Steampunk: Alchemist Revenge

You are a team of investigators following the disappearance of an English professor, now discovered to be a mad alchemist. The search led you to his safe house but it seems your evil opponent lured you into this trap in order to play his insidious game. Upon entering, the timer on a bomb begins counting down the seconds from 60 minutes. Hurry to find your way out and disarm the bomb before half of the city is blown to smithereens!