This is a list of pre-release and unused content for the game Super Mario World 2: Yoshi's Island.

Early iteration[edit]

Nintendo marketing department initially pressured Shigeru Miyamoto to have the game use prerendered 3D sprites similar to Donkey Kong Country.^[1] The 3D models of Baby Mario and Yoshi used in the introduction are leftovers of this period of development.^[2]

Early concepts[edit]

• The developers experimented with several concepts for two of five years of development before settling with the final idea of 'a game where even though you hit enemies, you don’t die'.^[3] One of them was to have Yoshi move independently from Baby Mario and guide him around the levels.^[4]
• The Powerful Mario form was initially supposed to transform Baby Mario into an adult, mustachioed Mario but it was pointed out this concept would seem strange. Shigeru Miyamoto joked he still prefers this early idea to the final version.^[4]

Unused graphics[edit]

• An early sprite of Yoshi spitting out seeds

• An unused sprite of Yoshi and some magnets. Possibly indicative of a scrapped transformation

• Early sprites of Yoshi skiing

• An early sprite of the Vehicle transformation

• An unused plane transformation

• An unused mushroom transformation

• An unused tree transformation

• An early Train crossing the rails. The final version has a red 'nose' instead of matching the Yoshi's color

• Several unused Baby Mario sprites. The kanji is 仮, meaning 'temporary'

• An unused sprite of Baby Mario crawling

• An unused sprite of Baby Mario striking a victory pose

• A sprite of Baby Mario sitting in a different artstyle than the used Baby Mario sprites

• An unused but fully coded Missile Bill, but it appears in the level Endless World of Yoshis in the GBA port

• An unused Bob-omb

• An early sprite of a Big Boo

• An early sprite of a Boo

• A mockup of an Incoming Chomp using the right half of the sprite. The game only uses the left half and mirrors it

• Either an early Nipper Plant, a Muncher, or an early Piranha Plant bud

• An early Sluggy

• A spinning wrench, possibly indicative of Rocky Wrenches being planned as enemies

• Possibly the lower half of a Rocky Wrench

• An unused animation of a Shy Guy lifting an object

• An unused, smaller Shy Guy with orange highlights on its head and arms

• An early, smaller Snifit closer resembling the Shy Guy design

• Sprites of a Shy Guy and Tweeter from Super Mario All-Stars

• An unused sprite of a Bandit, likely intended for minigames

• A large Grinder resembling Donkey Kong

• A Dragon Coin, which may have possibly been replaced with Smiley Flowers

• A ? Block

• An alternate sprite of a Crate found in the stone bridge tileset, as the final one is depicted on it front side, and lacks the Question Mark

Unused Music[edit]

The following music sounds distorted in places. They are related to the main theme, which suggests that they might have been used at one point during development but were scrapped. The MIDI data contained might have had parameters changed.^{[citation needed]}

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References[edit]