diff --git a/addons/escoria-core/game/core-scripts/esc/types/esc_condition.gd b/addons/escoria-core/game/core-scripts/esc/types/esc_condition.gd
index bf1a0f68..c1e74712 100644
--- a/addons/escoria-core/game/core-scripts/esc/types/esc_condition.gd
+++ b/addons/escoria-core/game/core-scripts/esc/types/esc_condition.gd
@@ -24,7 +24,7 @@ const COMPARISON_DESCRIPTION = [
 	"Checking if %s %s %s equals %s",
 	"Checking if %s %s %s greater than %s",
 	"Checking if %s %s %s less than %s",
-	"Checking if %s is %s active%s"
+	"Checking if %s %s %s active%s"
 ]
 
 
@@ -96,7 +96,7 @@ func _init(comparison_string: String):
 # Run this comparison against the globals
 func run() -> bool:
 	var global_name = self.flag
-	
+
 	escoria.logger.debug(
 		COMPARISON_DESCRIPTION[self.comparison] % [
 			"inventory item" if self.inventory else "global value",
@@ -130,7 +130,7 @@ func run() -> bool:
 				self.comparison_value:
 		return_value = true
 	elif self.comparison == COMPARISON_ACTIVITY and \
-			escoria.object_manager.has_object(global_name) and \
+			escoria.object_manager.has(global_name) and \
 				escoria.object_manager.get_object(global_name).active:
 		return_value = true
 		
diff --git a/addons/escoria-core/game/core-scripts/esc_animation_player.gd b/addons/escoria-core/game/core-scripts/esc_animation_player.gd
index 05b44372..609e9f98 100644
--- a/addons/escoria-core/game/core-scripts/esc_animation_player.gd
+++ b/addons/escoria-core/game/core-scripts/esc_animation_player.gd
@@ -91,9 +91,9 @@ func stop():
 # - name: The animation name to play
 # - backwards: Play backwards
 func play(name: String, backwards: bool = false):
-	if _is_animation_player:
+	if _is_animation_player and _animation_player.current_animation != "":
 		_animation_player.seek(0)
-	else:
+	elif not _is_animation_player:
 		_animated_sprite.frame = 0
 	_current_animation = name
 	if backwards and _is_animation_player:
diff --git a/addons/escoria-core/game/core-scripts/esc_controller.gd b/addons/escoria-core/game/core-scripts/esc_controller.gd
index eda205c6..29abceb8 100644
--- a/addons/escoria-core/game/core-scripts/esc_controller.gd
+++ b/addons/escoria-core/game/core-scripts/esc_controller.gd
@@ -34,7 +34,7 @@ func perform_walk(
 			if destination.node is ESCLocation:
 				target_position = destination.node.global_position
 			else:
-				target_position = destination.node.interact_position
+				target_position = destination.node.get_interact_position()
 				
 			var walk_context = ESCWalkContext.new(
 				destination, 
@@ -127,7 +127,7 @@ func perform_inputevent_on_object(
 		var player_global_pos = escoria.main.current_scene.player.global_position
 		var clicked_position = event.position
 	
-		if not player_global_pos == destination_position:
+		if not player_global_pos.is_equal_approx(destination_position):
 			dont_interact = true
 	
 	# If no interaction should happen after player has arrived, leave 
diff --git a/addons/escoria-core/game/core-scripts/esc_game.gd b/addons/escoria-core/game/core-scripts/esc_game.gd
index 0fd67784..598ff6fd 100644
--- a/addons/escoria-core/game/core-scripts/esc_game.gd
+++ b/addons/escoria-core/game/core-scripts/esc_game.gd
@@ -256,34 +256,6 @@ func show_ui():
 	pass
 
