Originally posted by: AaronE
Lost Levels' write up on the prototype said it was 136 levels.
I'm not sure how much trouble Jeff ran into implementing the remaining levels but I do remember that getting the passwords working for all the levels seemed like a bigger deal. We had to get bunnyboys help to figure out how the level passwords functioned to figure out how to get all of those working.
They also mention this about the history of the game:
We're not sure what became of the NES version. What we do know is that Bullet-Proof announced it at Winter CES, January 1991, then exhibited it again at Summer CES in June, and then as far as we can tell, never mentioned it again. Interestingly, this build of the game is dated 5/8/1992, meaning that it was burned well after those demos. And, you may notice, Bullet-Proof does not appear in the ROM at all. Perhaps Bullet-Proof decided to pass, and this was a polished demo that was being passed around in the hopes of finding a new publisher? I contacted the NES version's programmer to ask, but haven't heard back. I'll update this should he ever reply
Lost Levels look over the game is kind of wrong there's 137 levels left accessible from the raw proto the remaining 12 were complete but unacceptable the ending was left in a weird place (84h) which would freeze after going to it