Kamaitachi no Yoru 2 (PlayStation 2)

Kamaitachi no Yoru 2 ~Kangokujima no Warabe Uta~
Developers: Chunsoft, Dice Publisher: Chunsoft Platform: PlayStation 2 Released in JP: July 18, 2002, April 3, 2003 (PlayStation 2 the Best) This game has debugging material. This game has a hidden level select.

To do: Another debug menu at 0x00176968. 0x00176A50 also looks like a part of it.

Debug Menu

Applying the below code will enable debug information in-game, and a debug menu after the opening movie. This menu contains a scenario select menu, memory card test options, and a few regular, non-debug menus.

SLPS-25135 codes:

Master Code (Only needed for a cheat device)
901CDCA8 0C0736D2

Enable Debug Menu
2017A074 24020001

Header text	Header text
Start	Sends you to a scenario select menu.
Load	Presumably loads memory card data.
Love	Starts a two player mode.
Config	Sends you to the options menu.
Tool	Sends you to a sub-menu.
Demo	Plays the demo movie.

(Source: Original TCRF research)

Start

This menu sends you to a scenario select screen.

Tool

This menu mostly contains memory card test options. Selecting Movie Test will send you to another menu. The last two options do not work anymore.

Movie Test

Using this menu grants you the ability to view all movies and pre-rendered backgrounds.