La Pierre de Brunswick [Brunswick Stone]

Permanently Closed - A mysterious scientist lives in the XVIII century house at the Bourg-de-Four Square right in the centre of Geneva. It is rumoured that he possesses an exceptional relic – a precious stone that disappeared from the famous collection of the Duke of Brunswick in 1873. Your team is asked to collect evidences and reveal the truth. You have only 60 minutes for your mission and need to escape before the scientist arrives.