CORE RULES

Delta Green: The Role-Playing Game: a slipcase set including the Agent’s Handbook and the Handler’s Guide — pdf | slipcase set with two hardbacks

Agent’s Handbook: complete rules for creating Agents and playing the game — pdf | hardback | foundry | roll20

Handler’s Guide: game moderator tools including the history of Delta Green; unnatural tomes, rituals, entities, and Great Old Ones; tips and tools for creating new unnatural threats and scenarios; deep details of the Delta Green organization—and the other conspiracy that claims it is the real Delta Green; and a sample scenario, “The Sentinels of Twilight” — pdf | hardback

The Fall of Delta Green: a Gumshoe adaptation of Delta Green: The Role-Playing Game set in the 1960s — pdf | hardback