checked-no =>Kill Boss: In the single player mode, there is an incredibly easy way to kill off the bosses - simply call in a computer assistant, then hide while the computer attacks. When the computer player leaves, call it back again. Repeat until the boss is dead, and you'll never get hurt. =>30 Lives: When the Contra Force title screen is scrolling down after you turn the NES on, press U U D D L R L R A B [SELECT] [START]. If you want to play a two player game with 30 lives, press [SELECT]x2 instead. =>Continue: On the Game Over screen, hold A+B+[SELECT] and press [START].