james bond gun is the silenced PP7 (don't forget james bond was a spy who tried to stay undercover) (you could also say his favorite gun was an innappropiate extension of himself seeing as he was a lady killer haha XD )
the room full of methane would do nothing except kill the person in the room trying to light the match since the match would not light due to too high of conentration of methane to oxygen ratio, i believe it has to be 14 parts compared to oxygen(correct me if im wrong on that)
If you are stuck on a project, check out the tutorials I made here at this link: