These are a series of registry keys used by various iterations of the Halo engine and its tools. Registry keys ending with a trailing slash indicates that it is a key (and the value is the (Default) value within it), and any that end without it is a value.

Game:fontawesome-link:

Tools Directory:fontawesome-link:

[REG_BINARY] HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Halo 2\tools_directory

Map set (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Map Set

Audio Settings:fontawesome-link:

Whether or not to enable the low-pass filter (?):fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\LowPassEnable

Limit of mono sounds (?):fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\MonoCount

Whether or not to enable reverb:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\ReverbEnable

The speaker configuration selected:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\SpeakerConfig

The number of stereo speakers:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\StereoCount

The volume of sound:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\Volume

Video Settings:fontawesome-link:

Whether or not to use anti-aliasing:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\AntiAliasing

The specified aspect ratio:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\AspectRatio

The brightness of the game:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\Brightness

The display mode of the game (?):fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\DisplayMode

The gamma of the game:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\Gamma

The size of the in-game HUD:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\HudSize

The level of detail (LOD) to use:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\LevelOfDetail

The screen safe area:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\SafeArea

The screen refresh rate:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\ScreenRefresh

The screen resolution's X value:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\ScreenResX

The screen resolution's Y value:fontawesome-link:

HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\ScreenResY

Guerilla:fontawesome-link:

Recent files:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\guerilla\Guerilla\Recent File List\File1 [REG_SZ] HKEY_CURRENT_USER\Software\bungie\guerilla\Guerilla\Recent File List\File2 [REG_SZ] HKEY_CURRENT_USER\Software\bungie\guerilla\Guerilla\Recent File List\File3 [REG_SZ] HKEY_CURRENT_USER\Software\bungie\guerilla\Guerilla\Recent File List\File4

Settings (unused?):fontawesome-link:

[REG_KEY] HKEY_CURRENT_USER\Software\bungie\guerilla\Guerilla\Settings

Sapien:fontawesome-link:

Settings:fontawesome-link:

Whether or not to enable automatic backup:fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_enable

How often (in minutes) to create a new backup:fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_interval

How many backups should be stored at a time:fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_limit

Whether or not to limit the number of automatic backups:fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_use_limit

Whether or not to use the user-provided backup path:fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_use_path

Who the hell knows. (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\blah

Whether or not to create a config for tool.exe (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\create_tool_config

The size and position of the hierarchy window (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\hierarchy_window_rect

Unknown (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\main_window_frame

The size and position of the main window (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\main_window_rect

The size and position of the options window (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\options_window_rect

The size and position of the output window (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\output_window_rect

The size and position of the properties window (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\property_window_rect

The size and position of the hierarchy window (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\sapien_loading_window_rect

Something to do with some sort of list size (and position?) (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\type_list_rect

The size and position of the warnings window (?):fontawesome-link:

[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\warnings_window_rect

Auto backup path:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_path(Default)

Last directory (unsure if this is last level or just the most recent folder to open):fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\

Class types (all of these are blank - the value is set, just set to absolutely nothing):fontawesome-link:

Biped directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\biped directory

Crate directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\crate directory

Creature Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\creature directory

Decal directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\decal directory

Decorator Set Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\decorator_set directory

Detail Object Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\detail_object directory

Device Control directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\device_control directory

Device Light Fixture:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\device_light_fixture directory

Device Machine Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\device_machine directory

Equipment Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\equipment directory

Light Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\light directory

Scenery Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\scenery directory

Sound Scenery Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\sound_scenery directory

Vehicle Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\vehicle directory

Weapon Directory:fontawesome-link:

[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\weapon directory