If you go there, you'll find my video walkthrough, played by me. I'm basically playing through the game in order to help out those who get stuck(and later I'm going to change the descrpitions so that I'll be advertising this site =P). I'm aware that the design on the levels may change sometimes, but the next level portal doohickey thing stays the same from what I've experienced. SO use it to fight bosses and find portals! I'm not quite done yet, as I'm only up to world 5. But that has one level in it so I'll finish it dast. Expect to see this series done within the next week or so. Enjoy!