Reproduction Man is a 1995 puzzle game developed by David Kilmer. The goal in this game is to clear a path so that the sperm reaches the egg, with three abilities the player can use: Swap, to switch two objects' places, Clear, to remove an object, and Block, to create a wall to block objects.

MUGG completes 11 levels in the shareware version of the game in record time. Various tricks were used in this run; please read the author's notes for more details.