The opening story is loosely based on the story from the original Teenage Mutant Ninja Turtles # 1 .
The game greatly draws upon the original Mirage comics and theatrical films , unlike other contemporary TMNT games which were mostly based on the 1987 TV series .
The opening story is loosely based on the story from the original TMNT       # 1 .
The game greatly draws upon the original Mirage comics and theatrical films , unlike other contemporary TMNT games which were mostly based on the 1987 TV series .