Rosette Diceless is a guide to a certain style of roleplaying game. With Rosette Diceless you can take part in games with many more players than are practical for many roleplaying systems. You can easily split into groups without dividing the attention of a single game master. There's no randomness; challenge resolution is simple and based on resource expenditure, predicting your target's actions, and setting up story to enable your success.

More info at: rosetterpg.com/books/diceless/