Charm Quark

Charm Quark Title Banner

Charm Quark is a science-inspired puzzle game with a unique rotating play field.

It was released on the Apple App Store in 2012 and since it's no longer available due to incompatibility with iOS 13, I've made the source available at

Game Play

  • Swipe to rotate the puzzle.
  • Fire the next particle by tapping the left side.
  • Match 5 particles to score.
  • Earn bonus points for combos and larger matches.
  • Particles have mass and inertia. Aim carefully!
  • Keep the particles inside the detector ring!

Game Modes

Time Attack

  • How many points can you score before time runs out?
  • The game starts with 60 seconds on the clock.
  • 20 seconds are added for every 5 matches.


  • Can you survive past level 10?
  • Particles are fired automatically.
  • Firing rate is increased every 5 matches.


  • No time limit or automatic drops.
  • Learn the basics and practice combo techniques.


  • Unique and intuitive rotating puzzle!
  • Large Hadron Collider inspired graphics
  • High speed gameplay with smooth 60 frames-per-second animation
  • Scientifically calibrated soundtrack!
  • Game Center leaderboards and achievements
  • Twitter support
  • Universal app with iPad and iPhone / iPod Touch support
  • Retina graphics!

Supported Devices

  • iPhone 3GS or newer
  • iPad (all models)
  • iPod Touch 3rd generation or newer
  • iOS 4.3 < 13.0