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\f0c1
Tools Directory\f0c1
[REG_BINARY] HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Halo 2\tools_directory
Map set (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Map Set
Audio Settings\f0c1
Whether or not to enable the low-pass filter (?)\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\LowPassEnable
Limit of mono sounds (?)\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\MonoCount
Whether or not to enable reverb\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\ReverbEnable
The speaker configuration selected\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\SpeakerConfig
The number of stereo speakers\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\StereoCount
The volume of sound\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Audio Settings\Volume
Video Settings\f0c1
Whether or not to use anti-aliasing\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\AntiAliasing
The specified aspect ratio\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\AspectRatio
The brightness of the game\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\Brightness
The display mode of the game (?)\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\DisplayMode
The gamma of the game\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\Gamma
The size of the in-game HUD\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\HudSize
The level of detail (LOD) to use\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\LevelOfDetail
The screen safe area\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\SafeArea
The screen refresh rate\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\ScreenRefresh
The screen resolution's X value\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\ScreenResX
The screen resolution's Y value\f0c1
HKEY_CURRENT_USER\Software\Microsoft\Halo 2\Video Settings\ScreenResY
Guerilla\f0c1
Recent files\f0c1
[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?)\f0c1
[REG_KEY] HKEY_CURRENT_USER\Software\bungie\guerilla\Guerilla\Settings
Sapien\f0c1
Settings\f0c1
Whether or not to enable automatic backup\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_enable
How often (in minutes) to create a new backup\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_interval
How many backups should be stored at a time\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_limit
Whether or not to limit the number of automatic backups\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_use_limit
Whether or not to use the user-provided backup path\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\autobackup_use_path
Who the hell knows. (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\blah
Whether or not to create a config for tool.exe (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\create_tool_config
The size and position of the hierarchy window (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\hierarchy_window_rect
Unknown (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\main_window_frame
The size and position of the main window (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\main_window_rect
The size and position of the options window (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\options_window_rect
The size and position of the output window (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\output_window_rect
The size and position of the properties window (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\property_window_rect
The size and position of the hierarchy window (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\sapien_loading_window_rect
Something to do with some sort of list size (and position?) (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\type_list_rect
The size and position of the warnings window (?)\f0c1
[REG_BINARY] HKEY_CURRENT_USER\Software\bungie\sapien\warnings_window_rect
Auto backup path\f0c1
[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)\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\
Class types (all of these are blank - the value is set, just set to absolutely nothing)\f0c1
Biped directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\biped directory
Crate directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\crate directory
Creature Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\creature directory
Decal directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\decal directory
Decorator Set Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\decorator_set directory
Detail Object Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\detail_object directory
Device Control directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\device_control directory
Device Light Fixture\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\device_light_fixture directory
Device Machine Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\device_machine directory
Equipment Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\equipment directory
Light Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\light directory
Scenery Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\scenery directory
Sound Scenery Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\sound_scenery directory
Vehicle Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\vehicle directory
Weapon Directory\f0c1
[REG_SZ] HKEY_CURRENT_USER\Software\bungie\sapien\weapon directory