diff --git a/addons/escoria-core/game/escoria.gd b/addons/escoria-core/game/escoria.gd
index 0bfa5d45..45941eca 100644
--- a/addons/escoria-core/game/escoria.gd
+++ b/addons/escoria-core/game/escoria.gd
@@ -18,7 +18,8 @@ onready var main = $main
 
 func _init():
 	escoria.inventory_manager = ESCInventoryManager.new()
-	escoria.action_manager = ESCActionManager.new()
+	# MODIFIED FOR RETURN TO MONKEY UI
+	escoria.action_manager = ESCActionManagerMonkey.new()
 	escoria.event_manager = ESCEventManager.new()
 	escoria.globals_manager = ESCGlobalsManager.new()
 	add_child(escoria.event_manager)
diff --git a/gymkhana/addons/escoria-ui-return-monkey-island/esc/esc_action_manager_monkey.gd b/gymkhana/addons/escoria-ui-return-monkey-island/esc/esc_action_manager_monkey.gd
new file mode 100644
index 00000000..67f8d01e
--- /dev/null
+++ b/gymkhana/addons/escoria-ui-return-monkey-island/esc/esc_action_manager_monkey.gd
@@ -0,0 +1,364 @@
+# Manages currently carried out actions
+# MODIFIED FOR RETURN TO MONKEY UI
+extends ESCActionManager
+class_name ESCActionManagerMonkey
+
+# Set the current action verb
+#
+# ## Parameters
+# - action: The action verb to set
+func set_current_action(action: String):
+	# MODIFIED FOR RETURN TO MONKEY UI
+	if (action != current_action) && (action_state != ACTION_INPUT_STATE.AWAITING_TARGET_ITEM):
+		clear_current_tool()
+
+	current_action = action
+
+	if action_state == ACTION_INPUT_STATE.AWAITING_VERB_OR_ITEM:
+		set_action_input_state(ACTION_INPUT_STATE.AWAITING_ITEM)
+	elif action_state == ACTION_INPUT_STATE.AWAITING_VERB:
+		set_action_input_state(ACTION_INPUT_STATE.AWAITING_VERB_CONFIRM)
+
+	emit_signal("action_changed")
+
+
+# Checks if the specified action is valid and returns the associated event;
+# otherwise, we see if there's a "fallback" event and use that if necessary and,
+# if not, we return no event as there's nothing to do.
+#
+# #### Parameters
+#
+# - action: Action to execute (defined in attached ESC file and in
+#   action verbs UI) eg: arrived, use, look, pickup...
+# - target: Target ESC object
+# - combine_with: ESC object to combine with
+#
+# *Returns* the appropriate ESCEvent to queue/run, or null if none can be found
+# or there's a reason not to run an event.
+func _get_event_to_queue(
+	action: String,
+	target: ESCObject,
+	combine_with: ESCObject = null
+) -> ESCEvent:
+
+	escoria.logger.info(
+		self,
+		"Checking if action '%s' on '%s' is valid..." % [action, target]
+	)
+
+	var event_to_return: ESCEvent = null
+
+	# If we're using an action which item requires to combine
+	if target.node is ESCItem \
+		and (action in target.node.combine_when_selected_action_is_in
+		# MODIFIED FOR RETURN TO MONKEY UI
+			or (combine_with && action in combine_with.node.combine_when_selected_action_is_in)):
+
+		# Check if object must be in inventory to be used
+		if target.node.use_from_inventory_only:
+			if escoria.inventory_manager.inventory_has(target.global_id):
+				# Player has item in inventory, we check the element to use on
+				if combine_with:
+					var do_combine = true
+					if combine_with.node is ESCItem \
+							and combine_with.node.use_from_inventory_only\
+							and not escoria.inventory_manager.inventory_has(
+								combine_with.global_id
+							):
+						do_combine = false
+
+					if do_combine:
+						var target_event = "%s %s" % [
+							action,
+							combine_with.global_id
+						]
+						var combine_with_event = "%s %s" % [
+							action,
+							target.global_id
+						]
+
+						if target.events.has(target_event):
+							event_to_return = target.events[target_event]
+						elif combine_with.events.has(combine_with_event)\
+								and not combine_with.node.combine_is_one_way:
+
+							event_to_return = combine_with.events[combine_with_event]
+						else:
+							# Check to see if there isn't a "fallback" action to
+							# run before we declare this a failure.
