Dr. Claudio Scolastici is a former researcher at the Department of Cognitive Sciences of the National Research Council of Rome. In 2002, he started working in the video game industry as a tester for Electronic Arts. After he graduated in General and Experimental Psychology with a specialization in Artifi cial Intelligence, he worked as a consultant game designer for Italian game developers such as SpinVector and Palzoun Game First. In 2012, he joined the No.One indie team to develop XX La Breccia, the fi rst quality fi rst person shooter ever made in Italy using the Unreal Engine. Today he authors tutorials on game development for Digital Tutors and Game Programming Italia, and acts as a game design consultant for indie developers and start-ups in Rome, where he currently resides. David Nolte graduated with a Bachelor of Fine Arts degree from the University of Hawaii, Manoa. He spent 15 years in the advertising industry in Honolulu, working his way from paste-up artist to print production manager. He then worked 23 years in the video game industry as a game designer and production manager. Most of that was time spent working on Tetris and its variants for a variety of platforms. He was the producer of Faceball 2000, the only real-time fi rst person shooter released on the original Gameboy. It won best Gameboy Game of the Year award at the Consumer Electronics Show, 1991. He has over 20 published games to his credit on a variety of platforms.