diff --git a/src/Data.gd b/src/Data.gd
index 39ad726..1896d91 100644
--- a/src/Data.gd
+++ b/src/Data.gd
@@ -64,7 +64,10 @@ func start() -> void: # Loads starting loader
 		if _data["version"] == "v0.6.0":
 			_data["performance"] = {"Simulate" : 75, "Show" : 100, "Ball" : 9.5}
 			_data["version"] = "v0.6.1"
-		if _data["version"] == "v0.6.1": # Loads the save
+		if _data["version"] == "v0.6.1":
+			_data["performance"]["CheckButton"] = false
+			_data["version"] = "v0.6.2"
+		if _data["version"] == "v0.6.2": # Loads the save
 			goldenLength = _data["goldenLength"]
 			goldenMagnitude = _data["goldenMagnitude"]
 			goldenChance = _data["goldenChance"]
@@ -88,7 +91,10 @@ func start() -> void: # Loads starting loader
 				get_node("/root/Main/Game Field").call_deferred("add_child", _instance)
 			# Loads performance settings
 			for x in _data["performance"]:
-				get_node("/root/Main/TabContainer/Performance/" + x).value = _data["performance"][x]
+				if x == "CheckButton":
+					get_node("/root/Main/TabContainer/Performance/" + x).pressed = _data["performance"][x]
+				else:
+					get_node("/root/Main/TabContainer/Performance/" + x).value = _data["performance"][x]
 		else: # Runs info for when no save is found
 			goldenLength = 1
 			goldenMagnitude = 1
@@ -143,8 +149,8 @@ func save() -> void: # Used to save the game
 		"goldenChance" : goldenChance,
 		"goldenLength" : goldenLength,
 		"goldenMagnitude" : goldenMagnitude,
-		"performance" : {"Simulate" : get_node("/root/Main/TabContainer/Performance/Simulate").value, "Show" : get_node("/root/Main/TabContainer/Performance/Show").value, "Ball" : get_node("/root/Main/TabContainer/Performance/Ball").value},
-		"version" : "v0.6.1"
+		"performance" : {"Simulate" : get_node("/root/Main/TabContainer/Performance/Simulate").value, "Show" : get_node("/root/Main/TabContainer/Performance/Show").value, "Ball" : get_node("/root/Main/TabContainer/Performance/Ball").value, "CheckButton" : get_node("/root/Main/TabContainer/Performance/CheckButton").pressed},
+		"version" : "v0.6.2"
 	})
 	file.store_string(_save_data)
 	file.close()
diff --git a/src/Game Field.gd b/src/Game Field.gd
index d88a5fa..45f90db 100644
--- a/src/Game Field.gd	
+++ b/src/Game Field.gd	
@@ -5,6 +5,7 @@ var visibly = 0.0
 var enabled = 0.0
 var total = 0.0 setget changed
 var disabledTotal = 0.0
+var onlySimulate = false
 signal update
 
 
@@ -12,7 +13,9 @@ func changed(value):
 	total = value
 	emit_signal("update")
 
-func _on_Timer_timeout() -> void:
+func _on_change() -> void:
 	simulate = get_node("/root/Main/TabContainer/Performance/Simulate").value / 100.0
+	onlySimulate = get_node("/root/Main/TabContainer/Performance/CheckButton").pressed
+	get_node("/root/Main/TabContainer/Performance/Show").editable = not onlySimulate
 	show = get_node("/root/Main/TabContainer/Performance/Show").value / 100.0
 	emit_signal("update")
diff --git a/src/Loading.gd b/src/Loading.gd
index d786f85..5c51dac 100644
--- a/src/Loading.gd
+++ b/src/Loading.gd
@@ -7,7 +7,7 @@ func _ready() -> void:
 		file.open(Data.save_file, File.READ)
 		if validate_json(file.get_as_text()) == "":
 			var _data = parse_json(file.get_as_text())
-			if _data["version"] in ["v0.5.0", "v0.5.1", "v0.5.2", "v0.6.0", "v0.6.1"]:
+			if _data["version"] in ["v0.5.0", "v0.5.1", "v0.5.2", "v0.6.0", "v0.6.1", "v0.6.2"]:
 				$Save.visible = true
 				$Timer.start()
 			else:
diff --git a/src/Main.gd b/src/Main.gd
index 80e62bc..bfc67de 100644
--- a/src/Main.gd
+++ b/src/Main.gd
@@ -5,6 +5,7 @@ onready var _tab: TabContainer = $TabContainer
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	Data.start()
+	_tab.current_tab = 1
 	update_interface()
 	Data.connect("update_game_interface", self, "update_interface")
 	Data.connect("ball_upgrades", self, "ball_upgrades")
@@ -59,3 +60,4 @@ func _process(delta: float) -> void: # Checks if a button is pressed to change m
 func _on_Export_button_up() -> void:
 	Data.save()
 	get_tree().change_scene("res://src/Export.tscn")
+
diff --git a/src/Main.tscn b/src/Main.tscn
index 5b8187f..01f0507 100644
--- a/src/Main.tscn
+++ b/src/Main.tscn
@@ -64,12 +64,12 @@ margin_top = 65.0
 margin_right = 468.0
 margin_bottom = 600.0
 theme = ExtResource( 5 )
+drag_to_rearrange_enabled = true
 __meta__ = {
 "_edit_use_anchors_": false
 }
 
