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Blood+: One Night Kiss

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Title Screen

Blood+: One Night Kiss

Developer: Grasshopper Manufacture
Publisher: Bandai Namco
Platform: PlayStation 2
Released in JP: August 31, 2006

AreasIcon.png This game has unused areas.
DebugIcon.png This game has debugging material.
SoundtestIcon.png This game has a hidden sound test.
LevelSelectIcon.png This game has a hidden level select.

To do:
  • Figure out if there is anymore unused maps.
  • Clarify if the cutscenes in STG9990 are used at all.

Debug Menus

Present in the game are two debug menus. They can be accessed by applying the below codes. The main debug menu will appear when you select the SPECIAL main menu option and then selecting either 制服図鑑 or 翼手図鑑. The second debug menu, Stage Select, can only be accessed when you have control over your character and then pressing L3 + R3.

Master Code (only needed for cheat devices)
90110958 0C0441FE

Replace 制服図鑑 with Main Debug Menu
0024A604 00000008


Replace 翼手図鑑 with Main Debug Menu
0024A874 00000008

L3 + R3 For Stage Select
201F8C60 0C096092
20258248 3C020045
2025824C 84427742
20258250 2403FFF9
20258254 14430002
20258258 2402FFFE
2025825C ACC23D7C
20258260 8CC33D7C
20258264 03E00008
20258268 2402FFFE

Main Debug Menu

Blood+ One Night Kiss - Debugmenu1.png

The main debug menu. From here, you can listen to music, view models, view special effects and quickly choose game modes.

Text Notes
GAME Sends you to a new game.
TITLE Sends you to the main menu.
VIEWER Sends you to a model viewing option.
You can control models with the second controller.
HAY Doesn't work.
YAM Effect viewer option.
WAT It's unclear what this is. It has Saya's model on a test map with an unused background.
HIRO Effect test area. Press either Circle, Square, or Triangle to see effects.
HOSHI Softlocks the game.
NAKA Nothing?
BLOOD Opening logos.
OPTION Options menu.
Y_ZUKAN 翼手図鑑 menu.
CLOSET Outfit select menu.
(Source: Original TCRF research)


Blood+ One Night Kiss - Debugmenu2.png Blood+ One Night Kiss - Debugmenu3.png

This option allows you to view models and listen to music. You can also view animations, although it's not clear if that works. To rotate the model in this mode, use the second controller.


Blood+ One Night Kiss - Debugmenu4.png

An effect viewing option. There will be some corrupted stuff on-screen when entering this menu.


Blood+ One Night Kiss - Debugmenu5.png

It doesn't appear anything can be done here. It also contains an unused background texture. You can also move Saya around with the second controller.

Map Select

Blood+ One Night Kiss - Debugmenu6.png

Pressing L3 + R3 while you have control over your character will bring you to this menu. From here, use D-Pad Up / Down to select a level ID, or R1 to change options.

Unused Maps

A few test maps can seen in this section. You can warp to them using the Map Select debug menu.


Blood+ One Night Kiss - Unusedmap1.png Blood+ One Night Kiss - Unusedmap2.png

There are several numbers as textures in this map.


Blood+ One Night Kiss - Unusedmap3.png Blood+ One Night Kiss - Unusedmap4.png Blood+ One Night Kiss - Unusedmap5.png Blood+ One Night Kiss - Unusedmap6.png Blood+ One Night Kiss - Unusedmap7.png

This appears to be a work-in-progress school map.


Blood+ One Night Kiss - Unusedmap8.png

This map contains only one enemy. You can't exit anywhere even after defeating the enemy.


Blood+ One Night Kiss - Unusedmap9.png

A test map with various objects. Interacting with the objects will play various test cutscenes.

(Source: Original TCRF research)