Popularity · relative index
Based on public voting signals, not player counts.
━ Popularity · index / 100 (left)
Popularity data · dates and index values
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N New label observedH Hot label observedS Staff-picked label observed
Markers are positive daily observations from the portal API, not entry or exit dates or continuous placement. Hot does not prove a popular-list position; staff-picked does not prove homepage placement. These observations do not establish a cause for popularity changes.
No recorded label observations in this range. This does not prove that the game was never listed.
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About Sudoku Classic & Killer
Sudoku, the classic number puzzle, beautifully designed and packed with features.
Place numbers 1-9 in every row, column, and 3x3 box. No repeats allowed. Sounds simple? Try Expert mode and see how far you get.
Game Modes
Classic Sudoku: the timeless logic puzzle you know and love
Killer Sudoku: cages with target sums add a whole new layer of strategy
Daily Challenge: a fresh puzzle every day with a unique seed, come back tomorrow for more
Difficulty
Easy: perfect for beginners and quick sessions
Medium: a solid challenge for regular players
Hard: requires advanced techniques and careful thinking
Expert: only for true Sudoku masters
Features
Smart hints system (3 per day, earn more by watching a short video)
Pencil notes for tracking candidates
Unlimited undo
Mistake counter (3 lives per game)
Watch a video to continue after a mistake
Timer with best time tracking per mode and difficulty
8 unlockable color themes (earn them by winning games)
Full keyboard support on desktop
Works on any device: phone, tablet, desktop
6 languages: English, Russian, German, French, Spanish, Turkish
Auto-saves your progress
How fast can you solve it? Challenge yourself daily and climb the difficulty ladder!
Description from www.crazygames.com ↗
Studio · TopOp Games
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