+							if escoria.action_default_script \
+								and escoria.action_default_script.events.has(action):
+
+								event_to_return = escoria.action_default_script.events[action]
+							else:
+								var errors = [
+									"Attempted to execute action %s between item %s and item %s" % [
+										action,
+										target.global_id,
+										combine_with.global_id
+									]
+								]
+
+								if combine_with.node.combine_is_one_way:
+									errors.append(
+										("Reason: %s's item interaction " + \
+										"is one-way.") % combine_with.global_id
+									)
+
+								escoria.logger.warn(
+									self,
+									"Invalid action: " + str(errors)
+								)
+					else:
+						escoria.logger.warn(
+							self,
+							"Invalid action on item: " +
+								(
+									"Trying to combine object %s with %s, "+
+									"but %s is not in inventory."
+								) % [
+									target.global_id,
+									combine_with.global_id,
+									combine_with.global_id
+								]
+						)
+			else:
+				escoria.logger.warn(
+					self,
+					"Invalid action on item: " +
+					"Trying to run action %s on object %s, " %
+					[
+						action,
+						target.node.global_id
+					]
+					+ "but item must be in inventory."
+				)
+	else:
+		if target.events.has(action):
+			event_to_return = target.events[action]
+		elif escoria.action_default_script \
+			and escoria.action_default_script.events.has(action):
+
+			# If there's a "fallback" action to run, return it
+			event_to_return = escoria.action_default_script.events[action]
+		else:
+			escoria.logger.warn(
+				self,
+				"Invalid action: " +
+					"Event for action %s on object %s not found." % [
+						action,
+						target.global_id
+					]
+			)
+
+	return event_to_return
+
+
+# Event handler when an object/item was clicked
+#
+# #### Parameters
+#
+# - obj: Object that was left clicked
+# - event: Input event that was received
+# - default_action: if true, run the inventory default action
+func perform_inputevent_on_object(
+	obj: ESCObject,
+	event: InputEvent,
+	default_action: bool = false
+):
+	"""
+	This algorithm:
+	- validates the requested action
+	- grabs the corresponding event for the action, if available
+	- makes the player move to the clicked object location, if needed
+	(if it is located in the room for example) and wait for reaching.
+	- when reached, performs an action depending on current defined action
+		* no current action defined: do nothing else
+		* current action defined:
+			* item requires no combination: perform the current action
+			  on the item
+			* item requires combination: check the status of the combination
+			  A combination requires 3 elements to fulfill:
+				1/ a verb action
+				2/ a first "tool" (item to use)
+				3/ a second "tool" (item to use ON)
+			  Whatever the user inputs to fulfill the combination (this is
+			  determined by gamedev in his game.gd script)
+				- combination not fulfilled: no not perform until fulfilled
+				- combination fulfilled: perform the combination.
+		* else do nothing, except if default_action is requested.
+		  In this case, perform the default_action on the item.
+	"""
+
+	escoria.logger.info(
+		self,
+		"%s to perform event %s." % [obj.global_id, event]
+	)
+
+	# Don't interact after player movement towards object
+	# (because object is inactive for example)
+	var dont_interact = false
+
+	# We need to have the new action input state BEFORE initiating the player
+	# move so we determine now if the object clicked will require a combination
+	# depending on the used action verb.
+	var tool_just_set = _set_tool_and_action(obj, default_action)
+	# MODIFIED FOR RETURN TO MONKEY UI
+	var need_combine = _check_item_needs_combine_obj(obj)
+
+	# If the current tool was not set, this is our first item, make it the tool
+	if not current_tool or (current_tool and not need_combine):
+		current_tool = obj
+	# Else, if we have a tool and combination required, this is our second item,
+	# make it the target.
