Unlimited Ammo
Press Up, Up, Down, Down, Left, Right, Left RIght, R at the item screen.
Extreme Battle Mode
After completing both scenarios for your character you will unlock Extreme Battle Mode which can be found in the Special option.
Hint: Ranks
S: Beat the game in 1:30. Use only One herb. You cannot use weapon upgrades, special weapons, and you cannot pick up a single weapon more than once.
A: Beat game under 3:00, dont use any first aid kits or special weapons.
B: Beat game under 3:00
C: Beat game in 5 to 7 hours
D: 7 or more hours
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