pesblog.be have uploaded a video, showing an entire match contested between the CPU on Superstar difficulty on PES 2012.
The match is between Real Madrid and FC Barcelona.
prorevo have also uploaded a video showing a full match on Superstar. In this case, the game is between AC Milan and FC Barcelona.
Superstar is an unlockable difficulty which will be available in the PES shop on PES 2012.