The Prime Minister of Singapore is such a great fan of Sudoku that he’s even gone so far as to create an algorithm to solve the most complicated grids, which he then published on his Facebook page!

Don’t use it to cheat in “Sudoku” though, get those brain cells working! Especially with the four levels of difficulty, there’s something for everyone! (Re)discover the great classic cleverly designed for the iPhone, and have fun solving an incredible number of grids!

“Sudoku” is the 100% free app of the today.

Sudoku ∙

Echo Dawn: Shattered Visions drops in price from $0.99 to $0 for today only.

Echo Dawn: Shattered Visions
Maze Lord

Maze Lord drops in price from $0.99 to $0 for today only.

Maze Lord

12 Labours of Hercules II: The Cretan Bull drops in price from $1.99 to $0 for today only.

12 Labours of Hercules II: The Cretan Bull
BlastBall MAX

BlastBall MAX drops in price from $1.99 to $0 for today only.

BlastBall MAX
Blue - weather forecast

Blue - weather forecast drops in price from $0.99 to $0 for today only.

Blue - weather forecast

Habit List: Build a better you drops in price from $3.99 to $0 for today only.

Habit List: Build a better you