The Old State House (206 Washington St.) is hosting the interactive mystery game Echoes of the Past, and a Stamp Act Protest Commemoration and Reenactment on Saturday, August 13th. 

Echoes of the Past sends you into Boston's past to search for clues. There will be three sessions of the game: one at 1 pm, another at 2 pm and the final at 3 pm. The Stamp Act Protest Commemoration and Reenactment will be at 4 pm and is the Bostonian Society's annual commemoration of the Stamp Act protest. All of these events are free.