 
-# Function is called if Project setting escoria/ui/tooltip_follows_mouse = true
-#
-# #### Parameters
-#
-# - p_position: Position of the mouse
-func update_tooltip_following_mouse_position(p_position: Vector2):
-	var corrected_position = p_position
-	
-	# clamp TOP
-	if tooltip_node.tooltip_distance_to_edge_top(p_position) <= mouse_tooltip_margin:
-		corrected_position.y = mouse_tooltip_margin
-	
-	# clamp BOTTOM
-	if tooltip_node.tooltip_distance_to_edge_bottom(p_position + tooltip_node.rect_size) <= mouse_tooltip_margin:
-		corrected_position.y = escoria.game_size.y - mouse_tooltip_margin - tooltip_node.rect_size.y
-	
-	# clamp LEFT
-	if tooltip_node.tooltip_distance_to_edge_left(p_position - tooltip_node.rect_size/2) <= mouse_tooltip_margin:
-		corrected_position.x = mouse_tooltip_margin
-
-	# clamp RIGHT
-	if tooltip_node.tooltip_distance_to_edge_right(p_position + tooltip_node.rect_size/2) <= mouse_tooltip_margin:
-		corrected_position.x = escoria.game_size.x - mouse_tooltip_margin - tooltip_node.rect_size.x
-	
-	tooltip_node.anchor_right = 0.2
-	tooltip_node.rect_position = corrected_position + tooltip_node.offset_from_cursor
-
-
 # Set the Editor debug mode
 func _set_editor_debug_mode(p_editor_debug_mode: int) -> void:
 	editor_debug_mode = p_editor_debug_mode
diff --git a/addons/escoria-core/game/core-scripts/esc_item.gd b/addons/escoria-core/game/core-scripts/esc_item.gd
index 8c083ec2..a58da668 100644
--- a/addons/escoria-core/game/core-scripts/esc_item.gd
+++ b/addons/escoria-core/game/core-scripts/esc_item.gd
@@ -299,10 +299,13 @@ func _unhandled_input(event: InputEvent) -> void:
 		if mouse_in_shape:
 			if event.doubleclick and event.button_index == BUTTON_LEFT:
 				emit_signal("mouse_double_left_clicked_item", self, event)
+				get_tree().set_input_as_handled()
 			elif event.button_index == BUTTON_LEFT:
 				emit_signal("mouse_left_clicked_item", self, event)
+				get_tree().set_input_as_handled()
 			elif event.button_index == BUTTON_RIGHT:
 				emit_signal("mouse_right_clicked_item", self, event)
+				get_tree().set_input_as_handled()
 
 
 # Return the animation player node
diff --git a/addons/escoria-core/game/escoria.gd b/addons/escoria-core/game/escoria.gd
index 319e5667..9666d6c6 100644
--- a/addons/escoria-core/game/escoria.gd
+++ b/addons/escoria-core/game/escoria.gd
@@ -1,4 +1,5 @@
 # The escoria main script
+tool
 extends Node
 
 # Signal sent when pause menu has to be displayed
@@ -310,12 +311,6 @@ func _input(event):
 	if event.is_action_pressed("ui_cancel"):
 		emit_signal("request_pause_menu")
 	
-	if ProjectSettings.get_setting("escoria/ui/tooltip_follows_mouse"):
-		if escoria.main.current_scene and escoria.main.current_scene.game:
-			if event is InputEventMouseMotion:
-				escoria.main.current_scene.game. \
-					update_tooltip_following_mouse_position(event.position)
-
 
 # Pauses or unpause the game
 #
@@ -349,6 +344,110 @@ func run_event_from_script(script: ESCScript, event_name: String):
 			[]
 		)
 		return
+		
+
+# Register a new project setting if it hasn't been defined already
+#
+# #### Parameters
+#
+# - name: Name of the project setting
+# - default: Default value
+# - info: Property info for the setting
+func register_setting(name: String, default, info: Dictionary):
+	if not ProjectSettings.has_setting(name):
+		ProjectSettings.set_setting(
+			name,
+			default
+		)
+		info.name = name
+		ProjectSettings.add_property_info(info)
+		
+
+# Register a user interface. This should be called in a deferred way
+# from the addon's _enter_tree.
+#
+# #### Parameters
+# - game_scene: Path to the game scene extending ESCGame
+func register_ui(game_scene: String):
+	if not ProjectSettings.get_setting("escoria/ui/game_scene") in [
+		"",
+		game_scene
+	]:
+		logger.report_errors(
+			"escoria.gd:register_ui()",
+			[
+				"Can't register user interface because %s is registered" % \
+						ProjectSettings.get_setting("escoria/ui/game_scene")
+			]
+		)
+	ProjectSettings.set_setting(
+		"escoria/ui/game_scene",
+		game_scene
+	)
+	
+
+# Deregister a user interface
+#
+# #### Parameters
+# - game_scene: Path to the game scene extending ESCGame
+func deregister_ui(game_scene: String):
+	if ProjectSettings.get_setting("escoria/ui/game_scene") != game_scene:
+		logger.report_errors(
+			"escoria.gd:deregister_ui()",
+			[
+				(
+					"Can't deregister user interface %s because it " +
+					"is not registered."
+				) % ProjectSettings.get_setting("escoria/ui/game_scene")
+			]
+		)
+	ProjectSettings.set_setting(
+		"escoria/ui/game_scene",
+		""
+	)
+	
+
+# Register a dialog manager addon. This should be called in a deferred way
+# from the addon's _enter_tree.
+#
+# #### Parameters
+# - manager_class: Path to the manager class script
+func register_dialog_manager(manager_class: String):
+	var dialog_managers: Array = ProjectSettings.get_setting(
+		"escoria/ui/dialog_managers"
+	)
+	if manager_class in dialog_managers:
+		return
+	dialog_managers.push_back(manager_class)
+	ProjectSettings.set_setting(
+		"escoria/ui/dialog_managers",
+		dialog_managers
+	)
+	
+
+# Deregister a dialog manager addon
+#
+# #### Parameters
+# - manager_class: Path to the manager class script
+func deregister_dialog_manager(manager_class: String):
+	var dialog_managers: Array = ProjectSettings.get_setting(
+		"escoria/ui/dialog_managers"
+	)
+	if not manager_class in dialog_managers:
+		logger.report_warnings(
+			"escoria.gd:deregister_dialog_manager()",
+			[
+				"Dialog manager %s is not registered" % manager_class
+			]
+		)
+		return
+	
+	dialog_managers.erase(manager_class)
+	
+	ProjectSettings.set_setting(
+		"escoria/ui/dialog_managers",
+		dialog_managers
+	)
 
