Daily Archive
Daily Killer Sudoku for 2026-05-21
Prototype Puzzle. Visit this page to explore the challenge summary, difficulty, and Top 10 preview for this date without exposing the solution.
This is a past daily challenge.
Difficulty
medium
Challenge date
2026-05-21 UTC
Summary
Top 10 Daily Race
Puzzle overview
This puzzle includes 33 cages and follows the same no-repeat cage, row, column, and 3x3 box rules as the live daily challenge.
Top 10 Preview
🥇Joshua
05:00🥈test3
33:20🥉Joshua1
50:00#4test4
83:20#5test5
83:20#6test6
100:00All Finishers Preview
#1Joshua
05:00#2test3
33:20#3Joshua1
50:00#4test4
83:20#5test5
83:206 finishers recorded for this date.