle
1	Guest #27606	00:02:06	#0848193
2	Guest #27573	00:04:20	#233098
3	Guest #27553	00:05:22	#335989
4	Guest #27656	00:07:42	#829793

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.