•sudoku

Rainbow sudoku with *1 million* free puzzles to play!

Heart Sudoku is a beautiful, colorful way to enjoy sudoku. Gems flip into place when you get an answer right. Tap a number to make it glow and solve the puzzle even faster. A rainbow light show celebrates your win!

There are lots of options for how to play: two keypads for faster note entry, or one with a note toggle for those who don't use many notes. Turn the timer on to compete with other players, or off to relax, whichever suits your mood. Let auto-note do the busywork for you, or leave it off for a bigger challenge. Be sure to try all three puzzle themes!

• 1 million puzzles, five levels. All Free!
• Three different puzzle themes
• Tracks your averages, records, and more
• See how you stack up against other players
• Turn off the timer for a relaxing game