IN CONTRA, THE CODE FOR 30 LIVES DOES NOT USE THE SELECT BUTTON unless you're playing with two people.
Now, this wouldn't be so bad, except for she clearly stated two things:
1. It's her favorite video game.
2. She knew how to get all of [her] lives, implying single-player mode.
If it's your favorite game, LEARN HOW TO FUCKING PLAY IT YOU STUPID, B-LEVEL PIECE OF SHIT