You have to go find Greg
go in Manny's room which is up stairs. Go out the window
he is still playing a game
you go into the most white locker and click it there you will find the cheats for Greg
you go to gregs house and go to the bathroom
Go to Youtube.com and type in the same question and videos will show up.
in kansas
you just go to the left to surrey street and gregs house is the first one on the street
Greg does not go anywhere on Wimpy Wonderland. When you first see him, meet him at his house and he will be playing video games while you are out searching for Manny.
33c
talk to greg and go outside manny will pull up in the truck and go inside you'll get him and go home hoped this helped :)
you go in to Greg's houseyou go up to Manny's roomgo to the other side of the roomthen go out the windowPOOF... you're on the roof