Play Level 19 Sudoku – Ultimate Logic Test

Level 19 is nearly the toughest Sudoku possible. Every number must be earned through meticulous strategy.

Find Your Ideal Sudoku Challenge

Expert - Gold Level 19 (18 clues)

Level 19 – 18 clues

Here are the top 5 fastest players for today's Sudoku Level 19 (with 18 clues). Each record includes the nickname, country, completion time, and puzzle number.

RankNicknameCountryTimePuzzle
1 Guest #27632 Hong Kong 00:03:40 #635174
2 Guest #27529 Taiwan 00:05:00 #796505
3 Guest #27601 Taiwan 00:05:03 #683554
4 Guest #27528 Germany 00:05:07 #803966
5 Guest #27585 Germany 00:06:37 #492946
View Full Ranking for Level 19 →

Gold Tier: The Ultimate Sudoku Test

Only 19–17 clues — nearly world-record minimal
Every cell demands logic, no assumptions allowed
Elite-level handcrafted puzzles for pros
Track your time, print puzzles, and share results
Challenge yourself with some of the hardest Sudoku online

Select Your Challenge Level

Choose a Sudoku difficulty based on clue count. Levels are grouped by skill — from easy to expert gold.

Easy Sudoku

Perfect for beginners, these easy Sudoku puzzles offer a gentle challenge with more clues.

Medium Sudoku

Ideal for intermediate players seeking a balanced challenge.

Hard Sudoku

Great for advanced players, these puzzles reduce the clues further for deeper thinking.

Expert Sudoku

For seasoned solvers. Requires advanced strategy and logical precision.

Expert – Silver

Minimal clues for a real mental workout — designed for puzzle masters.

Expert – Gold

The ultimate test. Only for elite Sudoku solvers. Every move counts.

Level 19 FAQs

What makes Level 19 challenging?
It provides 18 starting clues, offering a serious challenge.
How many Level 19 puzzles are available?
Thousands. Each session randomly selects one from our verified collection.
Do I need an account to play?
No account or download needed — simply click and solve.