This alternate coloration is used for Kirby in the Super Smash Bros. series, Kirby Air Ride, Kirby 64: The Crystal Shards (as the third player in sub-game mode), and as a playable character in Kirby's Return to Dream Land.
Kirby turns blue when using the Ice and Freeze Copy Abilities in some games (namely in all of their appearances through Kirby: Nightmare in Dream Land and in Kirby Super Star Ultra) and in Kirby: Right Back at Ya!.
There are two blue-colored Spray Paint palette swaps for Kirby in Kirby & The Amazing Mirror and Kirby: Squeak Squad. The Ocean Spray Paint closely resembles Blue Kirby. The Sapphire Spray Paint resembles Meta Knight's coloring.
In Kirby Mass Attack, a Kirby will turn blue when he is injured.
In Kirby's Return to Dream Land, Blue Kirby's cheek blushes have a noticeably more violet hue, in contrast with the traditional bluish shades in past games.