Xbox controller layout

Halo: Combat Evolved
A - Jump B - Melee attack X - Reload weapon/Action Y - Switch weapons Left Analog - Movement Left Analog Click - Crouch Right Analog - Camera Right Analog Click - Zoom Right Trigger - Fire weapon Left Trigger - Throw grenade "Back" Button - Go back/Multiplayer score "Start" Button - Pause Directional Pad - Menu Movement Directional Pad Up - Teamspeak Black Button - Switch grenades White Button - Flashlight/Teamspeak

Halo 2
A - Jump B - Melee attack X - Reload weapon/Swap weapon/Action Y - Switch weapons Left Analog - Movement Left Analog Click - Crouch Right Analog - Camera Right Analog Click - Zoom Right Trigger - Fire weapon Left Trigger - Throw grenade/Fire secondary weapon/E-brake/Boost "Back" Button - Go back/Multiplayer score "Start" Button - Pause Directional Pad - Menu Movement Directional Pad Up - Teamspeak Directional Pad Down - Lower weapon Black Button - Switch grenades White Button - Flashlight/Teamspeak

Halo: Combat Evolved
A - Jump B - Melee attack X - Reload weapon/Action Y - Switch weapons Left Analog - Movement Left Analog Click - Crouch Right Analog - Camera Right Analog Click - Zoom Right Trigger - Fire weapon Left Trigger - Throw grenade "Back" Button - Go back/Multiplayer score "Start" Button - Pause Directional Pad - Menu Movement Directional Pad Up - Teamspeak Right Bumper - Switch grenades Left Bumper - Flashlight/Teamspeak

Halo 2
A - Jump B - Melee attack X - Reload weapon/Swap weapon/Action Y - Switch weapons Left Analog Stick - Movement Push Left Analog Stick - Crouch Right Analog Stick - Camera Push Right Analog Stick - Zoom Right Trigger - Fire weapon Left Trigger - Throw grenade/Fire secondary weapon/E-brake/Boost "Back" Button - Go back/Multiplayer score "Start" Button - Pause Directional Pad - Menu Movement Directional Pad Up - Teamspeak Directional Pad Down - Lower weapon Right Bumper - Switch grenades Left Bumper - Flashlight/Teamspeak

Halo 3 Beta Controls
A - Jump B - Melee attack X - Deploy Equipment Y - Switch weapons Left Analog - Movement Left Analog Click - Crouch Right Analog - Camera Right Analog Click - Zoom Right Trigger - Fire weapon Left Trigger - Throw grenade/Fire secondary weapon/ Directional Pad - Push to talk Right Bumper - Switch grenades Left Bumper - Reload/Switch grenades