Meta Knight also appears in several spin-off games in the series. He makes brief appearances in "Kirby's Pinball Land" and "Kirby's Avalanche". In the latter, his name was revealed for the first time, where he is the penultimate challenger. He is an unlockable character in "Kirby Air Ride" and "". Meta Knight is a boss in "Kirby's Epic Yarn" and appears as a boss in two sub-games in "Kirby Mass Attack". Though he is absent from "Kirby and the Rainbow Curse"s story mode, Meta Knight appears as a collectible figurine. The game is also compatible with the Meta Knight Amiibo, which Kirby can use for a temporary increase in attack power.