Yes. But you can do this with a minimum of practice using the Easy Mode. When the game opens, don't press start until you press the wizard at upper left.
(see the related question)
you beat the game then give twisted wizard to Rowley
all u have to do is surround the wizard with bricks and then shoot the orge
Yes, you do. (see the related questions below)
You need to beat twisted wizard
You go to the snowplow with the frozen windshield near the school.
you have to set twisted wizard on easy mode (click on wizard) and then you have to beat the game.
Yes, in order to get the game CD and take it to Rowley's house.
Yes, all of the challenges have to be defeated to beat the quest. (See the related question below for some advice.)
first give him the cheats in rowlys locker and he will beat twisted wizard
Although Greg beats the game, you will still need to beat it. Get the Twisted Wizard Guide from Greg's locker at the school, then click the TV at his house to begin play. Click the Wizard at upper left before you click start. (see related question)
you have to go to the school and click on the locker that is whiter then the rest and put in the locker code: 9, 37, 15 then you will get a twisted wizard game guide which then greg makes you beat the game for him!
There is a written solution at the related question below. You recover the Twisted Wizard guide from Greg's locker at school and then click on the TV that he is using as a monitor. There is a video walkthrough at the related link below.