Kirby Mass Attack is a 2011 platform game developed by HAL Laboratory and published by Nintendo for the Nintendo DS. The game is a spin-off of the Kirby series and features a unique gameplay mechanic where players control multiple Kirbys at once. In Kirby Mass Attack, players must guide a group of 10 Kirbys through a series of levels. The Kirbys can be moved around individually or as a group, and they can use their Copy Abilities to defeat enemies and solve puzzles. The game also features a variety of mini-games that can be played with multiple Kirbys. A fanart Kirby progress bar for YouTube with Kirby Mass Attack.