My judgment is based on two things: Does it do what it claims to do, and does it do what I need it to do for the campaign I'm planning. I often want a universal system because it doesn't come with "setting baggage", or because I want to combine genres.
I think that different "universal" rule...
Following our first small but successful Kickstarter campaign, and the fulfilment of all ouf our backers, we've released our core book to everyone.
Principia Canonica is a narrative roleplaying system for groups who want their characters' decisions to drive the story. Instead of relying on...