List of all Built-In Variables

= Global Variables =
 * argument
 * argument0
 * argument1
 * argument10
 * argument11
 * argument12
 * argument13
 * argument14
 * argument15
 * argument2
 * argument3
 * argument4
 * argument5
 * argument6
 * argument7
 * argument8
 * argument9
 * argument_relative
 * background_alpha
 * background_blend
 * background_color
 * background_foreground
 * background_height
 * background_hspeed
 * background_htiled
 * background_index
 * background_showcolor
 * background_visible
 * background_vspeed
 * background_vtiled
 * background_width
 * background_x
 * background_xscale
 * background_y
 * background_yscale
 * caption_health
 * caption_lives
 * caption_score
 * current_day
 * current_hour
 * current_minute
 * current_month
 * current_second
 * current_time
 * current_weekday
 * current_year
 * cursor_sprite
 * error_last
 * error_occurred
 * event_action
 * event_number
 * event_object
 * event_type
 * fps
 * game_id
 * health
 * instance_count
 * instance_id
 * keyboard_key
 * keyboard_lastchar
 * keyboard_lastkey
 * keyboard_string
 * lives
 * mouse_button
 * mouse_lastbutton
 * mouse_x
 * mouse_y
 * program_directory
 * room
 * room_caption
 * room_first
 * room_height
 * room_last
 * room_persistent
 * room_speed
 * room_width
 * score
 * secure_mode
 * show_health
 * show_lives
 * show_score
 * temp_directory
 * transition_kind
 * transition_steps
 * view_angle
 * view_current
 * view_enabled
 * view_hborder
 * view_hport
 * view_hspeed
 * view_hview
 * view_object
 * view_vborder
 * view_visible
 * view_vspeed
 * view_wport
 * view_wview
 * view_xport
 * view_xview
 * view_yport
 * view_yview
 * working_directory

= Local Variables =
 * alarm
 * bbox_bottom
 * bbox_left
 * bbox_right
 * bbox_top
 * depth
 * direction
 * friction
 * gravity
 * gravity_direction
 * hspeed
 * id
 * image_alpha
 * image_angle
 * image_blend
 * image_index
 * image_number
 * image_single
 * image_speed
 * image_xscale
 * image_yscale
 * mask_index
 * object_index
 * path_endaction
 * path_index
 * path_orientation
 * path_position
 * path_positionprevious
 * path_scale
 * path_speed
 * persistent
 * solid
 * speed
 * sprite_height
 * sprite_index
 * sprite_width
 * sprite_xoffset
 * sprite_yoffset
 * timeline_index
 * timeline_position
 * timeline_speed
 * visible
 * vspeed
 * x
 * xprevious
 * xstart
 * y
 * yprevious
 * ystart