target number; abbreviated "CB") of 12, while secondary attributes have a CB of 18. The game's referee, the Castle Keeper, adds a challenge level (usually from 1-10, depending on task difficulty) to the CB and the resulting number, the challenge class or CC, is the final target number required to succeed at a check. The player adds the character's level, any attribute bonuses and class bonuses to the roll of a twenty-sided die. If the result after bonuses equals or exceeds the challenge class, the player succeeds. Except for combat, the Siege Engine is used for anything that requires a check in the game. While the first two printings of the Players Handbook were virtually identical with the exception of a change in font for the headers, the third printing introduced a replacement barbarian class. The 4th printing introduced an expansion to the illusionist written by James M. Ward that allowed the illusionist to heal others. The current printing introduces a streamlined replacement to the game's encumbrance rules for faster play. Setting The core books of the game are generic with regard to setting. While players can set the adventure in any setting they wish, some settings have been published for the game. Aihrde Once named Erde, Aihrde is Troll Lord Games' home setting. Originally a setting for use with Dungeons & Dragons, a summary of the setting was originally available in the World of Aihrde Folio. Books like The Free City of Eskadia expand on the setting by covering sections in more detail. A full campaign setting, The Codex of Aihrde, was released in 2015. Bluffside Troll Lord Games' second setting for Castles & Crusades, Bluffside is a conversion and expansion of an earlier product released by Thunderhead Games. Bluffside is designed to be placed anywhere the player desires in their existing campaign, or it can be used as a campaign setting on its own. Haunted Highlands Troll Lord Games' third setting for Castles & Crusades, introduced with the "DB" series of adventures. Inzae Troll Lord Games' gritty, realistic setting for Castles & Crusades, introduced with the "I" series of adventures. References External links Troll Lord Games – the publisher of Castles & Crusades Role-playing game systems Fantasy role-playing games Dungeons & Dragons retro-clones Role-playing games introduced in 2004