 
 # Function called to quit the game.
diff --git a/addons/escoria-core/plugin.gd b/addons/escoria-core/plugin.gd
index 1421d639..a7f3bf56 100644
--- a/addons/escoria-core/plugin.gd
+++ b/addons/escoria-core/plugin.gd
@@ -2,21 +2,31 @@
 tool
 extends EditorPlugin
 
-# Autoloads to instantiate
-const autoloads = {
-	"escoria": "res://addons/escoria-core/game/escoria.tscn",
-}
-
 
 # Setup Escoria
 func _enter_tree():
-	for key in autoloads.keys():
-		add_autoload_singleton(key, autoloads[key])
-		
+	add_autoload_singleton(
+		"escoria", 
+		"res://addons/escoria-core/game/escoria.tscn"
+	)
+	
 	# Add input actions in InputMap
 	InputMap.add_action("switch_action_verb")
 	InputMap.add_action("esc_show_debug_prompt")
 	
+	# Define standard settings
+	ProjectSettings.set_setting(
+		"application/run/main_scene", 
+		"res://addons/escoria-core/game/main_scene.tscn"
+	)
+	
+	ProjectSettings.set_setting(
+		"audio/default_bus_layout", 
+		"res://addons/escoria-core/default_bus_layout.tres"
+	)
+	
+
+func _ready():
 	# Prepare settings
 	set_escoria_main_settings()
 	set_escoria_debug_settings()
@@ -27,14 +37,7 @@ func _enter_tree():
 
 # Prepare the settings in the Escoria UI category
 func set_escoria_ui_settings():
-	ProjectSettings.set_setting(
-		"audio/default_bus_layout", 
-		"res://addons/escoria-core/default_bus_layout.tres"
-	)
-	if !ProjectSettings.has_setting("escoria/ui/tooltip_follows_mouse"):
-		ProjectSettings.set_setting("escoria/ui/tooltip_follows_mouse", true)
-	
-	_register_setting(
+	escoria.register_setting(
 		"escoria/ui/default_dialog_type",
 		"",
 		{
@@ -42,62 +45,58 @@ func set_escoria_ui_settings():
 		}
 	)
 	
-	if !ProjectSettings.has_setting("escoria/ui/game_scene"):
-		ProjectSettings.set_setting("escoria/ui/game_scene", "")
-		var game_scene_property_info = {
+	escoria.register_setting(
+		"escoria/ui/game_scene",
+		"",
+		{
 			"name": "escoria/ui/game_scene",
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_FILE,
 			"hint_string": "*.tscn, *.scn"
 		}
-		ProjectSettings.add_property_info(game_scene_property_info)
-		
-	if !ProjectSettings.has_setting("escoria/ui/items_autoregister_path"):
-		ProjectSettings.set_setting(
-			"escoria/ui/items_autoregister_path", 
-			"res://game/items/escitems/"
-		)
-		var game_scene_property_info = {
+	)
+	
+	escoria.register_setting(
+		"escoria/ui/items_autoregister_path",
+		"res://game/items/escitems/",
+		{
 			"name": "escoria/ui/items_autoregister_path",
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_DIR
 		}
-		ProjectSettings.add_property_info(game_scene_property_info)
+	)
 	
