diff --git a/metroidvania/Levels/Level_99.gd b/metroidvania/Levels/Level_99.gd
index 084073b..98737f7 100644
--- a/metroidvania/Levels/Level_99.gd
+++ b/metroidvania/Levels/Level_99.gd
@@ -11,7 +11,8 @@ func set_door_lock(value):
 	DoorLock.set_collision_mask_bit(PLAYER_BIT, value)
 
 func _on_Trigger_triggered():
-	set_door_lock(true)
+	if not SaverLoader.custom_data.boss_defeated:
+		set_door_lock(true)
 
 func _on_BossEnemy_died():
 	set_door_lock(false)
diff --git a/metroidvania/SaverLoader.gd b/metroidvania/SaverLoader.gd
index 989d357..6ca0cbe 100644
--- a/metroidvania/SaverLoader.gd
+++ b/metroidvania/SaverLoader.gd
@@ -3,12 +3,20 @@ extends Node
 const save_path = "user://savegame.save"
 
 var is_loading = false
+var custom_data = { # Defaults
+	"boss_defeated": false,
+	"missiles": 0,
+	"missiles_unlocked": false,
+	"health": 4,
+}
 
 func save_game():
-	print("Saving game")
 	var save_game = File.new()
 	save_game.open(save_path, File.WRITE)
 	var persistingNodes = get_tree().get_nodes_in_group("Persists")
+	
+	save_game.store_line(to_json(custom_data))
+	
 	for node in persistingNodes:
 		var nodeData = node.save()
 		save_game.store_line(to_json(nodeData))
@@ -25,6 +33,10 @@ func load_game():
 		node.queue_free()
 		
 	save_game.open(save_path, File.READ)
+	
+	if not save_game.eof_reached():
+		custom_data = parse_json(save_game.get_line())
+	
 	while not save_game.eof_reached():
 		var current_line = save_game.get_line()
 		if current_line == "":
diff --git a/metroidvania/Scenes/Enemies/BossEnemy.gd b/metroidvania/Scenes/Enemies/BossEnemy.gd
index 0c7a23b..2942635 100644
--- a/metroidvania/Scenes/Enemies/BossEnemy.gd
+++ b/metroidvania/Scenes/Enemies/BossEnemy.gd
@@ -9,6 +9,11 @@ export (int) var ACCELERATION = 70
 onready var rightWallCheck = $RightWallCheck
 onready var leftWallCheck = $LeftWallCheck
 
+func _ready():
+	._ready()
+	if SaverLoader.custom_data.boss_defeated:
+		self.queue_free()
+
 func _process(delta):
 	chase_player(delta)
 	
@@ -35,3 +40,8 @@ func fire_bullet() -> void:
 
 func _on_Timer_timeout():
 	fire_bullet()
+
+
+func _on_BossEnemy_died():
+	SaverLoader.custom_data.boss_defeated = true
+	self.queue_free()
diff --git a/metroidvania/Scenes/Enemies/BossEnemy.tscn b/metroidvania/Scenes/Enemies/BossEnemy.tscn
index 3766367..01462d3 100644
--- a/metroidvania/Scenes/Enemies/BossEnemy.tscn
+++ b/metroidvania/Scenes/Enemies/BossEnemy.tscn
@@ -1023,6 +1023,7 @@ collision_mask = 2
 wait_time = 0.3
 autostart = true
 
+[connection signal="died" from="." to="." method="_on_BossEnemy_died"]
 [connection signal="timeout" from="Timer" to="." method="_on_Timer_timeout"]
 
 [editable path="Hurtbox"]
diff --git a/metroidvania/Scenes/Objects/SaveStation.gd b/metroidvania/Scenes/Objects/SaveStation.gd
index 8357fa5..e321070 100644
--- a/metroidvania/Scenes/Objects/SaveStation.gd
+++ b/metroidvania/Scenes/Objects/SaveStation.gd
@@ -1,8 +1,11 @@
 extends StaticBody2D
 
+var PlayerStats = ResourceLoader.PlayerStats
+
 onready var animation = $Animation
 
 func _on_SaveArea_body_entered(_body):
 	print(_body)
+	# PlayerStats.set_max_health()
 	animation.play("Save")
 	SaverLoader.save_game()
diff --git a/metroidvania/Scenes/Player/Player.gd b/metroidvania/Scenes/Player/Player.gd
index 124bd20..17b9b17 100644
--- a/metroidvania/Scenes/Player/Player.gd
+++ b/metroidvania/Scenes/Player/Player.gd
@@ -50,6 +50,9 @@ func set_invincible(value):
 
 func _ready():
 	PlayerStats.connect("player_died", self, "_on_died")
+	PlayerStats.health = SaverLoader.custom_data.health
+	PlayerStats.missiles_unlocked = SaverLoader.custom_data.missiles_unlocked
+	PlayerStats.missiles = SaverLoader.custom_data.missiles
 	MainInstances.Player = self
 	call_deferred("assign_world_camera")
 
@@ -261,6 +264,7 @@ func _on_Hurtbox_hit(damage):
 	if not invincible:
 		PlayerStats.health -= damage
 		blinkAnimator.play("Blink")
+	SaverLoader.custom_data.health = PlayerStats.health
 
 func _on_died():
 	queue_free()
diff --git a/metroidvania/Scenes/Player/PlayerStats.gd b/metroidvania/Scenes/Player/PlayerStats.gd
index f217254..2000213 100644
--- a/metroidvania/Scenes/Player/PlayerStats.gd
+++ b/metroidvania/Scenes/Player/PlayerStats.gd
@@ -22,10 +22,15 @@ func set_health(value):
 	if health == 0:
 		emit_signal("player_died")
 
+func set_max_health():
+	set_health(max_health)
+
 func set_missiles(value):
 	missiles = clamp(value, 0, max_missiles)
+	SaverLoader.custom_data.missiles = missiles
 	emit_signal("player_missiles_changed", missiles)
 
 func set_missiles_unlocked(value):
 	missiles_unlocked = value
+	SaverLoader.custom_data.missiles_unlocked = value
 	emit_signal("player_missiles_unlocked", value)
diff --git a/metroidvania/Scenes/UI/MissilesUI.gd b/metroidvania/Scenes/UI/MissilesUI.gd
index 7f556a8..884d293 100644
--- a/metroidvania/Scenes/UI/MissilesUI.gd
+++ b/metroidvania/Scenes/UI/MissilesUI.gd
@@ -9,7 +9,7 @@ func _ready():
 	PlayerStats.connect("player_missiles_unlocked", self, "_on_player_missiles_unlocked")
 	
 func _on_player_missiles_changed(value):
-	label.text = str(value)
+	label.text = str(value) + "/" + str(PlayerStats.max_missiles)
 	
 func _on_player_missiles_unlocked(value):
 	visible = value
diff --git a/metroidvania/project.godot b/metroidvania/project.godot
index 1814253..f7d2a01 100644
--- a/metroidvania/project.godot
+++ b/metroidvania/project.godot
@@ -53,6 +53,10 @@ window/size/test_height=720
 window/stretch/mode="2d"
 window/stretch/aspect="keep"
 
+[global]
+
+editor=false
+
 [importer_defaults]
 
 texture={