London 2012: The Official Video Game is the official Olympic video game of the 2012 Summer Olympics in London.
It is also the second official video game based on the 2012 Olympics, the other being Mario & Sonic at the London 2012 Olympic Games.
The game features an online mode for players wishing to compete with other challengers worldwide. The "national pride" is a ranking system in the online mode, where the players have the possibility to collect medals for their favorite country.
It is compatible with PlayStation Move and Xbox Kinect for certain events in the party mode.
London 2012 is the first olympic video game that includes cooperative events in the local multiplayer mode.
Source: Wikipedia, "London 2012 (video game)", available under the CC-BY-SA License.