I once played Paranoia at a con in a 3-hour slot. Everyone had died within the first 25 minutes - all 6 clones for each player!I can imagine how a Paranoia mini-campaign would work, but Toon as anything other than a series of one-shots is hard for me to wrap my mind around.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.