These are features that use the new hook system in version 0.3.9.7 to add extra features to the main extension. Currently they are bundled with the core, but in version 0.4 they will be split off into separate extensions.

America's Army

• Map Preview
• Join Server (Win32 Only)
• Email Administrator

Counter-Strike: Source

• Join Server (Win32 Only)
• Email Administrator (Firefox Trunk Only)

Wolfenstein: Enemy Territory

• Join Server (Win32 Only)
• Visit Website