The Delta Green campaign setting mixes classic Lovecraftian horror with modern conspiracies. Remaining essentially unchanged from previous conceptions, this edition features additional d20 conversions for all characters, creatures, rules, and spells, thus making Delta Green compatible with Call of Cthulhu d20!The Delta Green campaign setting mixes classic horror with modern conspiracies, giving the players a coherent campaign setting to work from, while preserving the edgy isolation and desperation so integral to the popularity of Lovecrafian horror. 336 pages.