uparrow "+Move_Forward" downarrow "+Move_Backward" LCtrl "+Fire" RCtrl "+Fire" Space "+Open" A "+Jump" / "+Jump" Z "+Crouch" PgUp "+Look_Up" KP9 "+Look_Up" PgDn "+Look_Down" KP3 "+Look_Down" KP. "+Look_Right" , "+Strafe_Left" . "+Strafe_Right" KP7 "+Aim_Up" KP1 "+Aim_Down" KP5 "+Center_View" KP- "+Shrink_Screen" KP+ "+Enlarge_Screen" U "+Mouse_Aiming" I "+Toggle_Crosshair"