Games are really growing. It used to be mostly about entertainment, and now it’s about pretty much everything else as well. Th e area of “serious games” has beneﬁ tted from the omnipresence of games, but has also helped inﬂ uence them by showing how games can be so much more than runof-the-mill shooters for teenage boys. During the last years the game industry grew in value from € billion to € billion, and each week the people of this planet are spending something like billion hours playing. We’re playing in a number of diﬀ erent ways. We see people doing it on their phones, on Facebook, on their TV screens, and on websites. Th e range of platforms, channels, and genres oﬀ ered for diﬀ erent player types is immense, and the game industry seems to have “cracked the code” for making games a mainstream oﬀ er.