Unquiet Dead is an expansion for the second edition of Gloom, introducing 55 transparent cards that add new layers of macabre humor and strategy. This set brings in Undead Modifiers, allowing characters to exist in a state that's both living and dead, thus affecting scoring and gameplay dynamics. Additionally, Story Cards offer players unique advantages but can be contested and stolen by others, adding a competitive edge to the narrative. The expansion also introduces Timing Symbols, clarifying the duration and impact of card effects.