The Legend of Zelda Zone is a DLC level in Sonic Lost World that is exclusive to the Wii U version of the game. It was released as a free download on the Nintendo eShop on March 27, 2014. Sonic Lost World: The Legend of Zelda Zone
"Dr. Eggman has discovered the supercharged element ragnium on the mythical Island of Ragna Rock. He mines it as a fuel source, piping off the messy by-products of the operation to adjacent islands, creating fire and ice gameplay. Using this fuel to power [...]
After Sonic defeats Dr. Robotnik at the end of Sonic the Hedgehog 2, his space station, the Death Egg, crash-lands on a mystical floating landmass called Angel Island (or simply "the Floating Island" as it's called in the game manual). As Dr. Robotnik [...]