The term “full” in your query likely refers to the complete content package. Kao the Kangaroo on Switch supports two major DLC chapters, which are not included on the base cartridge:

Load the primary Kao the Kangaroo NSP file first. Do not launch the game yet.

The initial launch version of many Switch games can have performance quirks. The latest updates for Kao the Kangaroo have refined:

Keep your console's custom firmware (CFW) or emulator signature patches (sigkeys) updated to the latest version to properly decode newer game updates.

The story is straightforward: Kao is looking for his missing sister and father. It’s family-friendly and voice-acted with a lot of energy. The writing doesn't take itself too seriously, often breaking the fourth wall or making puns. It’s charming, though perhaps a bit juvenile for adult players looking for deep lore.

Just when Kao thought he was overwhelmed, the "dlc" began to download. A new set of levels appeared, each more challenging than the last. Kao found himself exploring a sunken city, a frozen wasteland, and even a futuristic space station. Along the way, he met new allies who helped him on his quest, including a wise old owl and a feisty little squirrel.

Ensure you have the latest Prod.keys and Title.keys installed to parse the latest game updates and DLC.