We Are All Mad Here: Cypher System RPG - Rules of Play says:

Run one-shots based on traditional stories or those of your own devising. Or build entire campaigns that take the fairy tale concept in whole new directions. We Are All Mad Here includes:

• A thorough exploration of the fairy tale genre: how it differs from conventional fantasy, how to build on common tropes, and how to bring fairy tale elements into other genres.
• Advice for running fairy tale games, including tips for one-and-done adventures reminiscent of fairy tale stories.
• Much much more!