During level 23 Papa smurf will give you the first riddle as following: “I may seem tough, I may seem dry, but beneath the surface I make you cry. What am I?”
Hint: It’s a crop. Plant the crop mentioned in the riddle. So you will earn an additional 900 XP.
Remember! Avoid to click on “Show Solution“ below only if you stuck, otherwise this might spoil it and take away the fun of finding the solutions on your own.[spoiler effect="slide" show="Show Solution"]
Solution: Onions. Just plant a crop of onions and harvest it when it is ready[/spoiler]