+	elif need_combine and not tool_just_set:
+		current_target = obj
+
+	# Update the action input state
+	if action_state == ACTION_INPUT_STATE.AWAITING_TARGET_ITEM and current_target:
+		set_action_input_state(ACTION_INPUT_STATE.COMPLETED)
+	elif action_state == ACTION_INPUT_STATE.AWAITING_ITEM and \
+			not need_combine:
+		set_action_input_state(ACTION_INPUT_STATE.COMPLETED)
+	elif action_state == ACTION_INPUT_STATE.AWAITING_ITEM and need_combine and not tool_just_set:
+		set_action_input_state(ACTION_INPUT_STATE.AWAITING_TARGET_ITEM)
+
+	var event_to_queue: ESCEvent = null
+
+	# Manage exits
+	if obj.node.is_exit and current_action in ["", ACTION_WALK]:
+		event_to_queue = _get_event_to_queue(ACTION_EXIT_SCENE, obj)
+	else:
+		# Manage movements towards object before activating it
+		if current_action in ["", ACTION_WALK] and \
+				not escoria.inventory_manager.inventory_has(obj.global_id):
+			event_to_queue = _get_event_to_queue(ACTION_ARRIVED, obj)
+		# Manage action on object
+		elif not current_action in ["", ACTION_WALK]:
+			if need_combine and current_target:
+				event_to_queue = _get_event_to_queue(
+					current_action,
+					current_tool,
+					current_target
+				)
+			else:
+				# Check if object must be in inventory to be used and update
+				# action state if necessary
+				if obj.node.use_from_inventory_only and \
+					escoria.inventory_manager.inventory_has(obj.global_id) and \
+					need_combine:
+
+					# We're missing a target here for our tool to be used on
+					current_tool = obj
+					set_action_input_state(
+						ACTION_INPUT_STATE.AWAITING_TARGET_ITEM
+					)
+
+					# We need to wait for that target
+					return
+				else:
+					event_to_queue = _get_event_to_queue(
+						current_action,
+						obj
+					)
+
+	# Get out of here if there's a specified action but an event couldn't be found.
+	# Note that `event_to_queue` may still be null, but we do need to start the
+	# player walking towards the destination.
+	if current_action and not event_to_queue:
+		clear_current_action()
+		emit_signal("action_finished")
+		return
+
+	var event_flags = event_to_queue.flags if event_to_queue else 0
+
+	if escoria.main.current_scene.player:
+		var destination_position: Vector2 = escoria.main.current_scene.player \
+				.global_position
+
+		# If clicked object not in inventory, player walks towards it
+		if not obj.node is ESCPlayer and \
+			not escoria.inventory_manager.inventory_has(obj.global_id) and \
+			not event_flags & ESCEvent.FLAG_TK:
+				var context = _walk_towards_object(
+					obj,
+					event.position,
+					event.doubleclick
+				)
+
+				if context is GDScriptFunctionState:
+					context = yield(context, "completed")
+
+				# In case of an interrupted walk, we don't want to proceed.
+				if context == null:
+					return
+
+				destination_position = context.target_position
+				dont_interact = context.dont_interact_on_arrival
+
+		var player_global_pos = escoria.main.current_scene.player.global_position
+		var clicked_position = event.position
+
+		# Using this instead of is_equal_approx due to
+		# https://github.com/godotengine/godot/issues/65257
+		if (player_global_pos - destination_position).length() > 1:
+			dont_interact = true
+			escoria.logger.info(
+				self,
+				"Player could not reach destination coordinates %s. "  % str(destination_position) \
+					+ "Any requested action for %s will not fire." % obj.global_id
+			)
+			if escoria.event_manager.EVENT_CANT_REACH in obj.events:
+				escoria.event_manager.queue_event(obj.events[escoria.event_manager.EVENT_CANT_REACH])
+			else:
+				escoria.logger.info(
+					self,
+					"%s event not found for object %s so nothing to do." % \
+						[escoria.event_manager.EVENT_CANT_REACH, obj.global_id]
+				)
+
+	# If no interaction should happen after player has arrived, leave
+	# immediately.
