Spurlos Verschwunden [Disappeared Without A Trace]

A new energy source? An industry in transition. Can climate change be stopped or are money and greed too powerful? Find the missing person and solve the mystery. Four strange crystals were discovered during an archaeological survey during a major construction project. Are these crystals the key to a new energy source? What did the disappearance of chemical engineer Dr. Christian Waltensberger to do with it? Only you, as a team of 2-6 scientists, have the necessary skills to solve the mystery of green mobility. Your head is required for this escape room.