: You can open the briefcase by using a Hammer (the most thematic choice), asking Frank if you have high friendship, or getting Arin from the Game Grumps to help.
: Go to the Art Room, grab the Broom from the closet, and use it to poke the briefcase off the roof outside. house party liz katz guide
The party isn't over when the last guest leaves. : You can open the briefcase by using