How do you level up really fast for your moshi monsters. is the most asked questions on google. I play this game every day. There are several alternatives that you can do to achieve it. As an example I get Level 8 in 2 weeks, My Username is nenengjuwita
Some tutorials I have wrote before, you can follow that instructions.
This works best:
1. Get many points as you can from daily challenge at Puzzle Palace.
2. Do lots the Hall of Puzzles.
Do some puzzles everyday and you will level up in a couple days.
3. Buy a piece of Roarsberry Cheescake at Monstro City and feed it to your monster.
5. You need to have a good health and happiness (above 500). Besides feed your monster, buy them stuffs such as furniture, wall decor and flooring.
6. Make more friends by add me on www.MoshiMe.com/nenengjuwita
7. If you have a lot of Rox, buy new double house and change the style.
The 8 steps above are the most commonly used. Have other tips? please comment.