Ensure your controller "A" and "B" buttons are mapped correctly. On many modern controllers, B is on the left and A is on the right.
If 30 lives still isn't enough to beat the punishing final levels, use Save States to practice difficult boss patterns. super contra 30 lives nes rom
Here is everything you need to know about the Super Contra 30 lives cheat for the NES ROM and original hardware. The Legendary Cheat Code: How to Get 30 Lives Ensure your controller "A" and "B" buttons are