Note: This game is also titled Clock Tower: Ghost Head.
 
 
 Infinite power spell
 
 At the title screen, hold L1 + L2 + R1 + R2 and start a game. Then 
 a power spell charm with unlimited uses will be available as soon 
 as the game begins. 
 
 
 
 Wear school uniform
 
 At the title screen, hold L1 + R2 + Select + Triangle and start 
 a game.
 
 
 
 Sound test
 
 At the title screen, press Left, Circle, Down, Triangle, Right, 
 Square, Up, X, L1, R2, L2, R1 + Start. Then a "Sound Test" option 
 will appear under "Option Mode". 
 
 
 
 Extra mode
 
 Achieve an "A" ending rank to unlock an "Extra Mode" option on the 
 title screen. This new mode contains selections for "Time Attack" 
 and "Score Attack" mini-games.
 
 
 
 View character biographies
 
 Unlock all thirteen endings, then select "Pamphlet" mode. A new 
 "Guide" option will allow data for each character to be displayed. 
 
 
 
 Game Shark Codez: 
 North American Version 
 
 Joker Command:
 D0065888 ????
 
 Turbo Joker Command:
 D0065808 ????
 80065808 0000
 
 Infinite HP:
 80070A18 0003
 
 Infinite Ammo All Weapons:
 80070954 0063
 
 Infinite Ammo on Pick-Up:
 800996DA 2400
 
 Have All 8006F04A FFFF
 
 Unlock All Endings & Extra Mode:
 8006F048 FFFF
 
 Turn into Bates:
 80070A20 0020
 
 Turn Back to Alyssa:
 80070A20 0000
 
 Play Time and Time Attack Mode Time is 00:00:00:
 80070A48 0000
 80070A54 0000
 
 Equipped Item Modifier Code:
 800B61FA 00??
 
 Extra Mode Codez:
 
 Score Attack Modes
 
 Infinite Limit Gage:
 800D84F8 0700
 
 Rate x10000:
 800D84F0 000A
 
 Max Score:
 800D9990 E0FF
 800D9992 05F5
 
 Time Attack Mode
 
 Infinite Revolver Ammo:
 800709CC 0063
 
 Infinite Shotgun Ammo:
 800709D0 0063
 
 Infinite Uzi Ammo:
 800709D4 0063
 
 Item Modifier Codez:
 
 Slot 1:
 80070B1C 00??
 
 Slot 2:
 80070B20 00??
 
 Slot 3:
 80070B24 00??
 
 Slot 4:
 80070B28 00??
 
 Slot 5:
 80070B2C 00??
 
 Slot 6:
 80070B30 00??
 
 Slot 7:
 80070B34 00??
 
 Slot 8:
 80070B38 00??
 
 Slot 9:
 80070B3C 00??
 
 Slot 10:
 80070B40 00??
 
 Slot 11:
 80070B44 00??
 
 Slot 12:
 80070B48 00??
 
 Quantity Digits to Accompany Item Modifier Codez:
 
 00 - Nothing
 01 - Red Amulet
 02 - Revolver
 03 - Shotgun
 04 - Uzi
 05 - Gold Statue
 06 - Lighter
 07 - Oil Can
 08 - Screw Driver
 09 - Model Gun
 0A - Wire
 0B - Hatchet
 0C - Survival Knife
 0D - Drawer Key
 0E - Corridor Key
 0F - Bedroom Key
 10 - Dining Key
 11 - Storage Key
 12 - Drawer Key
 13 - Back Door Key
 14 - Red Card Key
 15 - Blue Card Key
 16 - Green Card Key
 17 - Security Key
 18 - Handcuffs Key
 19 - Desk Key
 1A - Storage Key
 1B - Graveyard Key
 1C - Large Door Key
 1D - Lab Key
 1E - Examination Room Key
 1F - Health Kit
 20 - Blue Amulet
 
 
 
 Japanese Version 
 
 Joker CommandD0067EE4 ????
 
 Infinite HP800730F8 0003
 
 Infinite Ammo All Weapons80073034 0009
 
 Infinite Time80073128 0FB8
 80073134 0000
 
 Have All 
 Unlock All Endings & Extra Mode80071728 FFFF
 
 Turn into Sho80073100 0020
 
 Turn Back to Alyssa80073100 0000
 
 Item Modifier Codez:
 
 Slot 1800731F8 00??
 
 Slot 2800731FC 00??
 
 Slot 380073200 00??
 
 Slot 480073204 00??
 
 Slot 580073208 00??
 
 Slot 68007320C 00??
 
 Slot 780073210 00??
 
 Slot 880073214 00??
 
 Slot 980073218 00??
 
 Slot 108007321C 00??
 
 Slot 1180073220 00??
 
 Slot 1280073224 00??
 
 Slot 1380073228 00??
 
 Quantity Digits to Accompany Item Slot Modifier Codez:
 
 00 - Nothing
 01 - Red Amulet
 02 - Revolver
 03 - Shotgun
 04 - Uzi
 05 - Gold Statue
 06 - Lighter
 07 - Oil Can
 08 - Screw Driver
 09 - Model Gun
 0A - Wire
 0B - Hatchet
 0C - Survival Knife
 0D - Drawer Key
 0E - Corridor Key
 0F - Bedroom Key
 10 - Dining Key
 11 - Storage Key
 12 - Drawer Key
 13 - Back Door Key
 14 - Red Card Key
 15 - Blue Card Key
 16 - Green Card Key
 17 - Security Key
 18 - Handcuffs Key
 19 - Desk Key
 1A - Storage Key
 1B - Graveyard Key
 1C - Large Door Key
 1D - Lab Key
 1E - Examination Room Key
 1F - Health Kit
 20 - Blue Amulet