There are 4 different difficulty levels: 1 vocabulary of 5000 most frequently used words. 2 vocabulary of 10000 most frequently used words. 3 Clues from dictionary explanations. 4 Clues of true crossword levels. How to proceed when you meet obstacle? In the left bottom there is a menu button, there are options to get help. 1 reveal relevant 2 reveal word 3 reveal puzzle 4 ask friends with a text message or mail 5 ask friends with an image How to earn more star? 1 solve more puzzles. Every single solved word will give you stars. 2 watch rewarded AD. 3 upgrades to pro version. Enjoy and Progress!