-	if !ProjectSettings.has_setting("escoria/ui/default_transition"):
-		ProjectSettings.set_setting(
-			"escoria/ui/default_transition",
-			"curtain"
-		)
-		ProjectSettings.add_property_info({
+	escoria.register_setting(
+		"escoria/ui/default_transition",
+		"curtain",
+		{
 			"name": "escoria/ui/default_transition",
 			"type": TYPE_STRING
-		})
-		
-	if !ProjectSettings.has_setting("escoria/ui/transition_paths"):
-		ProjectSettings.set_setting(
-			"escoria/ui/transition_paths",
-			[
-				"res://addons/escoria-core/game/scenes/transitions/shaders/"
-			]
-		)
-		ProjectSettings.add_property_info({
+		}
+	)
+	
+	escoria.register_setting(
+		"escoria/ui/transition_paths",
+		[
+			"res://addons/escoria-core/game/scenes/transitions/shaders/"
+		],
+		{
 			"name": "escoria/ui/transition_paths",
 			"type": TYPE_STRING_ARRAY,
 			"hint": PROPERTY_HINT_DIR
-		})
-		
-	if !ProjectSettings.has_setting("escoria/ui/inventory_item_size"):
-		ProjectSettings.set_setting(
-			"escoria/ui/inventory_item_size",
-			Vector2(72, 72)
-		)
-		ProjectSettings.add_property_info({
+		}
+	)
+	
+	escoria.register_setting(
+		"escoria/ui/inventory_item_size",
+		Vector2(72, 72),
+		{
 			"name": "escoria/ui/inventory_item_size",
 			"type": TYPE_VECTOR2
-		})
+		}
+	)
 	
-	_register_setting(
+	escoria.register_setting(
 		"escoria/ui/dialog_managers",
 		[],
 		{
@@ -107,196 +106,195 @@ func set_escoria_ui_settings():
 
 # Prepare the settings in the Escoria main category
 func set_escoria_main_settings():
-	
-	if !ProjectSettings.has_setting("escoria/main/game_version"):
-		ProjectSettings.set_setting("escoria/main/game_version", "")
-		var game_version_property_info = {
-			"name": "escoria/main/game_version",
+	escoria.register_setting(
+		"escoria/main/game_version", 
+		"",
+		{
 			"type": TYPE_STRING
 		}
-		ProjectSettings.add_property_info(game_version_property_info)
+	)
 	
-	if !ProjectSettings.has_setting("escoria/main/game_start_script"):
-		ProjectSettings.set_setting("escoria/main/game_start_script", "")
-		var game_start_script_property_info = {
-			"name": "escoria/main/game_start_script",
+	escoria.register_setting(
+		"escoria/main/game_start_script", 
+		"",
+		{
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_FILE,
 			"hint_string": "*.esc"
 		}
-		ProjectSettings.add_property_info(game_start_script_property_info)
+	)
 	
-	if !ProjectSettings.has_setting("escoria/main/force_quit"):
-		ProjectSettings.set_setting("escoria/main/force_quit", true)
-		var force_quit_property_info = {
-			"name": "escoria/main/force_quit",
+	escoria.register_setting(
+		"escoria/main/force_quit",
+		true,
+		{
 			"type": TYPE_BOOL
 		}
-		ProjectSettings.add_property_info(force_quit_property_info)
+	)
 	
-	ProjectSettings.set_setting("application/run/main_scene", "res://addons/escoria-core/game/main_scene.tscn")
-
-	if not ProjectSettings.has_setting("escoria/main/command_directories"):
-		ProjectSettings.set_setting("escoria/main/command_directories", [
+	escoria.register_setting(
+		"escoria/main/command_directories", 
+		[
 			"res://addons/escoria-core/game/core-scripts/esc/commands"
-		])
-		ProjectSettings.add_property_info({
-			"name": "escoria/main/command_directories",
+		],
+		{
 			"type": TYPE_ARRAY,
-		})
-
-	if !ProjectSettings.has_setting("escoria/main/text_lang"):
-		ProjectSettings.set_setting("escoria/main/text_lang", TranslationServer.get_locale())
-		var text_lang_property_info = {
-			"name": "escoria/main/text_lang",
-			"type": TYPE_STRING,
-			"hint": PROPERTY_HINT_NONE
 		}
-		ProjectSettings.add_property_info(text_lang_property_info)
-
-	if !ProjectSettings.has_setting("escoria/main/voice_lang"):
-		ProjectSettings.set_setting("escoria/main/voice_lang", TranslationServer.get_locale())
-		var voice_lang_property_info = {
-			"name": "escoria/main/voice_lang",
-			"type": TYPE_STRING,
-			"hint": PROPERTY_HINT_NONE
-		}
-		ProjectSettings.add_property_info(voice_lang_property_info)
-		
-	if !ProjectSettings.has_setting("escoria/main/savegames_path"):
-		ProjectSettings.set_setting(
-			"escoria/main/savegames_path", 
-			"user://saves/"
-		)
-		var savegames_path_property_info = {
-			"name": "escoria/main/savegames_path",
-			"type": TYPE_STRING,
-			"hint": PROPERTY_HINT_DIR
-		}
-		ProjectSettings.add_property_info(savegames_path_property_info)
+	)
 	
