The sensors were placed on all his flex points so dozens of cameras, shooting at 120 frames per second, could correctly capture his motions.
Mauer says it was weird putting on the tight suit, but otherwise he had a good time.
"It was uncomfortable at first, but as I started doing it more and more, it started feeling more comfortable," he said.
Being on the cover of the game has become a bit of a status symbol.
Others who've done so recently include former MVPs Ryan Howard of the Philadelphia Phillies and Dustin Pedroia of the Boston Red Sox.
"It's good company that I'm joining. I'm glad to be a part of it," Mauer said.
The game will be released March 2 for PlayStation3, PlayStation2 and PlayStation Portable.