The idea for Mixtape , Beethoven and Dinosaur’s latest musical adventure, started with a song. Specifically, “That’s Good” by Devo , the song that opens the game as Stacy Rockford and her friends skateboard into their final night together in Blue Moon Lagoon. Creative director Johnny Galvatron tells Kotaku that he wanted to build a game that could have that song in it, and then the idea of a game about a mixtape of Galvatron’s “greatest hits of all time” began to form. “I’m a big Devo fan,” Galvatron says. “There seems to be this weird, Devo-shaped hole in my heart, and when I listen to Devo, it just goes in and I feel complete. So I love that song and we started out and then we were like.…