Castles & Crusades

Castles & Crusades is a role-playing game published by Troll Lord Games in 2004. It was conceived as a reimagining of Basic and Advanced Dungeons & Dragons using streamlined mechanics from third edition Dungeons & Dragons. The game uses many of the d20 System mechanics, but eliminates skills and feats and expands the number of character classes to 13. Another feature is the reversion of some rules to the original versions seen in Basic or first edition Advanced Dungeons and Dragons. The system that Castles & Crusades uses is called the SIEGE Engine. A significant new mechanic is the notion of Primes. Players designate some of their character's attributes as Prime. These Prime attributes use a challenge base of 12, while non-Prime attributes use a challenge base of 18. Tasks based on the Prime attribute are therefore much easier to accomplish than those based on non-Primes. Primes allow a wider variety of characters to be created because characters of same class may... full article at wikipedia