Boss Attack Mode
- Complete "Little Red Riding Hood's Zombie BBQ" in either normal or hard mode. Beat the entire game in one of those modes to unlock boss mode. When you start a new game, Boss Attack Mode will be a choice in the menu screen. Boss Attack Mode allows you to fight all of the bosses in the game in a row.
- Complete the entire game of "Little Red Riding Hood's Zombie BBQ" in Hard Mode to unlock Extreme Mode. Extreme Mode has more difficult enemies than Hard Mode. The enemies have much higher hit points and there are more of them to take out.
- Complete Boss Attack Mode in "Little Red Riding Hood's Zombie BBQ" to unlock Survival Mode. Survival Mode has fewer healing items than the other modes, so you have to be more careful with your inventory.
- Complete Survival Mode to unlock Levels Mode. Levels Mode allows you to play through each level at a whim without having to play through them in order.