-	if !ProjectSettings.has_setting("escoria/main/settings_path"):
-		ProjectSettings.set_setting(
-			"escoria/main/settings_path", 
-			"user://"
-		)
-		var settings_path_property_info = {
-			"name": "escoria/main/settings_path",
+	escoria.register_setting(
+		"escoria/main/text_lang", 
+		TranslationServer.get_locale(),
+		{
+			"type": TYPE_STRING,
+			"hint": PROPERTY_HINT_NONE
+		}
+	)
+	
+	escoria.register_setting(
+		"escoria/main/voice_lang", 
+		TranslationServer.get_locale(),
+		{
+			"type": TYPE_STRING,
+			"hint": PROPERTY_HINT_NONE
+		}
+	)
+	
+	escoria.register_setting(
+		"escoria/main/savegames_path", 
+		"user://saves/",
+		{
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_DIR
 		}
-		ProjectSettings.add_property_info(settings_path_property_info)
+	)
+	
+	escoria.register_setting(
+		"escoria/main/settings_path", 
+		"user://",
+		{
+			"type": TYPE_STRING,
+			"hint": PROPERTY_HINT_DIR
+		}
+	)
 
 
 # Prepare the settings in the Escoria debug category
 func set_escoria_debug_settings():
-	if !ProjectSettings.has_setting("escoria/debug/terminate_on_warnings"):
-		ProjectSettings.set_setting("escoria/debug/terminate_on_warnings", false)
+	escoria.register_setting(
+		"escoria/debug/terminate_on_warnings",
+		false,
+		{
+			"type": TYPE_BOOL
+		}
+	)
 	
-	if !ProjectSettings.has_setting("escoria/debug/terminate_on_errors"):
-		ProjectSettings.set_setting("escoria/debug/terminate_on_errors", true)
+	escoria.register_setting(
+		"escoria/debug/terminate_on_errors",
+		true,
+		{
+			"type": TYPE_BOOL
+		}
+	)
 	
-	# Main language the game is developed in. Useful for translation management
-	if !ProjectSettings.has_setting("escoria/debug/development_lang"):
-		ProjectSettings.set_setting("escoria/debug/development_lang", "en")
-		
-	# Assure log level preference
-	if not ProjectSettings.has_setting("escoria/debug/log_level"):
-		ProjectSettings.set_setting("escoria/debug/log_level", "ERROR")
-		var property_info = {
-			"name": "escoria/debug/log_level",
+	escoria.register_setting(
+		"escoria/debug/development_lang",
+		"en",
+		{
+			"type": TYPE_STRING
+		}
+	)
+	
+	escoria.register_setting(
+		"escoria/debug/log_level", 
+		"ERROR",
+		{
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_ENUM,
 			"hint_string": "ERROR,WARNING,INFO,DEBUG"
 		}
-		ProjectSettings.add_property_info(property_info)
+	)
 	
-	# Define output log file path
-	if not ProjectSettings.has_setting("escoria/debug/log_file_path"):
-		ProjectSettings.set_setting("escoria/debug/log_file_path", "user://")
-		var property_info = {
-			"name": "escoria/debug/log_file_path",
+	escoria.register_setting(
+		"escoria/debug/log_file_path", 
+		"user://",
+		{
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_DIR
 		}
-		ProjectSettings.add_property_info(property_info)
+	)
 	
-	# Define crash message
-	if not ProjectSettings.has_setting("escoria/debug/crash_message"):
-		ProjectSettings.set_setting(
-			"escoria/debug/crash_message", 
-			"We're sorry, but the game crashed. Please send us the " +
-			"following files:\n\n%s"
-		)
-		var property_info = {
-			"name": "escoria/debug/crash_message",
+	escoria.register_setting(
+		"escoria/debug/crash_message", 
+		"We're sorry, but the game crashed. Please send us the " +
+		"following files:\n\n%s",
+		{
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_MULTILINE_TEXT
 		}
-		ProjectSettings.add_property_info(property_info)
+	)
 	
-	# Room selector preference
-	if not ProjectSettings.has_setting("escoria/debug/enable_room_selector"):
-		ProjectSettings.set_setting("escoria/debug/enable_room_selector", false)
-		var property_info = {
-			"name": "escoria/debug/enable_room_selector",
+	escoria.register_setting(
+		"escoria/debug/enable_room_selector", 
+		false,
+		{
 			"type": TYPE_BOOL
 		}
-		ProjectSettings.add_property_info(property_info)
-		
-	if not ProjectSettings.has_setting("escoria/debug/room_selector_room_dir"):
-		ProjectSettings.set_setting("escoria/debug/room_selector_room_dir", "")
-		var property_info = {
-			"name": "escoria/debug/room_selector_room_dir",
+	)
+	
+	escoria.register_setting(
+		"escoria/debug/room_selector_room_dir",
+		"",
+		{
 			"type": TYPE_STRING,
 			"hint": PROPERTY_HINT_DIR
 		}
-		ProjectSettings.add_property_info(property_info)
+	)
 
