One way to get better at Ruzzle is reading the tips and tricks for Ruzzle on this website. When you read the tips you'll play the game much better, and you'll beat your friends. This website will help you to improve your gameplay.
The hints on this page are much better than all the cheats for the game, because cheating doesn't make you play the game better. It's cheating against your opponent. My opinion don't cheat with this game, play fair.