diff --git a/invasion-force/objects/obj_boss/Collision_obj_laser.gml b/invasion-force/objects/obj_boss/Collision_obj_laser.gml
index d547d70..26e35f0 100644
--- a/invasion-force/objects/obj_boss/Collision_obj_laser.gml
+++ b/invasion-force/objects/obj_boss/Collision_obj_laser.gml
@@ -14,6 +14,10 @@ if(health <= 0) {
 	global.scheduleBoss = true
 	if(global.bossWins == 0) {
 		global.bossWins += 1
+		if(room != Arena) {
+			audio_stop_sound(snd_boss)
+			audio_play_sound(snd_level, 1, true)
+		}
 	}
 	instance_destroy()
 }
\ No newline at end of file
diff --git a/invasion-force/objects/obj_boss2/Collision_obj_laser.gml b/invasion-force/objects/obj_boss2/Collision_obj_laser.gml
index c03ac76..c677917 100644
--- a/invasion-force/objects/obj_boss2/Collision_obj_laser.gml
+++ b/invasion-force/objects/obj_boss2/Collision_obj_laser.gml
@@ -18,6 +18,10 @@ if(health <= 0) {
 	with (obj_beam) {
 		instance_destroy()
 	}
+	if(room != Arena) {
+		audio_stop_sound(snd_boss)
+		audio_play_sound(snd_level, 1, true)
+	}
 	global.spawnEnemies = true
 	global.spawnBoss = false
 	global.bossWins += 1
diff --git a/invasion-force/objects/obj_boss3/Collision_obj_laser.gml b/invasion-force/objects/obj_boss3/Collision_obj_laser.gml
index 3438039..de32dcf 100644
--- a/invasion-force/objects/obj_boss3/Collision_obj_laser.gml
+++ b/invasion-force/objects/obj_boss3/Collision_obj_laser.gml
@@ -10,6 +10,10 @@ if(health <= 0) {
 	instance_create_layer(x + sprite_xoffset ,y + sprite_yoffset+20,"Instances",obj_explosion)
 	instance_create_layer(x + sprite_xoffset-20 ,y + sprite_yoffset,"Instances",obj_explosion)
 	instance_create_layer(x + sprite_xoffset ,y + sprite_yoffset-20,"Instances",obj_explosion)
+	if(room != Arena) {
+		audio_stop_sound(snd_boss)
+		audio_play_sound(snd_level, 1, true)
+	}
 	global.spawnEnemies = true
 	global.spawnBoss = false
 	global.bossWins += 1
diff --git a/invasion-force/objects/obj_boss4/Collision_obj_laser.gml b/invasion-force/objects/obj_boss4/Collision_obj_laser.gml
index a9bab31..d9b8a18 100644
--- a/invasion-force/objects/obj_boss4/Collision_obj_laser.gml
+++ b/invasion-force/objects/obj_boss4/Collision_obj_laser.gml
@@ -12,6 +12,10 @@ if(health <= 0) {
 	instance_create_layer(x + sprite_xoffset ,y + sprite_yoffset+20,"Instances",obj_explosion)
 	instance_create_layer(x + sprite_xoffset-20 ,y + sprite_yoffset,"Instances",obj_explosion)
 	instance_create_layer(x + sprite_xoffset ,y + sprite_yoffset-20,"Instances",obj_explosion)
+	if(room != Arena) {
+		audio_stop_sound(snd_boss)
+		audio_play_sound(snd_level, 1, true)
+	}
 	global.spawnEnemies = true
 	global.spawnBoss = false
 	global.bossWins += 1
diff --git a/invasion-force/objects/obj_boss5/Collision_obj_laser.gml b/invasion-force/objects/obj_boss5/Collision_obj_laser.gml
index 57850e9..ee64d81 100644
--- a/invasion-force/objects/obj_boss5/Collision_obj_laser.gml
+++ b/invasion-force/objects/obj_boss5/Collision_obj_laser.gml
@@ -21,6 +21,10 @@ if(health <= 0) {
 	instance_create_layer(x + sprite_xoffset ,y + sprite_yoffset+50,"Instances",obj_explosion)
 	instance_create_layer(x + sprite_xoffset-50 ,y + sprite_yoffset,"Instances",obj_explosion)
