I know Texas has one, this is how.
Before he can kill me, I activate a maser that I built into the wall of the room that we are in. The microwaves from the maser electrify that guy's armor and weapons, electrocuting him to death.
The next user is the Sun five billion years from now when its hydrogen supply finally runs dry.
I turn into a black hole and gobble up the solar system.
The next user is under mind control, and is forced to read every post in this thread in detail before they can eat, drink, or sleep.
Luckily, I was wearing vibranium boxer shorts, although the vibration from the release of energy did put a few of my vertebrae out of place...
The next user is me (AKA: HATES MEATLOAF) and you have to eat your way out of a room made of meatloaf... the idea of such a thing could make me hurl... you get the picture.