you turn off the power in the laundry room.
you have to get rowlys joshie membership card and that's how you open it ( !)
you don't
Use it to open the laundry room door at Gregs house.
Wimpy Wonderland
Once you get the Joshie Card, you can put it in the slot to open the Laundry Room.
you open the laundry room door with it in Greg's house.
You go inside the open window on the top of the building
to do so get the guys bingo troll and you can get in
it's a trick I completed the island and didn't need to open it
If you have the credit card you can open the Heffley's laundry room and turn off the basement electricity. Rodrick will leave the house. Now you can get in the garage. Take the leaf blower and use it on Fregley.
Open up the locked door in Greg's house.
You can't open the door. It has no use for completing Wimpy Wonderland