Jean-Marc Haessig - is a video game designer. Jean-Marc Haessig began his career in 2012 and has worked for companies such as Black Forest Games, HandyGames and bitComposer Entertainment. Jean-Marc Haessig's first game was Giana Sisters: Twisted Dreams which was released 11 years ago. Best Game Jean-Marc Haessig contributed to was Giana Sisters: Twisted Dreams. Jean-Marc Haessig's latest work is Giana Sisters: Twisted Dreams which was released 11 years ago.