16 different stages of 2 difficulties.
wait...materials of BSM are free for non-commercial use
wait...materials of BSM are free for non-commercial use.
また、プログラムの改造や内部データの抽出はご遠慮下さい。 ("Please refrain from editing the program or extracting internal data")
Spoiler: this script is just an in-group activity. sorry for the material abuse.