: Not all Wii U games are compatible with Cemu, and the compatibility list is constantly being updated. Check the Cemu wiki or forums for the latest information on game compatibility.
Before we dive into downloading or sourcing, you must understand the basic cryptography of the Nintendo Wii U.
CEMU is a legitimate emulator designed to preserve and play Wii U games on modern hardware. The developers of CEMU do not condone downloading games or keys from the internet if you do not own the original software.
Title keys are encryption keys used to protect Wii U game content. Each game has a unique title key, which is used to encrypt and decrypt the game's data. Cemu requires these title keys to be present on the user's system in order to play Wii U games.