Super Mario Bros. 2Edit
Shy Guys first appear in Yume Kōjō: Doki Doki Panic and later reappear in the Western remake Super Mario Bros. 2. They served as very basic enemies that were easily defeated.
Super Mario World 2: Yoshi's IslandEdit
In Super Mario World 2: Yoshi's Island, Shy Guys served Kamek. Several new variations appeared, including Fly Guys, Spear Guys, and Boo Guys.
Mario vs. Donkey KongEdit
Shy Guys are seen as enemies in Mario vs. Donkey Kong.
Mario Kart DSEdit
In Mario Kart DS, in DS Download, the player who chooses "Join Game" is always a Shy Guy.
New Super Mario Bros.Edit
In New Super Mario Bros., Shy Guys appear in only one mini-game.
Mario Super Star BaseballEdit
Shy Guy is a playable character. In challenge mode, if the player chooses Yoshi's team, he will get a team of Shy Guys.
In Mario Tennis, Shy Guy is an unlockable character who is unlocked by beating the final cup - Star Cup. Shy Guy is wearing the normal red outfit it usually wears and has a red racket with a picture of the Shy Guy's mask on it. His special ability is "Tricky."
Mario Strikers ChargedEdit
In Mario Strikers Charged, Shy Guy is a playable sidekick. He brings a balanced approach to game, with average skills in all areas. If he gets the space, he can hitch-a-ride on a Bullet Bill and create a great scoring chance.
Mario Kart WiiEdit
In Mario Kart Wii, Shy Guys are seen in the Retro Course, Shy Guy Beach on pirate ships, which fire cannonballs that explode, often flipping a player's kart over. They also appear on the sides of varies other tracks as well.
Mario Super SluggersEdit
Shy Guy is on Yoshi's team. Five colors (red, blue, yellow, green, and gray) are available.
Mario Kart 7Edit
Shy Guy is a playable character in Mario Kart 7. This marks the first time that Shy Guy is playable without having to go into DS Download Play. He also has a course named after him, Shy Guy Bazaar.