| Titles | Systems | |
| How to read these codes | ||
checked-no =>Invincibility: Begin a new game and play until you reach the Mutant Birdman at the end of stage 1. After you beat it, hold A+B+[START] before the screen fades. Release them when the next stage begins and your life meter should reach across the screen. DON'T pick up any Life Refill items, and you will be impervious to attack!