The output of your computation can't even be the right order of magnitude. (That's just 1.5M EUR). Massive seems to take three years per game, and according to

The output of your computation can't even be the right order of magnitude. (That's just 1.5M EUR). Massive seems to take three years per game, and according to Wikipedia has 650 employees. It's pretty hard to see how you get to 20x from there.