 
 # Prepare the settings in the Escoria sound settings
 func set_escoria_sound_settings():
-	if !ProjectSettings.has_setting("escoria/sound/master_volume"):
-		ProjectSettings.set_setting("escoria/sound/master_volume", 1)
-		var master_data_property_info = {
-			"name": "escoria/sound/master_volume",
+	escoria.register_setting(
+		"escoria/sound/master_volume", 
+		1,
+		{
 			"type": TYPE_INT,
 			"hint": PROPERTY_HINT_RANGE,
 			"hint_string": "0,1"
 		}
-		ProjectSettings.add_property_info(master_data_property_info)
-
-	if !ProjectSettings.has_setting("escoria/sound/music_volume"):
-		ProjectSettings.set_setting("escoria/sound/music_volume", 1)
-		var music_data_property_info = {
-			"name": "escoria/sound/music_volume",
-			"type": TYPE_INT,
-			"hint": PROPERTY_HINT_RANGE,
-			"hint_string": "0,1"
-		}
-		ProjectSettings.add_property_info(music_data_property_info)
-		
-	if !ProjectSettings.has_setting("escoria/sound/sfx_volume"):
-		ProjectSettings.set_setting("escoria/sound/sfx_volume", 1)
-		var sound_data_property_info = {
-			"name": "escoria/sound/sfx_volume",
-			"type": TYPE_INT,
-			"hint": PROPERTY_HINT_RANGE,
-			"hint_string": "0,1"
-		}
-		ProjectSettings.add_property_info(sound_data_property_info)
+	)
 	
-	if !ProjectSettings.has_setting("escoria/sound/speech_volume"):
-		ProjectSettings.set_setting("escoria/sound/speech_volume", 1)
-		var speech_data_property_info = {
-			"name": "escoria/sound/speech_volume",
+	escoria.register_setting(
+		"escoria/sound/music_volume", 
+		1,
+		{
 			"type": TYPE_INT,
 			"hint": PROPERTY_HINT_RANGE,
 			"hint_string": "0,1"
 		}
-		ProjectSettings.add_property_info(speech_data_property_info)
+	)
 	
-	_register_setting(
+	escoria.register_setting(
+		"escoria/sound/sfx_volume", 
+		1,
+		{
+			"type": TYPE_INT,
+			"hint": PROPERTY_HINT_RANGE,
+			"hint_string": "0,1"
+		}
+	)
+	
+	escoria.register_setting(
+		"escoria/sound/speech_volume",
+		1,
+		{
+			"type": TYPE_INT,
+			"hint": PROPERTY_HINT_RANGE,
+			"hint_string": "0,1"
+		}
+	)
+	
+	escoria.register_setting(
 		"escoria/sound/speech_enabled",
 		1,
 		{
@@ -304,7 +302,7 @@ func set_escoria_sound_settings():
 		}
 	)
 
-	_register_setting(
+	escoria.register_setting(
 		"escoria/sound/speech_folder",
 		"res://speech",
 		{
@@ -313,7 +311,7 @@ func set_escoria_sound_settings():
 		}
 	)
 	
-	_register_setting(
+	escoria.register_setting(
 		"escoria/sound/speech_extension", 
 		"ogg", 
 		{
@@ -322,23 +320,6 @@ func set_escoria_sound_settings():
 	)
 
 
-# Register a new project setting if it hasn't been defined already
-#
-# #### Parameters
-#
-# - name: Name of the project setting
-# - default: Default value
-# - info: Property info for the setting
-func _register_setting(name: String, default, info: Dictionary):
-	if not ProjectSettings.has_setting(name):
-		ProjectSettings.set_setting(
-			name,
-			default
-		)
-		info.name = name
-		ProjectSettings.add_property_info(info)
-
-
 # Prepare the settings in the Escoria platform category and may need special
 # setting per build
 func set_escoria_platform_settings():
@@ -346,18 +327,26 @@ func set_escoria_platform_settings():
 	# scenes.
 	# If set to true, all generic scenes (UI, inventory, etc) will be loaded
 	# as any other scene.
-	if !ProjectSettings.has_setting("escoria/platform/skip_cache"):
-		ProjectSettings.set_setting("escoria/platform/skip_cache", false)
-	if !ProjectSettings.has_setting("escoria/platform/skip_cache.mobile"):
-		ProjectSettings.set_setting("escoria/platform/skip_cache.mobile", true)
+	escoria.register_setting(
+		"escoria/platform/skip_cache",
+		false,
+		{
+			"type": TYPE_BOOL
+		}
+	)
+	
+	escoria.register_setting(
+		"escoria/platform/skip_cache.mobile",
+		true,
+		{
+			"type": "TYPE_BOOL"
+		}
+	)
+
 
