BadApple!! by FLM is a demo for the Genesis / Megadrive. Due to it’s size it’s cut into two binaries. The only way to watch BadApple!! complete is to use the 8MB Everdrive version and it’s specific hardware.

[Touhou] Bad Apple!! - Sega Megadrive / Genesis version
Watch this video on YouTube.

http://pouet.net/prod.php?which=60780