Duck Jump (named Duck Jump Duo in the British English version) is Duck Hunt's up special move in Super Smash Bros. for Nintendo 3DS / Wii U and Super Smash Bros. Ultimate. The duck starts to fly up into the air, carrying the dog with it. Players can control their horizontal movement while the duck flies, but cannot end the move early on their own.
In Super Smash Bros. for Nintendo 3DS and Super Smash Bros. for Wii U, the Duck Jump's first custom variant is Duck Jump Snag, which involves the dog also biting any nearby fighters, but the duck cannot fly as high. The second is Super Duck Jump, which pushes the duo high into the air, creating a whirlwind that pushes away opponents, but the player cannot move as far horizontally.