Finish both scenarios with rank A. You will receive powerful
weapon, the 'Hunk' Mission, and another one called 'Ex-Battle'
that wasn't available on the PSX version.
In 'Ex-Battle' Mission, you can play as Leon, Claire, Ada, and a
bonus character from the first Resident Evil - Chris Redfield.
Each character will have their own arsenal. The Mission is to
find 4 anti-BOW bombs in the Police station. The characters will
start from the lab and must backtrack to the station to find it.
There also a time record for the fastest player.
Alternatively, you can play these special Mission, including
'Tofu' by accessing Windows X's registry editor. Search for
HKEY_LOCAL_MACHINE\ SOFTWARE\ CAPCOM\ RESIDENT EVIL2\ and enter
the value '8'.
Unlimited Ammo for All Weapons
Once you have a weapon go to the inventory screen and press Up,
Up, Down, Down, Left, Right, Left, Right and Aim.