Sherlock Holmes, Consulting Detective: Baker Street IrregularsSherlock Holmes, Consulting Detective: Baker Street Irregulars is a cooperative game. Players try to solve mysteries by interviewing suspects, searching through newspapers, and walking the streets of London for clues. In Baker Street Irregulars, ten brand new cases written by a British specialist of Sherlock Holmes, players embody the Irregulars, the young kids helping the most famous detective ever during his investigations.