Add build directory to .gitignore, create export presets for Web and Windows Desktop, adjust z-index and mouse filter in level_1.tscn, add update_game_state function in level.gd, change main_scene path in project.godot, set rendering method to "gl_compatibility", add LevelSelect and related nodes in main_menu.tscn, create scene_manager.tscn with MainMenu node, implement functionality for menu button selection in main_menu.gd.

ui/scripts/level_complete_component.gd

@@ -4,9 +4,13 @@ extends Control
 @onready var drones_label = get_node("%DronesUsed")
 @onready var points_label = get_node("%TotalPoints")
 
+@onready var main_menu_button = get_node("%MainMenu")
+
 func _ready():
 	visible = false
 
+	main_menu_button.connect("pressed", Callable(self, "on_main_menu_pressed"))
+
 func _process(_delta):
 	if GameState.level_complete == true:
 		update_points()
@@ -15,4 +19,8 @@ func _process(_delta):
 func update_points():
 	time_label.text = "Time Spent: " + Str.seconds_to_hms(GameState.level_timer)
 	drones_label.text = "Drones Used: " + str(GameState.drones_used)
-	points_label.text = "Total Points: " + Str.format_number(GameState.level_points)
+	points_label.text = "Total Points: " + Str.format_number(GameState.level_points)
+
+func on_main_menu_pressed():
+	GameState.reset()
+	SceneMgr.load_scene("MAINMENU")

ui/scripts/pause_menu.gd

@@ -0,0 +1,12 @@
+extends Control
+class_name PauseMenu
+
+signal resume_game
+
+func _unhandled_input(event : InputEvent) -> void:
+	if event.is_action_pressed("ui_cancel"):
+			Log.pr("Pause Menu: ui_cancel pressed")
+			if get_tree().paused:
+				Log.pr("Sending unpause signal")
+				resume_game.emit()
+

ui/scripts/ui_component.gd

@@ -11,14 +11,23 @@ var last_update : float = 0
 @onready var level_timer_label = get_node("%LevelTimer")
 @onready var par_text_label = get_node("%ParText")
 
-func _ready():
 
+var disable_pause : bool = false
+
+func _ready():
 	hide_help_text()
 	update_ui()
+	%PauseMenu.hide()
+	%PauseMenu.connect("resume_game", Callable(self, "unpause_game"))
+
+	%QuitButton.connect("pressed", Callable(self, "quit_game"))
+	%ResumeButton.connect("pressed", Callable(self, "unpause_game"))
 
 func _process(delta):
 	last_update += delta
 
+	disable_pause = false
+
 	if last_update > update_interval:
 		last_update = 0
 		update_ui()
@@ -28,6 +37,13 @@ func _process(delta):
 
 	level_timer_label.text = Str.seconds_to_hms(GameState.level_timer)
 
+func _unhandled_input(event : InputEvent) -> void:
+	if event.is_action_pressed("ui_cancel"):
+			Log.pr("UIComponent: ui_cancel pressed")
+			if get_tree().paused == false && disable_pause == false:
+				Log.pr("Game is not paused, so pausing it...")
+				pause_game()
+
 func update_ui():
 	nectar_bar.value = GameState.gathered_nectar
 	nectar_bar.max_value = GameState.required_nectar
@@ -46,4 +62,20 @@ func update_level_text(text: String):
 	level_text_label.text = text
 
 func update_par_text(text: String):
-	par_text_label.text = text
+	par_text_label.text = text
+
+func quit_game():
+	get_tree().paused = false
+	GameState.reset()
+	SceneMgr.load_scene("MAINMENU")
+
+func pause_game():
+	get_tree().paused = true
+	%PauseMenu.show()
+
+func unpause_game():
+	Log.pr("Pause Menu: Close button pressed")
+	disable_pause = true
+	%PauseMenu.hide()
+	get_tree().paused = false
+