TMNT III: The Manhattan Project is the only TMNT game I cannot get through without using a continue. According to the game's instruction manual on page 6 I will get an extra life "after every 25,000 points you score." This clearly is not the case on my game though. I get an extra player after the following:
50,000 points
100,000 points
200,000 points
300,000 points
400,000 points
500,000 points
and that is it, no more after 500,000. So it appears there is a massive typo in the manual or I have messed up cartridge. It is odd that you would get a player after 50,000 points twice, then every 100,000 points. I was hoping you guys who have the instruction manual could check your copy to see what yours says. Others who have the game, please pop it in and play for a little while to see when you get an extra player.