What is Level 17 in Sudoku?

Level 17 puzzles have 20 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 17 puzzles on 2025-08-31.

This leaderboard shows the top 50 players who solved Level 17 Sudoku puzzles with 20 clues the fastest on 2025-08-31.

Level 17 is part of Sudoku99’s structured difficulty progression, where lower clue counts mean greater challenge.

Rank	Nickname	Time	Puzzle
1	Guest #37787	00:05:28	#318461
2	Guest #37800	00:07:21	#280311
3	Guest #37799	00:07:28	#417211
4	Guest #37797	00:07:49	#775566
5	Guest #37798	00:08:49	#713636

What does Level 17 mean?: It corresponds to puzzles with 20 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.