The absolutely fantastic Final Fantasy Versus XIII. It's a trailer that was first shown at the E3 2006 Expo and Tokyo Game Show.
This is the yet unreleased action role-playing game (rpg) developed and published by Square Enix exclusively for the Sony PlayStation 3 video game console.
Alongside Final Fantasy XIII and Final Fantasy Agito XIII, the game is a part of the Fabula Nova Crystallis Final Fantasy XIII compilation.
The game itself should be out sometime in 2008 (some experts even predict 2009).