Mercenary mode
Complete the game once on any difficulty and wait for the credits to end. Then save the "Next Game" file to unlock "The Mercenaries" mini-game. Start a new game, choose that saved game, then select "The Mercenaries" mode. This mode involves controlling Carlos, Mikhal, or Nikoli from the train to the starting room with a two minute timer. Killing the various opponents and rescuing civilians during the journey will add extra money and more time to the clock. A rank and money will be awarded after the game is completed. The money can be used to purchase better weapons and infinite ammunition.

Boutique key
Complete the game once and wait for the credits to end, then save the "Next Game" file to receive the key to the Boutique on the first street at the start of the game. Use the key to enter and change into an alternate costume.

Alternate costumes
Complete the game on the easy difficulty setting with any rank better than an F to unlock Jill's costume from the original Resident Evil and Regina's costume from Dino Crisis. Successfully complete the game on the hard difficulty setting with a rank of D to unlock two costumes, C for three, B for four, and A for all five costumes. The three additional costumes are a police miniskirt, disco, and biker outfits.

11/19/99  Unknown

Game Shark Codes

Hyper Mode 800D454C 0002
Secret Mode 800D1F32 FFE0
Infinite Health Jill 800CCC90 00C8
Infinite Item Usage in All Slots 8006D0CA 2400
Condition Always Fine 300CCC97 0004
Have 10 Slots 800D225E 000A
Have All Pictures in Epilogue 800D1F3E 0008
Have All Maps 300D2127 00FE
300D212B 00FE
Have All Files 800D212C FFFF
800D212E FFFF
Infinite Ink Ribbons in Chest 800D21A0 6381
800D21A2 0001
Rapid Fire (Press R1 + R2 + X) D00CC830 004A
800CCC8C 1E02
Total Time is 0 (Get Grade S) 800D1F28 0000
800D1F2A 0000
Save Anywhere (Press L1 + Triangle) D00CC830 0014
800D1D18 13CC
D00CC830 0014
800D1D1A 8005
All Weapons in Chest 800D215C 0001
800D2160 0002
800D2164 0003
800D2168 0004
800D216C 0005
800D2170 0006
800D2174 000A
800D2178 000B
800D217C 000C
800D2180 000D
800D2184 000E
800D2188 000F
800D218C 0010
800D2190 0011
800D2194 0012
800D2198 0013
800D219C 0014
Infinite Ammo All Weapons 800D215E 0003
800D2162 0003
800D2166 0003
800D216A 0003
800D216E 0003
800D2172 0003
800D2176 0003
800D217A 0003
800D217E 0003
800D2182 0003
800D2186 0003
800D218A 0003
800D218E 0003
800D2192 0003
800D2196 0003
800D219A 0003
800D219E 0003
Access Chest Anytime (Press L1 + Square) D00CC830 0084
800D1F2C 0200
D00CC830 0084
800E01C4 0002
View Ending (Press L1 + L2 + R1 + R2) D00CC830 000F
800CC858 C000
D00CC830 000F
800CC85A 0001