Awesomesauce is a game is even simpler than Risus, and allows anyone to pick up a set of d6′s and play instantly. Instantly.
Name your character. Set their Awesomesauce at 1. Play. Roll a number of dice equal to your Awesomesauce. If you beat a monster, your Awesomesauce goes up by one. If you roll lower, your Awesomesauce drops. That's it.