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An older copyright image from the original Sonic Advance.
"TGS ver." This is a leftover from the Tokyo Game Show version.
The original, down-scrolling background for title screen.
Sonic Mega Collection trailer[]
Upon the release of Sonic Mega Collection in late 2002, a short trailer for Sonic Advance 2 were found in the game's extras menu. The footage is from an early version of the game, which holds a few differences.
Gallery
The game has a simpler title screen here, with background always scrolling downwards.
An early character selection used character sprites from Sonic Advance and lacked the diagonal "SA2" text in the background.
An early level select. The lake in Leaf Forest is not present, the piece of Music Plant's island is missing and Chaos Emerald counter is not featured.
Early build[]
Leaf Forest[]
Gallery
A screenshot from Sonic Team's website,[1] this image showed Cream for the first time. Notice Amy's life has corrupt color palette. Cheese is also not there, and the four characters can only appear on screen in multiplayer mode. Multiple websites would replace the screenshot with one featuring a fixed life icon.
The sky in Leaf Forest is darker and less opaque than in the final game.