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Smart Bloxx

Dots and Boxes for iPhone

Close a box. Light a star.

Take turns drawing a line between two dots. Close the fourth side of a box to claim it, then go again. Kids learn it in a minute, and the chains keep grown-ups thinking. Version 1.1 turns it into a journey through the Dotverse.

Download Smart Bloxx on the App Store Try a round here
  • iPhone · iOS 18.6 or later
  • 5 languages
  • No ads
  • No tracking
  • No in-app purchases
Robot A 00
vs
00 Robot B

How to play

Three rules. Endless tricks.

  1. Draw a line

    On your turn, connect two neighbouring dots with one line.

  2. Close a box

    Draw the fourth side of a square and it's yours. Then you go again.

  3. Own the most

    When every box is taken, the player with the most points wins.

  • Learn it in a minute

    Quadot's playable tutorial shows every move, and every box you close lights up the board.

  • Think ahead

    One careless line can hand over a whole chain of boxes. Spotting the safe moves is all about planning.

  • Play together

    Pass the iPhone to a friend, or take on robots that each play their own way.

Trailer

Quadot's Star Journey

The constellations of the Dotverse have gone dark. Every box you close relights a star.

Quadot's Journey

Five worlds. Forty missions. One Gloom.

The Gloom has swallowed the constellations of the Dotverse. Fly with Quadot from the Nebula Nursery to the Gloom Gate on a galaxy map and relight the sky, one box at a time.

  • Earn up to three stars in every mission: one for the goal, two for extra challenges.
  • Solve puzzles and master boards with holes, frozen lines and golden supernova boxes.
  • Quadot guides you with a playable tutorial, mission briefings and friendly tips (you can turn tips off).
  • Robots that each play their own way, and the Gloom, who knows real endgame strategy.
Quadot, a small white robot, pointing the way The Gloom, a dark violet cloud with glowing eyes
  1. 1 / 5 Nebula Nursery
  2. 2 / 5 Asteroid Hollows
  3. 3 / 5 Cryo Rings
  4. 4 / 5 Ember Forge
  5. 5 / 5 Gloom Gate

Daily Constellation

A new board every day. The same for everyone.

At midnight UTC a fresh Daily Constellation appears, and every player gets the same board. Your first finished game counts; after that you can keep practising. Then share your result card if you like.

  • Three daily quests earn you stardust, and your streak keeps glowing when you complete one each day.
  • A Home Screen widget shows today's constellation and the time until the next one.
  • An optional daily reminder stays off until you turn it on in Settings.
New board at 00:00 UTC

Achievements

34 medals to discover.

Bronze, silver, gold and cosmic medals reward your journey, your skill and your daily dedication. A few of them are secrets.

Game Center, if you like

Sign in to Game Center to compare scores and collect your medals there too. It's optional: Smart Bloxx stays fully playable offline and without an account.

  • Leaderboards for classic matches, the Daily Constellation, journey stars and your best combo.
  • On iOS 26: challenges for friends and activities that open straight into the game.
  • Bronze
  • Silver
  • Gold
  • Cosmic

The Hangar

Make it yours.

Spend the stardust you earn from quests, missions and achievements on glowing line styles and new looks for Quadot. There's nothing to buy with real money.

5 line styles

  • Neon
  • Aurora
  • Plasma
  • Solar
  • Candy

3 looks for Quadot

  • Classic
  • Candy
  • Gold

3 app icons, all free

  • Nebula
  • Quadot
  • Galaxy

Quick Play

Play a friend or take on the robots.

Start a classic match in seconds: choose who's playing, human or robot, and pick your challenge.

  • Pass & play: hand the iPhone to a friend and duel on one screen.
  • Three robot levels, each with its own style.
  • Watch two robots play each other and learn their tricks.
  • Crosses, L-shapes, frames and random symmetric boards, and you can edit the board before you start.
  • A Hall of Fame for your best wins.

Master the board

Learn the double-cross.

Anyone can close a box. Winning is about chains: rows of boxes that fall like dominoes. Open one at the wrong moment and your opponent takes them all, unless you give away two boxes on purpose to keep control.

Quadot, thinking hard
Chain
A run of boxes that can be captured one after another in a single turn.
Double-cross
Give away two boxes on purpose so your opponent has to open the next chain for you.
Safe move
A line that doesn't give any box its third side. When these run out, the chains begin.

Siri & Shortcuts

Just ask.

Start today's Daily Constellation, continue your journey or begin a quick match with Siri or the Shortcuts app.

  • Play today's Daily Constellation in Smart Bloxx
  • Continue Quadot's Journey in Smart Bloxx
  • Start a quick match in Smart Bloxx

Good to know

iPhone
Requires iOS 18.6 or later.
5 languages
English, Deutsch, Français, Español and Italiano.
Plays offline
Every mode works without internet. Game Center is optional.
Fair play
No ads, no tracking, no in-app purchases, no account needed.
Accessible
VoiceOver on the journey, very large text sizes and Reduce Motion throughout.

Smart Bloxx 1.1

Ready to light up the sky?

Get Smart Bloxx for iPhone on the App Store. Five languages, no ads, no tracking, no in-app purchases.

Download on the App Store