diff --git a/Bad.gd b/Bad.gd
index a9c859a..5d7ab59 100644
--- a/Bad.gd
+++ b/Bad.gd
@@ -25,6 +25,7 @@ var screensize
 var health_multi = 1
 var kill_reward = 0
 
+var boss = false
 var health = 1
 var starting_health = 1
 var hit_timer = 1000
@@ -55,5 +56,4 @@ func _process(delta):
 	if velocity.length() > 0:
 		velocity = velocity.normalized() * speed
 	
-	position += velocity * delta
-	prints(health)
\ No newline at end of file
+	position += velocity * delta
\ No newline at end of file
diff --git a/Bad1.gd b/Bad1.gd
index 8ec409d..1d293d7 100644
--- a/Bad1.gd
+++ b/Bad1.gd
@@ -25,6 +25,7 @@ export (PackedScene) var Laser
 var screensize
 var health_multi = 1
 
+var boss = false
 var health = 50
 var hit_timer = 1000
 
diff --git a/BadLaser.gd b/BadLaser.gd
index 90376d9..7c65800 100644
--- a/BadLaser.gd
+++ b/BadLaser.gd
@@ -28,7 +28,7 @@ var health = 400
 var hit_timer = 1000
 var can_shoot = true
 var health_multi = 1
-
+var boss = false 
 func _on_Visibility_screen_exited():
 	prints("bye-bye, bad bad")
 	queue_free()
diff --git a/BlackHole.gd b/BlackHole.gd
index 87badde..6e1c46d 100644
--- a/BlackHole.gd
+++ b/BlackHole.gd
@@ -6,12 +6,14 @@ extends "res://Bad.gd"
 
 var rot_speed = 1
 
+signal flash
+
 func _ready():
-	starting_health = 5000
+	starting_health = 20000
 	health = starting_health
 	speed = 10
-	position.x = 700
-	position.y = 300
+	kill_reward = 1000
+	boss = true
 
 var splitting = false
 
@@ -47,5 +49,12 @@ func _process(delta):
 		$BotHalf.position.y += delta*500
 		$BotHalf.position.x += delta*250
 		
+		if $TopHalf.position.y < -2000:
+			$Music.volume_db -= delta*50
+		
+		if $TopHalf.position.y < -4000:
+			emit_signal("dead", kill_reward)
+			queue_free()
+		
 		$TopHalf.rotation += delta
 		$BotHalf.rotation -= delta
\ No newline at end of file
diff --git a/BlackHole.tscn b/BlackHole.tscn
index 6061571..28f4b09 100644
--- a/BlackHole.tscn
+++ b/BlackHole.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=16 format=2]
+[gd_scene load_steps=17 format=2]
 
 [ext_resource path="res://Bad.tscn" type="PackedScene" id=1]
 [ext_resource path="res://BlackHole.gd" type="Script" id=2]
@@ -11,13 +11,14 @@
 [ext_resource path="res://art/bad/BlackHole/base_6.png" type="Texture" id=9]
 [ext_resource path="res://art/bad/BlackHole/half2.png" type="Texture" id=10]
 [ext_resource path="res://art/bad/BlackHole/half1.png" type="Texture" id=11]
+[ext_resource path="res://late_stage_boss.ogg" type="AudioStream" id=12]
 
-[sub_resource type="CircleShape2D" id=2]
+[sub_resource type="CircleShape2D" id=1]
 
 custom_solver_bias = 0.0
 radius = 904.987
 
-[sub_resource type="SpriteFrames" id=1]
+[sub_resource type="SpriteFrames" id=2]
 
 animations = [ {
 "frames": [ ExtResource( 3 ), ExtResource( 4 ), ExtResource( 5 ), ExtResource( 6 ), ExtResource( 7 ), ExtResource( 8 ), ExtResource( 9 ) ],
@@ -44,19 +45,20 @@ animations = [ {
 "speed": 5.0
 } ]
 
-[node name="BlackHole" index="0" instance=ExtResource( 1 )]
+[node name="BlackHole" instance=ExtResource( 1 )]
 
+position = Vector2( 1302.7, 306.846 )
 scale = Vector2( 0.3, 0.3 )
 script = ExtResource( 2 )
 _sections_unfolded = [ "Collision", "Transform" ]
 
 [node name="CollisionBox" parent="." index="0"]
 
-shape = SubResource( 2 )
+shape = SubResource( 1 )
 
 [node name="MainSprite" parent="." index="2"]
 
-frames = SubResource( 1 )
+frames = SubResource( 2 )
 
 [node name="TopHalf" type="AnimatedSprite" parent="." index="3"]
 
@@ -70,4 +72,12 @@ visible = false
 frames = SubResource( 4 )
 animation = "default"
 
+[node name="Music" type="AudioStreamPlayer" parent="." index="5"]
+
+stream = ExtResource( 12 )
+volume_db = 0.0
+autoplay = true
+mix_target = 0
+bus = "Master"
+
 
diff --git a/Bloob.gd b/Bloob.gd
index 0e14187..6ad331b 100644
--- a/Bloob.gd
+++ b/Bloob.gd
@@ -24,9 +24,7 @@ export (int) var SPEED
 var screensize
 var health_multi = 1
 
