diff --git a/src/util/prompt_map.gd b/src/util/prompt_map.gd
index edf3024..1781657 100644
--- a/src/util/prompt_map.gd
+++ b/src/util/prompt_map.gd
@@ -1,6 +1,7 @@
 class_name PromptMap
 ## Tools for mapping input events to PromptFont glyphs.
 
+const COMPOSE_FMT := "{0}+{1}"
 const UNKNOWN_INPUT_SYMBOL := PromptFont.ICON_QUESTION
 
 ## Keyboard key map
@@ -12,6 +13,7 @@ const KEYBOARD := {
 	KEY_CTRL: PromptFont.KEYBOARD_CONTROL,
 	KEY_ALT: PromptFont.KEYBOARD_ALT,
 	KEY_SHIFT: PromptFont.KEYBOARD_SHIFT,
+	KEY_META: PromptFont.KEYBOARD_SUPER,
 	KEY_TAB: PromptFont.KEYBOARD_TAB,
 	KEY_CAPSLOCK: PromptFont.KEYBOARD_CAPS,
 	KEY_BACKSPACE: PromptFont.KEYBOARD_BACKSPACE,
@@ -203,6 +205,20 @@ const NINTENDO_AXIS := {
 }
 
 
+static func _compose_modifiers(event: InputEventWithModifiers, base: String) -> String:
+	# Control -> Alt -> Shift -> Super/Meta
+	var composed := base
+	if event.meta_pressed:
+		composed = COMPOSE_FMT.format([PromptFont.KEYBOARD_SUPER, composed])
+	if event.shift_pressed:
+		composed = COMPOSE_FMT.format([PromptFont.KEYBOARD_SHIFT, composed])
+	if event.alt_pressed:
+		composed = COMPOSE_FMT.format([PromptFont.KEYBOARD_ALT, composed])
+	if event.ctrl_pressed:
+		composed = COMPOSE_FMT.format([PromptFont.KEYBOARD_CONTROL, composed])
+	return composed
+
+
 ## Get the symbol representing the given keyboard input event.
 ##
 ## If there is no such symbol available, returns the key label.
@@ -211,12 +227,12 @@ static func key(event: InputEventKey) -> String:
 		return OS.get_keycode_string(
 			DisplayServer.keyboard_get_keycode_from_physical(event.physical_keycode)
 		)
-	return KEYBOARD[event.physical_keycode]
+	return _compose_modifiers(event, KEYBOARD[event.physical_keycode] as String)
 
 
 ## Get the symbol representing the given mouse button event.
 static func mouse_button(event: InputEventMouseButton) -> String:
-	return MOUSE.get(event.button_index, UNKNOWN_INPUT_SYMBOL)
+	return _compose_modifiers(event, MOUSE.get(event.button_index, UNKNOWN_INPUT_SYMBOL) as String)
 
 
 ## Get the symbol representing the given gamepad button event.