The Nintendo DS is a video game handheld developed by Nintendo. It is the first console on which a Nintendogs game has been released. It is the predecessor to the Nintendo 3DS. Nintendogs was a launch title, also available in several bundles, for the original Nintendo DS. Nintendogs + Cats was a launch title for the breakthrough Nintendo 3DS. Nintendogs is compatible in all Nintendo DS systems (Nintendo DS, Nintendo DS lite, Nintendo DSi, Nintendo DSi XL, Nintendo 3DS and Nintendo 3DS XL), while Nintendogs + Cats is only compatible with the Nintendo 3DS and Nintendo 3DS XL.