This Munchkin t-shirt is themed for Munchkin Apocalypse. It has a picture of the Munchkin Man and asteroids falling to Earth, with the words "The world is ending. Level up now!
The shirt-specific Munchkin rules (items #2 and #3 from the main board game description) are as follows:
| Wearing the Munchkin Apocalypse T-Shirt allows you to block the Undead or Shark monster-stacking rules for one combat per game. The signatures of Steve Jackson, Andrew Hackard, or John Kovalic on the shirt gives you additional uses, to a maximum of four per game.