Yeah, I thought that too. The game is usually played by starting at 1-1, then 1-2, not skipping to the end screen. This is the Minus world version. Just discovered.
I don't think it's possible to get past the water level like 7-2 in the minus world with only a NES, but if you had a gamegenie that could you could control live, it may be possible!
Although, there may be other ways to do it on a NES!
On the start screen, I gave the game the hex instructions required to go to the minus world's version of 1-1 and then on the flagpole, I gave the game the hex instructions to go to minus world's version of 1-2.
Hi everyone,
I discovered a level in the minus world that allows you to finish the game quicker than normal!!!
Here's a video
https://youtu.be/xh6fu92TNlk
Enjoy,
Matalog.