Square Enix announced the release of Kingdom Hearts 358/2 Days for the Nintendo DS, a new game in the RPG franchise now reuniting Disney and Final Fantasy characters and featuring fully 3D environments and characters, gigantic boss battles, an orchestral soundtrack, a multiplayer mode where four players can team-up as their favourite Organization XIII members and a wide variety of missions to complete across a range of huge worlds. Since its birth, the Kingdom Hearts series has shipped more than 12 million copies worldwide.