 # Uninstall plugin
 func _exit_tree():
-	for key in autoloads.keys():
-		if ProjectSettings.has_setting(key):
-			remove_autoload_singleton(key)
+	remove_autoload_singleton("escoria")
 	
 	InputMap.erase_action("switch_action_verb")
 	InputMap.erase_action("esc_show_debug_prompt")
-	
-	
diff --git a/addons/escoria-dialog-simple/plugin.gd b/addons/escoria-dialog-simple/plugin.gd
index a38252f6..3370daee 100644
--- a/addons/escoria-dialog-simple/plugin.gd
+++ b/addons/escoria-dialog-simple/plugin.gd
@@ -3,31 +3,30 @@ tool
 extends EditorPlugin
 
 
+var _escoria
+
 const MANAGER_CLASS="res://addons/escoria-dialog-simple/esc_dialog_simple.gd"
 
 
+func _init() -> void:
+	 _escoria = preload("res://addons/escoria-core/game/escoria.tscn")\
+			.instance()
+
+
 # Register ourselves after setup
-func _enter_tree() -> void:
+func _ready() -> void:
 	call_deferred("_register")
 	
 
 # Unregister ourselves
 func _exit_tree() -> void:
-	_unregister()
+	_escoria.deregister_dialog_manager(MANAGER_CLASS)
 
 
 # Add ourselves to the list of dialog managers
 func _register():
-	_unregister()
-	var dialog_managers: Array = ProjectSettings.get_setting(
-		"escoria/ui/dialog_managers"
-	)
-	dialog_managers.push_back(MANAGER_CLASS)
-	ProjectSettings.set_setting(
-		"escoria/ui/dialog_managers",
-		dialog_managers
-	)
-	_register_setting(
+	_escoria.register_dialog_manager(MANAGER_CLASS)
+	_escoria.register_setting(
 		"escoria/dialog_simple/avatars_path",
 		"",
 		{
@@ -36,7 +35,7 @@ func _register():
 		}
 	)
 	
-	_register_setting(
+	_escoria.register_setting(
 		"escoria/dialog_simple/text_speed_per_character",
 		0.1,
 		{
@@ -44,7 +43,7 @@ func _register():
 		}
 	)
 	
-	_register_setting(
+	_escoria.register_setting(
 		"escoria/dialog_simple/fast_text_speed_per_character",
 		0.25,
 		{
@@ -52,41 +51,10 @@ func _register():
 		}
 	)
 	
-	_register_setting(
+	_escoria.register_setting(
 		"escoria/dialog_simple/max_time_to_disappear",
 		1.0,
 		{
 			"type": TYPE_REAL
 		}
 	)
-	
-
-# Remove ourselves from the list of dialog managers
-func _unregister():
-	var dialog_managers = ProjectSettings.get_setting(
-		"escoria/ui/dialog_managers"
-	)
-	
-	dialog_managers.erase(MANAGER_CLASS)
-	
-	ProjectSettings.set_setting(
-		"escoria/ui/dialog_managers",
-		dialog_managers
-	)
-	
-
-# Register a new project setting if it hasn't been defined already
-#
-# #### Parameters
-#
-# - name: Name of the project setting
-# - default: Default value
-# - info: Property info for the setting
-func _register_setting(name: String, default, info: Dictionary):
-	if not ProjectSettings.has_setting(name):
-		ProjectSettings.set_setting(
-			name,
-			default
-		)
-		info.name = name
-		ProjectSettings.add_property_info(info)
diff --git a/addons/escoria-ui-9verbs/game.gd b/addons/escoria-ui-9verbs/game.gd
index c478446b..3adbe24a 100644
--- a/addons/escoria-ui-9verbs/game.gd
+++ b/addons/escoria-ui-9verbs/game.gd
@@ -45,7 +45,6 @@ onready var inventory_ui = $ui/Control/panel_down/VBoxContainer/HBoxContainer\
 		/InventoryMargin/inventory_ui
 
 func _enter_tree():
-	ProjectSettings.set_setting("escoria/ui/tooltip_follows_mouse", false)
 	escoria.action_manager.connect(
 		"action_finished", 
 		self, 
@@ -70,6 +69,7 @@ func _exit_tree():
 		self, 
 		"_on_action_finished"
 	)
+	
 
 
 ## BACKGROUND ## 
diff --git a/addons/escoria-ui-9verbs/plugin.gd b/addons/escoria-ui-9verbs/plugin.gd
index d787b823..2e6cacc4 100644
--- a/addons/escoria-ui-9verbs/plugin.gd
+++ b/addons/escoria-ui-9verbs/plugin.gd
@@ -3,7 +3,16 @@ tool
 extends EditorPlugin
 
