You've been pressed into community service for breaking interplanar law. You're going to have to be clever to finish their impossible tasks efficiently and get your sentence commuted, all while playing by the rules (at least while the Inevitables are watching).
This is a lighthearted series of adventures intended for characters level 8-12 in the Planescape setting. It's what happens when a game of Paranoia is set in Dungeons and Dragons.
The Pcs discover an ancient, dusty oil lamp, somewhere in the bowels of a dungeon. Naturally they "rub it", and out pops a wizened, old djinn. So far so good. Then it speaks...
"Ah at last, at last I am free! Now grant me my wish!"
When the PCs explain that they are the ones that should be granted a wish, the malignant djinn explains to them that his particular oil-lamp has a curse placed upon it. Whomsoever releases the entity inside shall be geased to grant the djinn's wish to the best of their ability.
Groans ensue from the party. The djinn rubs his wrinkled hands, grins, and proceeds to name his wish. What could it be?