Sudoku Portal

Step through the portal into the coziest Sudoku adventure.

Classic Sudoku made beautiful. Five magical worlds, a new puzzle every day and cute buddies to collect.

Your first portal is open

Play a Mini 6x6, right here.

Fill the board so every row, every column and every 2x3 box holds 1 to 6 exactly once. Tap a cell, then a number. You have three hearts and three hints, just like in the game.

Use your keyboard too: arrow keys, 1 to 6 and Backspace.

MINI 6x6Warm-up
00:00

Five magical worlds, from Easy to Evil.

Start in the green Meadow Gate and travel all the way to the Void Nebula. Every world is a new difficulty with its own look, its own little planet and its own music.

  1. World 1 · Easy

    Meadow Gate

    A gentle first step

  2. World 2 · Medium

    Sunstone Dunes

    Warm sands, sharper minds

  3. World 3 · Hard

    Coral Lagoon

    Dive into deeper logic

  4. World 4 · Expert

    Frostspire

    Only clear heads survive

  5. World 5 · Evil

    Void Nebula

    The final, evil puzzles

Meadow Gate world
Meadow Gate
Sunstone Dunes world
Sunstone Dunes
Coral Lagoon world
Coral Lagoon
Frostspire world
Frostspire
Void Nebula, the last world, unlocks after a win in Frostspire
Void Nebula (unlocks last)

Open the Daily Portal.

A fresh puzzle waits every morning. Fill your monthly calendar, build your streak and earn rewards. Missed a day? Tap it and play it anytime.

This monthStreak

Complete the full month for +500 coins and a treasure chest.

  • 3 daysClaim
  • 7 days175
  • 14 days350
  • 30 days750
The Events tab with the Daily Portal, calendar and streak rewards

Sudoku your way

Eight ways to play Sudoku.

Classic with five difficulty levels, plus seven twists for when you want something new.

Classic

The classic 9x9 puzzle across five realms, with five difficulty levels.

A Classic Sudoku in Coral Lagoon

Killer Sudoku

No clues, just cages. Digits in a cage add up to its sum.

A Killer Sudoku with cages and sums

Diagonal

Both long diagonals must hold 1 to 9 too.

Time Attack

Beat the clock. Every finished line adds 15 seconds.

Zen

No timer, no hearts. Just you and the puzzle.

Odd-Even

Grey discs hold even digits, white cells odd ones.

Jigsaw

The boxes are wiggly shapes. Each one holds 1 to 9.

Mini 6x6

A quick 6x6 board using 1 to 6. Great warm-up.

Take a break. Keep your brain busy.

Five more number games live in the same cozy style.

A Kakuro puzzle
  • 2048

    Slide and merge matching tiles all the way to 2048.

  • Number Match

    Pair numbers that match or add up to 10.

  • Kakuro

    A crossword made of sums. No repeats.

  • Nonogram

    Use the clues to fill in a hidden picture.

  • Drop Merge

    Drop numbered blocks and chain big combos.

A game of 2048

Weekly events, holiday surprises.

A new event opens every Monday with its own goal and a big reward. Holidays bring limited prizes, like special board themes you can only win once a year.

This week in the portal

Star Shower

Earn 3 stars on 5 puzzles

450 + chest
Star Shower3 stars on 5 puzzles
Speed WeekWin 4 Time Attacks
CrossroadsWin 3 Diagonal Sudokus
Zen RetreatWin 4 Zen Sudokus
Jigsaw JamWin 3 Jigsaw Sudokus
Odd or EvenWin 3 Odd-Even Sudokus
Mini MarathonWin 6 Mini 6x6 puzzles
Frost FestivalSolve 8 puzzles in any mode
Cage CarnivalWin 3 Killer Sudokus
Pumpkin PartyHoliday event · limited board
New Year CountdownHoliday event · limited board

Collect and customize

Forty buddies. One cozy collection.

Unlock cute buddies and beautiful board themes, from soft pastels to dark night themes that are easy on the eyes. Open treasure chests full of coins and hints, and earn trophies that keep leveling up.

A board in the Sakura theme
A board in the dark Midnight theme
A board in the Mint Breeze theme

Treasure chests

Win puzzles to fill a chest, then crack it open for coins and hints.

Board themes

Mint Breeze, Peach Sunset, Lavender Dream, Sakura, Ocean Breeze, High Contrast and more.

The Trophies tab

Trophies that grow

120 trophy levels, plus Game Center achievements and leaderboards.

Helpful, never stressful.

Every puzzle has exactly one solution, and the tools are always one tap away.

  • NotesPencil in candidates. They clear as you play.
  • HintsStuck? A hint fills in the right number.
  • UndoChanged your mind? Take it back.
  • EraseClear a cell and try another idea.
Works offline
No connection needed.
Saved to iCloud
Progress follows you to a new device.
iPhone and iPad
Made for every screen.
Game Center
Leaderboards and achievements.

Questions

Good to know.

Something else on your mind? Every message is read.

Email support
Is Sudoku Portal free?

Yes. Sudoku Portal is free to play, with optional ads and in-app purchases. You can remove ads anytime with a one-time purchase.

Can I play without an internet connection?

Yes. Every puzzle and game works offline.

Will I lose my progress if I get a new iPhone?

No. Your progress is saved to iCloud, so it follows you to your new iPhone or iPad when you sign in with the same Apple Account.

How hard are the puzzles?

There are five difficulty levels, one for each world: Easy in Meadow Gate, Medium in Sunstone Dunes, Hard in Coral Lagoon, Expert in Frostspire and Evil in the Void Nebula. Zen mode has no timer and no hearts if you just want to relax.

I missed a Daily Portal. Can I still play it?

Yes. Tap any past day in the monthly calendar to play it. Complete the full month for 500 bonus coins and a treasure chest.

I bought something and it's missing.

Open the Shop and tap Restore Purchases, signed in with the same Apple Account you used to buy. If it still doesn't appear, write to apps.jabbari@gmail.com.

How do I send feedback or report a problem?

Use Feedback in the game's Settings, or write to apps.jabbari@gmail.com. Every message is read.

The portal is open.

Free on iPhone and iPad. A few calm minutes a day, and a sharper mind.

Download on the App Store
The fox, bunny, bear and dragon buddies running out of the portal