 [node name="Performance" type="Control" parent="TabContainer"]
-visible = false
 anchor_right = 1.0
 anchor_bottom = 1.0
 margin_left = 4.0
@@ -124,11 +124,29 @@ __meta__ = {
 "_edit_use_anchors_": false
 }
 
+[node name="Label5" type="Label" parent="TabContainer/Performance"]
+margin_top = 119.0
+margin_right = 40.0
+margin_bottom = 150.0
+text = "Only show simulated boxes"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="CheckButton" type="CheckButton" parent="TabContainer/Performance"]
+margin_left = 383.0
+margin_top = 118.0
+margin_right = 459.0
+margin_bottom = 158.0
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
 [node name="Ball" type="HSlider" parent="TabContainer/Performance"]
 margin_left = 259.0
-margin_top = 127.0
+margin_top = 161.0
 margin_right = 459.0
-margin_bottom = 147.0
+margin_bottom = 181.0
 max_value = 17.0
 step = 0.5
 value = 9.5
@@ -137,15 +155,16 @@ __meta__ = {
 }
 
 [node name="Label4" type="Label" parent="TabContainer/Performance"]
-margin_top = 119.0
-margin_right = 40.0
-margin_bottom = 150.0
+margin_top = 153.0
+margin_right = 103.0
+margin_bottom = 184.0
 text = "Ball Limit"
 __meta__ = {
 "_edit_use_anchors_": false
 }
 
 [node name="Boxes" type="Control" parent="TabContainer"]
+visible = false
 anchor_right = 1.0
 anchor_bottom = 1.0
 margin_left = 4.0
@@ -291,10 +310,11 @@ wait_time = 0.25
 autostart = true
 script = ExtResource( 4 )
 
+[connection signal="button_up" from="TabContainer/Performance/CheckButton" to="Game Field" method="_on_change"]
 [connection signal="button_up" from="TabContainer/Boxes/Box Number/Buy" to="TabContainer/Boxes/Box Number" method="_on_Buy_button_up"]
 [connection signal="mouse_entered" from="TabContainer/Boxes/Box Number/Buy" to="TabContainer/Boxes/Box Number" method="_on_Buy_mouse_entered"]
 [connection signal="mouse_exited" from="TabContainer/Boxes/Box Number/Buy" to="TabContainer/Boxes/Box Number" method="_on_Buy_mouse_exited"]
-[connection signal="timeout" from="Game Field/Timer" to="Game Field" method="_on_Timer_timeout"]
+[connection signal="timeout" from="Game Field/Timer" to="Game Field" method="_on_change"]
 [connection signal="button_up" from="Save Button" to="." method="_on_Save_Button_button_up"]
 [connection signal="button_up" from="Export" to="." method="_on_Export_button_up"]
 [connection signal="button_up" from="Reset" to="." method="_on_Reset_button_up"]
diff --git a/src/box.gd b/src/box.gd
index 2a0bc9a..f7516a6 100644
--- a/src/box.gd
+++ b/src/box.gd
@@ -62,7 +62,7 @@ func delete() -> void: # Used to delete the box
 	self.queue_free()
 
 func update() -> void: # Does all the neccessaary hiding and disabling of physics.
-	if disabled:
+	if disabled: # Sets physics
 		if game.enabled / game.total < game.simulate or game.simulate == 1:
 			game.enabled += 1
 			game.disabledTotal -= Data.earnings[level]
@@ -74,13 +74,21 @@ func update() -> void: # Does all the neccessaary hiding and disabling of physic
 			game.disabledTotal += Data.earnings[level]
 			disabled = true
 			$Node2D/Area2D.collision_mask = 0
-	if invisible:
+	if invisible: # Sets visibility
 		if (game.visibly + 1) / game.total < game.show or game.show == 1:
 			game.visibly += 1
 			invisible = false
-			self.show()
 	else:
 		if game.visibly / game.total > game.show:
 			game.visibly -= 1
 			invisible = true
-			self.hide()
+	var _visibilty = true
+	# Makes sure to set the visibilty according to the right setting
+	if game.onlySimulate:
+		_visibilty = not disabled
+	else:
+		_visibilty = not invisible
+	if _visibilty:
+		self.show()
+	else:
+		self.hide()