Assassin's Creed 2: Discovery is a side-scrolling action-adventure video game for the Nintendo DS, part of the Assassin's Creed franchise. Released in 2009, the game departs from the open-world 3D perspective of the main series to offer a 2.5D gameplay experience. Set during the Renaissance, it follows the story of Ezio Auditore as he embarks on a journey through Spain to rescue fellow Assassins. With stealth, acrobatic combat, and historical settings, it's a unique installment in the series.