Level select:
Press Down, Up(2), Down, C, A, B at the character selection screen. A sound will confirm correct code entry. The level select menu will appear after a character is chosen. This will also allow your player to have ten lives. Alternatively, press B, A, Down, B, Up, Down at the character selection screen for the same options with five lives.

Five lives:
Hold Up + A + B and press Start at the character selection screen.

Ten lives and level select:
Press Down, Up(2), Down, A, B(2), A at the character selection screen. Choose a character and press Start to display the level select menu. Ten lives will be available during game play. Note: The final ending will not appear when this code is enabled.