Here's a joke for you, mate!
Why did the chicken cross the road? To get to the other side, duh! (Level 5: The Punderground)
Wherein lies the land of the truly absurd, where a pun is a pun and a half! Level 7: The Pundamental Theorem
Let us know, and perhaps we'll even give you a Pun-filled Certificate of Completion! (Level 8: The Puns-itive Feedback Loop)