-# class member variables go here, for example:
-# var a = 2
-# var b = "textvar"
+var boss = false
 var health = 150
 var hit_timer = 1000
 
diff --git a/Image Sources/SettingsMenu.xcf b/Image Sources/SettingsMenu.xcf
new file mode 100644
index 0000000..69e77e5
Binary files /dev/null and b/Image Sources/SettingsMenu.xcf differ
diff --git a/Laser.gd b/Laser.gd
index 740c1d5..6894ced 100644
--- a/Laser.gd
+++ b/Laser.gd
@@ -29,6 +29,7 @@ var plasma = false
 var current_pen = 0
 var friendly_laser = true
 var damage = DEFAULT_DAMAGE
+var boss = false
 
 func _ready():
 	$AnimatedSprite.play()
diff --git a/Laser.tscn b/Laser.tscn
index e89973e..67a95e9 100644
--- a/Laser.tscn
+++ b/Laser.tscn
@@ -19,7 +19,7 @@ animations = [ {
 "speed": 20.0
 } ]
 
-[node name="Laser" type="Area2D"]
+[node name="Laser" type="Area2D" index="0"]
 
 input_pickable = true
 gravity_vec = Vector2( 0, 1 )
diff --git a/Main.gd b/Main.gd
index e8dd429..4685f15 100644
--- a/Main.gd
+++ b/Main.gd
@@ -48,6 +48,8 @@ func _ready():
 	# Prepare black rectangle for fading in
 	$ColorRect.visible = true
 	
+	randomize()
+	
 	if OS.has_touchscreen_ui_hint():
 		$HowTo.visible = true
 	else:
@@ -139,7 +141,7 @@ var sendblob = 1
 var bad_health_multi = 1.5
 var total_bads_spawned = 0
 func BaddieTimer():
-	if total_bads_spawned == 5: # 75 default
+	if total_bads_spawned%6 == 0: # 75 default
 		if get_tree().is_network_server():
 			total_bads_spawned += 1
 			rpc("bossMode")
@@ -282,8 +284,11 @@ sync func bossMode():
 func _launch_boss():
 	prints("_launch_boss()")
 	var bad 
-	#bad = RectangleBoss.instance()
-	bad = BlackHole.instance()
+	var which_boss = randi()%2
+	if which_boss == 0:
+		bad = RectangleBoss.instance()
+	elif which_boss == 1:
+		bad = BlackHole.instance()
 	add_child(bad)
 	
 	# Flash screen when signalled
diff --git a/Mothership.gd b/Mothership.gd
index dbaaf7f..f4570ae 100644
--- a/Mothership.gd
+++ b/Mothership.gd
@@ -53,7 +53,11 @@ func _on_Mothership_area_shape_entered(area_id, area, area_shape, self_shape):
 	if get_tree().is_network_server():
 		health -= 50
 		rset("slave_health", health)
-		
+	
+	if area.boss:
+			emit_signal("flash")
+			health = 0
+	
 	_update_health_bar()
 	
 	if health <= 250:
diff --git a/Player.gd b/Player.gd
index ec67e47..f3ef1a8 100644
--- a/Player.gd
+++ b/Player.gd
@@ -78,7 +78,7 @@ const LASER_DAMAGE_TIER5_COST = 2000
 const STARTING_POSITION = Vector2(130, 250)
 
 # the amount of money the player starts with
-const STARTING_MONEY = 100
+const STARTING_MONEY = 10000
 
 #################################
 
diff --git a/RectangleBoss.tscn b/RectangleBoss.tscn
index 0ba7ddc..39e3f3f 100644
--- a/RectangleBoss.tscn
+++ b/RectangleBoss.tscn
@@ -51,7 +51,7 @@ animations = [ {
 custom_solver_bias = 0.0
 extents = Vector2( 404.313, 217.774 )
 
-[node name="RectangleBoss" type="Area2D" index="0"]
+[node name="RectangleBoss" type="Area2D"]
 
 position = Vector2( 336.401, -1.22772 )
 scale = Vector2( 0.25, 0.25 )
diff --git a/TODO b/TODO
index 595141b..a6b824d 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,4 @@
+* Get the game on F-Droid
 * More enemy variety
 * A way of increasing difficulty without it suddenly becoming impossible
 * Mothership art
@@ -5,4 +6,5 @@
 * The main menu stars could do something silly and fun, like change colors,
 	maybe taking the menu colors with them.
 * Purchasable Mothership upgrades (like turrets), and make all upgrades exponentially more expensive for higher tiers
+* Sounds effects for upgrades
 * etc., etc.
diff --git a/late_stage_boss.ogg b/late_stage_boss.ogg
new file mode 100644
index 0000000..f17868e
Binary files /dev/null and b/late_stage_boss.ogg differ