Flipudoku
Quick guide
Welcome
Play Classic Sudoku or Flipudoku — same Sudoku rules, two ways to enjoy them. Flipudoku adds a twist: All starting numbers are hidden behind an F.
Hidden givens
Play smart
A few habits make Flipudoku feel smooth and satisfying.
Quick setup
Before you start, please confirm the basics.
Privacy & terms
This app stores game progress locally on your device. When ads/analytics are enabled, you may see additional consent options.
Flipudoku
Choose your game
MONTHLY CUP
September 2026
0 / 30 completed
September 2026
Missed days can be unlocked with a rewarded video. Catch-ups count toward the cup, never toward your streak.
Special events
Limited-time cups
Special Event
Event Cup
S SudokuF FlipudokuDifficulty increases along the path
Undo
Notes: Off
Hint (3)
Mistakes: 0/3
Flipudoku
Achievements
SUDOKU DAILY STREAK
🔥 0 days
• Next badge at 1 days
BEST STREAK
0 days
THIS WEEK
0 / 7 days
DAILY PLAYED
0 games
Play today’s Daily Challenge to keep the streak alive.
Miss a day and it resets to 0.
TOTAL WINS
0
PERFECT GAMES
0
WITH NOTES
0
Avg time · Easy—
Avg time · Medium—
Avg time · Hard—
Avg time · Expert—
Best time · Easy—
Best time · Medium—
Best time · Hard—
Best time · Expert—
Longest streak ever—
🏆 Monthly Cups
FLIPUDOKU DAILY STREAK
🔥 0 days
• Next badge at 1 days
BEST STREAK
0 days
THIS WEEK
0 / 7 days
DAILY PLAYED
0 games
Play today’s Daily Challenge to keep the streak alive.
Miss a day and it resets to 0.
TOTAL WINS
0
PERFECT GAMES
0
TOTAL FLIPS
0
Avg time · Easy—
Avg time · Medium—
Avg time · Hard—
Avg time · Expert—
Best time · Easy—
Best time · Medium—
Best time · Hard—
Best time · Expert—
Longest streak ever—
🏆 Monthly Cups
Trophy Room
0 cups earned
Flipudoku
Settings