Blue Birds/Unused

Rhythm Heaven
Blue Birds consists of the following versions in Rhythm Heaven:

Unused Content
The Remix 2 version has the Japanese character "完" (Complete) in the place of "To be continued.", drawn differently to the one used in Blue Birds 2. This graphic was redrawn and used in Rhythm Tengoku: The Best+, as Blue Birds 2 is not present in that game.

Regional Differences
The animation used when the player stretches too early or too late is altered in non-Japanese versions of Rhythm Heaven. The original animation is used in all versions of Rhythm Heaven Megamix.

Rhythm Heaven Megamix
Blue Birds consists of the following versions in Rhythm Heaven Megamix:

Unused Content
In Rhythm Heaven, Captain Blue Bird has a yellow music note on his hat, which is a separate sprite from the captain's. This is done so that it would not get flipped while playing in Lefty mode. The sprite for the note still exists in Rhythm Heaven Megamix, but goes unused.