Yoshi Demo

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Yoshi Demo
Yoshi Demo screenshot
A screenshot of Yoshi Demo
Developer Nintendo EAD
Platform Game Boy Advance
Release date Unreleased; developed in 1999[?]
Genre Platformer
Mode Single-player
Format
Game Boy Advance:
Game Pak
Input
Game Boy Advance:

Yoshi Demo is an internal demo [1] that appears to be a Game Boy Advance port of Yoshi's Story . It is also commonly regarded as vaporware, though it is unknown if Nintendo ever had any intentions of releasing it as a full game. The first version of the demo is completely mute—it does not use any audio assets, but the second version contains music and sound.[2] The demo's ROM image can be obtained only within the Game Boy Advance SDK.

As stated above, this tech demo seems to be based on Yoshi's Story, though it has a few differences from that game. Yoshi Demo begins by showing Yoshi's Island rotating before cutting to an endless Yoshi's Story-like level.[3] At the beginning of this level, Yoshi is given three Yoshi Eggs. Though IGN claimed that Yoshi can lay more eggs by eating enemies,[4] this is not true and Yoshi's eggs actually appear to act as health in Yoshi Demo, as he loses both a Yoshi Egg and a petal from his Smile Meter when getting hit by an enemy attack and regains three petals upon collecting another egg. Health can also be collected by hitting Message Blocks and ground-pounding the balloon that results. Also, when Yoshi ground-pounds, he does so with his head. Yoshi Demo introduces Toadies that attack Yoshi with spiked balls and Thwomp-like weight enemies.

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Yoshi games
Platformers Yoshi series Super Mario World 2: Yoshi's Island (1995, SNES) • Yoshi's Story (1997, N64) • Yoshi's Island DS (2006, DS) • Yoshi's New Island (2014, 3DS) • Yoshi's Woolly World (2015, Wii U) • Yoshi's Crafted World (2019, Switch) • Yoshi and the Mysterious Book (2026, Switch 2)
Other Yoshi Topsy-Turvy (2004, GBA) • Yoshi Touch & Go (2005, DS)
Puzzle games Yoshi (1991, NES) • Yoshi's Cookie (1992, NES) • Tetris Attack (1996, SNES)
Other Yoshi's Safari (1993, SNES) • Can Can Club Super Mario Yoshi's Island (1996, arcade) • Magical Seven Super Mario Yoshi's Island (1996, arcade) • Yoshi's Island rock-paper-scissors machine (1996, arcade) • Yoshi's Island machine (1996, arcade) • Yoshi's Egg Toss (2006, Adobe Flash) • Hello, Yoshi! (2025, iOS/Android/Switch)
Reissues Yoshi no Cookie: Kuruppon Oven de Cookie (1994, SNES) • Yoshi's Island: Super Mario Advance 3 (2002, GBA) • Poochy & Yoshi's Woolly World (2017, 3DS)
Play Nintendo Activities Play Yoshi's New Island Match-Up (2014) • Crafty Collage Maker (2019)
Skill quizzes Trivia: Are you an expert Yoshi-ologist? (2014) • Yoshi's Woolly World Power Badges Quiz (2015) • Yoshi's Crafted World Trivia Quiz (2019)
Personality quizzes Fun Yoshi Personality Quiz (2015) • Poochy & Yoshi's Woolly World Fun Personality Quiz (2017)
Tech demos Yoshi Demo (2001, GBA) • Balloon Trip (2004, DS)
Crossovers Super Smash Bros. series Super Smash Bros. (1999, N64) • Super Smash Bros. Melee (2001, GCN) • Super Smash Bros. Brawl (2008, Wii) • Super Smash Bros. for Nintendo 3DS (2014, 3DS) • Super Smash Bros. for Wii U (2014, Wii U) • Super Smash Bros. Ultimate (2018, Switch)
Other Picross NP Vol.2 (SFC, 1999)
Unreleased media
Canceled games Super Mario games Mario Artist: Sound Studio • Mario Takes America • Super Mario 64 2 • Super Mario's Wacky Worlds • VB Mario Land • Super Mario Spikers • Famicom Mini Collection
Donkey Kong games Donkey Kong no Ongaku Asobi • Donkey Kong Coconut Crackers • Diddy Kong Pilot (2001/2003) • Donkey Kong Racing • Diddy Kong Racing Adventure • Famicom Mini Collection
Tech demo Super Mario games Game Boy Color Promotional Demo • Super Mario 128 • Mario's Face • Chase Mii • New Super Mario Bros. Mii
Yoshi games Balloon Trip
Internal test Super Mario games snd_test • NDDEMO • Mario Kart XXL
Yoshi games Yoshi Demo
Unaired episodes "Frog Feats" • "Kowabunga Koopa!" • "Lotto Trouble" • "You Bet Your Lasagna!"
Miscellaneous Game Boy No. 6 • More Than All • Nintendo Comic • Super Mario (comic) • ...The Harder They Fall!