Solve 5 questions in a row with no hints.
Solve 10 questions in a row without hints.
Solve 15 questions in a row with no hints.
Use the "Expose A Letter" Hint!
Use the "Remove Letters" Hint!
Use the "Solve This Question" Hint!
Purchase any coin pack.
Use the "Ask Facebook" hint while playing.
Complete level 1.
Complete level 5.
Complete the entire game.