If you're stuck on a level, here are some tips:
If this is not sufficient, try to get some help from another user. We believe a lot in social aspects for learning! Ask a friend, a brother a sister! Our facebook community is very knowledgeable too!
Finally, if no one is around to help you, look at the video game walkthroughs we've put online, or hit us with an email firstname.lastname@example.org !