In the game Call of Duty : WWII , there is a new energy called Geistkraft , which literally translates as `` Spiritforce '' .
Klaus has been unwillingly working with their lead scientist Peter Straub ( Udo Kier ) and weapons expert Colonel Heinz Richter ( Tomm Voss ) on a project to exploit a new energy dubbed `` Geistkraft '' to assist the Nazi party 's war efforts .
Call of Duty-COLON- WWII