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Daily brain & logic puzzles. Find your calm in 450,000+ Sudoku puzzles — free and offline. A fresh daily challenge, real solving trainers, and 20 quiet themes. Unwind and start solving.
Linux · Jul 15, 2026
Worldwide · Exact date · Full release · IGDB
Mac · Jul 15, 2026
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Jul 15, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
100 achievements available.

Solve the daily puzzle on 7 different days
LockedSteam

Solve the daily puzzle on 1,500 different days
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Solve the daily puzzle on 30 different days
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Solve the daily puzzle on 100 different days
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Solve the daily puzzle on 365 different days
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Solve the daily puzzle on 730 different days
LockedSteam

Earn 5 cherry blossoms on Easy 10 times
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Earn 5 cherry blossoms on Easy 50 times
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Earn 5 cherry blossoms on Easy 150 times
LockedSteam

Earn 5 cherry blossoms on Easy 365 times
LockedSteam

Earn 5 cherry blossoms on Easy 1,000 times
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Solve 25 Easy puzzles
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Solve 100 Easy puzzles
LockedSteam

Solve 365 Easy puzzles
LockedSteam

Solve 1,000 Easy puzzles
LockedSteam

Earn 5 cherry blossoms on Extreme 5 times
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Earn 5 cherry blossoms on Extreme 25 times
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Earn 5 cherry blossoms on Extreme 75 times
LockedSteam

Earn 5 cherry blossoms on Extreme 150 times
LockedSteam

Solve 5 Extreme puzzles
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Solve 25 Extreme puzzles
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Solve 75 Extreme puzzles
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Solve 150 Extreme puzzles
LockedSteam

Solve 365 Extreme puzzles
LockedSteam

Earn 5 cherry blossoms 10 times
LockedSteam

Earn 5 cherry blossoms 2,500 times
LockedSteam

Earn 5 cherry blossoms 50 times
LockedSteam

Earn 5 cherry blossoms 150 times
LockedSteam

Earn 5 cherry blossoms 365 times
LockedSteam

Earn 5 cherry blossoms 1,000 times
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Earn 5 cherry blossoms on Hard 5 times
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Earn 5 cherry blossoms on Hard 25 times
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Earn 5 cherry blossoms on Hard 75 times
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Earn 5 cherry blossoms on Hard 150 times
LockedSteam

Earn 5 cherry blossoms on Hard 365 times
LockedSteam

Solve 10 Hard puzzles
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Solve 50 Hard puzzles
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Solve 150 Hard puzzles
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Solve 365 Hard puzzles
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Solve 1,000 Hard puzzles
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Solve 25 puzzles without hints
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Solve 100 puzzles without hints
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Solve 365 puzzles without hints
LockedSteam

Solve 1,000 puzzles without hints
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Solve 2,500 puzzles without hints
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Play for 10 hours
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Play for 1,000 hours
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Play for 50 hours
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Play for 100 hours
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Play for 250 hours
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Play for 500 hours
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Earn 5 cherry blossoms on Medium 10 times
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Earn 5 cherry blossoms on Medium 50 times
LockedSteam

Earn 5 cherry blossoms on Medium 150 times
LockedSteam

Earn 5 cherry blossoms on Medium 365 times
LockedSteam

Earn 5 cherry blossoms on Medium 1,000 times
LockedSteam

Solve 25 Medium puzzles
LockedSteam

Solve 100 Medium puzzles
LockedSteam

Solve 365 Medium puzzles
LockedSteam

Solve 1,000 Medium puzzles
LockedSteam

Solve 25 puzzles without mistakes
LockedSteam

Solve 100 puzzles without mistakes
LockedSteam

Solve 365 puzzles without mistakes
LockedSteam

Solve 1,000 puzzles without mistakes
LockedSteam

Solve 2,500 puzzles without mistakes
LockedSteam

Solve 10 puzzles
LockedSteam

Solve 2,500 puzzles
LockedSteam

Solve 5,000 puzzles
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Solve 10,000 puzzles
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Solve 50 puzzles
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Solve 150 puzzles
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Solve 365 puzzles
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Solve 1,000 puzzles
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Maintain a 3-day daily streak
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Maintain a 100-day daily streak
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Maintain a 200-day daily streak
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Maintain a 365-day daily streak
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Maintain a 730-day daily streak
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Maintain a 1,000-day daily streak
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Maintain a 7-day daily streak
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Maintain a 14-day daily streak
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Maintain a 30-day daily streak
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Maintain a 60-day daily streak
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Complete all four daily difficulties on 3 days
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Complete all four daily difficulties on 365 days
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Complete all four daily difficulties on 730 days
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Complete all four daily difficulties on 7 days
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Complete all four daily difficulties on 30 days
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Complete all four daily difficulties on 75 days
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Complete all four daily difficulties on 150 days
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Experience every theme at least once.
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Complete a daily puzzle from a past date in the archive.
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Solve a Hard puzzle in under 10 minutes.
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Solve your first puzzle.
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Solve a Medium puzzle in under 5 minutes.
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Complete every daily difficulty in a single day.
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Earn a Flawless (5★) rating on all four daily puzzles in a single day.
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Earn a Flawless (5★) rating on an Extreme puzzle.
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Solve an Easy puzzle in under 90 seconds.
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Solve an Extreme puzzle in under 18 minutes.
LockedSteam
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