Chuubo’s Marvelous Wish-Granting Engine: RPG.net Review

“Chuubo’s is the only game I’ve tried where I can confidently sit down with zero prep, no adventure, nothing, and by the end of the first session a full plot has developed via nothing more than the players having fun and roleplaying their characters.”

https://www.rpg.net/reviews/archive/16/16250.phtml