 	instance_create_layer(x + sprite_xoffset ,y + sprite_yoffset-50,"Instances",obj_explosion)
+	if(room != Arena) {
+		audio_stop_sound(snd_boss)
+		audio_play_sound(snd_level, 1, true)
+	}
 	global.bossWins += 1
 	instance_destroy()
 }
\ No newline at end of file
diff --git a/invasion-force/objects/obj_enemy_spawn/Alarm_4.gml b/invasion-force/objects/obj_enemy_spawn/Alarm_4.gml
index f133eb6..97b58b3 100644
--- a/invasion-force/objects/obj_enemy_spawn/Alarm_4.gml
+++ b/invasion-force/objects/obj_enemy_spawn/Alarm_4.gml
@@ -5,6 +5,10 @@ if(global.spawnEnemies || !global.alive) {
 	global.spawnEnemies = false
 	alarm[4] = 5 * room_speed
 } else if (global.spawnBoss) {
+	if(global.bossWins == 0) {
+		audio_stop_sound(snd_level)
+		audio_play_sound(snd_boss, 1, true)
+	}
 	instance_create_layer(room_width / 2,0,"Instances",obj_boss)
 } else {
 	global.scheduleBoss = true	
diff --git a/invasion-force/objects/obj_enemy_spawn/Alarm_6.gml b/invasion-force/objects/obj_enemy_spawn/Alarm_6.gml
index ce9f73d..deb1c09 100644
--- a/invasion-force/objects/obj_enemy_spawn/Alarm_6.gml
+++ b/invasion-force/objects/obj_enemy_spawn/Alarm_6.gml
@@ -6,5 +6,7 @@ if(global.spawnEnemies || global.spawnBoss || !global.alive) {
 	global.spawnBoss = false
 	alarm[6] = 5 * room_speed
 } else {
+	audio_stop_sound(snd_level)
+	audio_play_sound(snd_boss, 1, true)
 	instance_create_layer(room_width / 2 + 200,-100,"Instances",obj_boss2)
 }
\ No newline at end of file
diff --git a/invasion-force/objects/obj_enemy_spawn/Alarm_7.gml b/invasion-force/objects/obj_enemy_spawn/Alarm_7.gml
index c7f6adc..dd8bad8 100644
--- a/invasion-force/objects/obj_enemy_spawn/Alarm_7.gml
+++ b/invasion-force/objects/obj_enemy_spawn/Alarm_7.gml
@@ -6,5 +6,7 @@ if(global.spawnEnemies || global.spawnBoss || !global.alive) {
 	global.spawnBoss = false
 	alarm[7] = 5 * room_speed
 } else {
+	audio_stop_sound(snd_level)
+	audio_play_sound(snd_boss, 1, true)
 	instance_create_layer(100,100,"Instances",obj_boss3)
 }
\ No newline at end of file
diff --git a/invasion-force/objects/obj_enemy_spawn/Alarm_8.gml b/invasion-force/objects/obj_enemy_spawn/Alarm_8.gml
index 8699c0e..c3efc19 100644
--- a/invasion-force/objects/obj_enemy_spawn/Alarm_8.gml
+++ b/invasion-force/objects/obj_enemy_spawn/Alarm_8.gml
@@ -6,5 +6,7 @@ if(global.spawnEnemies || global.spawnBoss || !global.alive) {
 	global.spawnBoss = false
 	alarm[8] = 5 * room_speed
 } else {
+	audio_stop_sound(snd_level)
+	audio_play_sound(snd_boss, 1, true)
 	instance_create_layer(100,100,"Instances",obj_boss4)
 }
\ No newline at end of file
diff --git a/invasion-force/objects/obj_enemy_spawn/Alarm_9.gml b/invasion-force/objects/obj_enemy_spawn/Alarm_9.gml
index f6f7910..8258984 100644
--- a/invasion-force/objects/obj_enemy_spawn/Alarm_9.gml
+++ b/invasion-force/objects/obj_enemy_spawn/Alarm_9.gml
@@ -6,5 +6,7 @@ if(global.spawnEnemies || global.spawnBoss || !global.alive) {
 	global.spawnBoss = false
 	alarm[9] = 5 * room_speed
 } else {
+	audio_stop_sound(snd_level)
+	audio_play_sound(snd_boss, 1, true)
 	instance_create_layer(room_width/2,0,"Instances",obj_boss5)
 }
\ No newline at end of file