Dan HallaganDiscover games that Dan Hallagan contributed to. Games listed on Pampa: 8.Games that Dan Hallagan contributed toObsessionObsession - Upstairs, DownstairsObsession - WessexObsession – Tuiles PromotionnellesObsession 2nd EditionObsession 2nd Edition : Characters ExpansionObsession 2nd Edition : Upstairs Downstairs ExpansionObsession 2nd Edition : Wessex Expansion