It’s inevitable. Ever since the success of their first outing a few years ago, Sega’s Sonic and Nintendo’s Mario have managed to shake off their whole 16-bit rivalry in favor of collaborative sporting efforts, usually revolving around the Olympic games. Like clockwork, just in time to celebrate the 2012 Summer Olympics in London, Sega has released yet another compilation featuring the duo, as well as their respective casts, in 50 various mini-game sporting events. It sounds like a fun time. Unfortunately, for the most part, it isn’t.