2014 · ソースブック（プレイを拡張するルール／オプション）
Investigator Weapons, Volume 2: Modern Day
A modern-era reference for firearms and other weapons used by investigators and cultists in Lovecraftian horror roleplaying. It covers handguns, rifles, assault rifles, shotguns, submachine guns, machine guns, launchers, melee weapons, explosives, and special ammunition, with detailed descriptions, illustrations, variant models, and game statistics. The book also collects rules for firearms combat, injuries, and environmental conditions, alongside optional rules for expanded play. Guidance covers typical weapons for non-player characters and cultists, weapon operation, the effects of magic on firearms and ammunition, and how firearms affect Mythos creatures.
無料・Web、Android、iOS対応
LudoyaでInvestigator Weapons, Volume 2: Modern Dayを遊ぼう
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。