 
-# Setup Escoria
-func _enter_tree():
-	ProjectSettings.set_setting("escoria/ui/tooltip_follows_mouse", false)
-	ProjectSettings.set_setting("escoria/ui/game_scene", "res://addons/escoria-ui-9verbs/game.tscn")
+# Register UI
+func _enter_tree() -> void:
+	call_deferred("_register")
+
+
+# Deregister UI
+func _exit_tree() -> void:
+	escoria.deregister_ui("res://addons/escoria-ui-9verbs/game.tscn")
+
+
+# Register UI with Escoria
+func _register():
+	escoria.register_ui("res://addons/escoria-ui-9verbs/game.tscn")
diff --git a/addons/escoria-ui-simplemouse/game.gd b/addons/escoria-ui-simplemouse/game.gd
index dc34ff5c..db3ed588 100644
--- a/addons/escoria-ui-simplemouse/game.gd
+++ b/addons/escoria-ui-simplemouse/game.gd
@@ -36,7 +36,6 @@ Implement methods to react to inputs.
 """
 
 func _enter_tree():
-	ProjectSettings.set_setting("escoria/ui/tooltip_follows_mouse", true)
 	escoria.action_manager.connect(
 		"action_finished", 
 		self, 
@@ -60,6 +59,14 @@ func _exit_tree():
 		self, 
 		"_on_action_finished"
 	)
+	
+	
+func _input(event: InputEvent) -> void:
+	if escoria.main.current_scene and escoria.main.current_scene.game:
+			if event is InputEventMouseMotion:
+				escoria.main.current_scene.game. \
+					update_tooltip_following_mouse_position(event.position)
+
 
 ## BACKGROUND ## 
 
@@ -202,6 +209,34 @@ func pause_game():
 		escoria.main.current_scene.hide()
 
 
+# Update the tooltip
+#
+# #### Parameters
+#
+# - p_position: Position of the mouse
+func update_tooltip_following_mouse_position(p_position: Vector2):
+	var corrected_position = p_position
+	
+	# clamp TOP
+	if tooltip_node.tooltip_distance_to_edge_top(p_position) <= mouse_tooltip_margin:
+		corrected_position.y = mouse_tooltip_margin
+	
+	# clamp BOTTOM
+	if tooltip_node.tooltip_distance_to_edge_bottom(p_position + tooltip_node.rect_size) <= mouse_tooltip_margin:
+		corrected_position.y = escoria.game_size.y - mouse_tooltip_margin - tooltip_node.rect_size.y
+	
+	# clamp LEFT
+	if tooltip_node.tooltip_distance_to_edge_left(p_position - tooltip_node.rect_size/2) <= mouse_tooltip_margin:
+		corrected_position.x = mouse_tooltip_margin
+
+	# clamp RIGHT
+	if tooltip_node.tooltip_distance_to_edge_right(p_position + tooltip_node.rect_size/2) <= mouse_tooltip_margin:
+		corrected_position.x = escoria.game_size.x - mouse_tooltip_margin - tooltip_node.rect_size.x
+	
+	tooltip_node.anchor_right = 0.2
+	tooltip_node.rect_position = corrected_position + tooltip_node.offset_from_cursor
+
+
 func _on_action_finished():
 	$mouse_layer/verbs_menu.clear_tool_texture()
 	$mouse_layer/verbs_menu.iterate_actions_cursor(0)
diff --git a/addons/escoria-ui-simplemouse/plugin.gd b/addons/escoria-ui-simplemouse/plugin.gd
index 770a84f7..0c82fc53 100644
--- a/addons/escoria-ui-simplemouse/plugin.gd
+++ b/addons/escoria-ui-simplemouse/plugin.gd
@@ -3,7 +3,16 @@ tool
 extends EditorPlugin
 
 
-# Setup Escoria
+# Register UI
 func _enter_tree():
-	ProjectSettings.set_setting("escoria/ui/tooltip_follows_mouse", true)
-	ProjectSettings.set_setting("escoria/ui/game_scene", "res://addons/escoria-ui-simplemouse/game.tscn")
+	call_deferred("_register")
+
+
+# Deregister UI
+func _exit_tree() -> void:
+	escoria.deregister_ui("res://addons/escoria-ui-simplemouse/game.tscn")
+
+
+# Register UI with Escoria
+func _register():
+	escoria.register_ui("res://addons/escoria-ui-simplemouse/game.tscn")
diff --git a/project.godot b/project.godot
index e32ddb91..fb1e9df2 100644
--- a/project.godot
+++ b/project.godot
@@ -731,6 +731,7 @@ debug/crash_message="We're sorry, but the game crashed. Please send us the follo
 
 %s"
 ui/default_dialog_scene="res://addons/escoria-core/ui_library/dialogs/floating_dialog_player.tscn"
+esc/command_paths=[ "res://addons/escoria-core/game/core-scripts/esc/commands" ]
 
 [input]