Let's imagine, for a moment, that 2011 Wii game The Legend of Zelda: Skyward Sword had been released a little earlier. Early enough to have wound up on the Game Boy.
Artist Constantin Georges provides the illustration of this fantasy, mocking up both box art and some impressive screenshots to go with it.
The Legend of Zelda Skyward Sword sur Gameboy ! [Sans Emploi, via Tiny Cartridge]