+	if not dont_interact and event_to_queue:
+		_run_event(event_to_queue)
+
+# Prepare the "obj" object for current_action: if required, set the object as
+# current tool.
+#
+# #### Parameters
+#
+# - obj: the ESCObject to prepare
+# - default_action: if true, the default action set on the item is used
+#
+# *Returns* True if the tool was set in this function
+func _set_tool_and_action(obj: ESCObject, default_action: bool):
+	var tool_just_set: bool = false
+	# Check if current_action and current_tool are already set
+	if current_action and current_tool:
+	# MODIFIED FOR RETURN TO MONKEY UI
+		if (not current_action in escoria.action_manager\
+				.current_tool.node.combine_when_selected_action_is_in and not current_action in obj.node.combine_when_selected_action_is_in):
+			current_tool = obj
+			tool_just_set = true
+	elif default_action:
+		if escoria.inventory_manager.inventory_has(obj.global_id):
+			current_action = obj.node.default_action_inventory
+		else:
+			current_action = obj.node.default_action
+	elif current_action in obj.node.combine_when_selected_action_is_in:
+		current_tool = obj
+		tool_just_set = true
+	return tool_just_set
+
+
+# Checks if object requires a combination with another, according to
+# currently selected action verb (or check with default action of the item).
+#
+# *Returns* True if current action on "obj" requires a combination
+	# MODIFIED FOR RETURN TO MONKEY UI
+func _check_item_needs_combine_obj(obj: ESCObject) -> bool:
+	return current_action \
+			and current_tool \
+			and (current_action in current_tool.node.combine_when_selected_action_is_in
+	# MODIFIED FOR RETURN TO MONKEY UI
+			or current_action in  obj.node.combine_when_selected_action_is_in)
diff --git a/gymkhana/rooms/trasera_cocina/trasera_cocina.tscn b/gymkhana/rooms/trasera_cocina/trasera_cocina.tscn
index dd2633ca..848582c3 100644
--- a/gymkhana/rooms/trasera_cocina/trasera_cocina.tscn
+++ b/gymkhana/rooms/trasera_cocina/trasera_cocina.tscn
@@ -65,7 +65,7 @@ global_id = "l_exit"
 esc_script = "res://gymkhana/rooms/trasera_cocina/esc/entrada_cocina.esc"
 is_exit = true
 tooltip_name = "Esto es una puerta y tiene una descripcion mu larga"
-combine_when_selected_action_is_in = [  ]
+combine_when_selected_action_is_in = [ "action4" ]
 dialog_color = Color( 1, 1, 1, 1 )
 action1_text = "Esto es una puerta y tiene una descripcion mu larga"
 action2_text = "Entrar! con descricion..."
diff --git a/project.godot b/project.godot
index e2ba228b..aef80b71 100644
--- a/project.godot
+++ b/project.godot
@@ -149,6 +149,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://addons/escoria-core/game/core-scripts/esc/esc_action_manager.gd"
 }, {
+"base": "ESCActionManager",
+"class": "ESCActionManagerMonkey",
+"language": "GDScript",
+"path": "res://gymkhana/addons/escoria-ui-return-monkey-island/esc/esc_action_manager_monkey.gd"
+}, {
 "base": "Resource",
 "class": "ESCAnimationName",
 "language": "GDScript",
@@ -733,6 +738,7 @@ _global_script_class_icons={
 "DialogSayFinish": "",
 "DialogVisible": "",
 "ESCActionManager": "",
+"ESCActionManagerMonkey": "",
 "ESCAnimationName": "",
 "ESCAnimationPlayer": "",
 "ESCAnimationResource": "",