diff --git a/scripts/game.gd b/scripts/game.gd
index 971e190..71e84a1 100644
--- a/scripts/game.gd
+++ b/scripts/game.gd
@@ -8,9 +8,10 @@ enum AMMO_TYPE {NULL, LASER_ENERGY, ROCKETS}
 const DEFAULT_ITEM = preload("res://items/test_item.tres")
 const DEFAULT_WEAPON = preload("res://scenes/weapons/presets/SingleLaserMk1.tscn")
 
-static var gameversion = "Ictar 1.1"
+const gameversion = "Ictar 1.1"
 
-static func profile_create(profile_name):
+## Creates new profile or resaves it if it exists
+static func profile_create(profile_name : String) -> void:
 	var path = "user://"+profile_name+".cosmic"
 	if FileAccess.file_exists(path):
 		profile_save(profile_name, "menu")
@@ -27,47 +28,69 @@ static func profile_create(profile_name):
 		}
 	}
 	var profile_meta_keys = profile_meta['meta'].keys()
-	for i in range(len(profile_meta_keys)):
-		if profile_meta_keys[i][0] == "_":
-			profile_meta_keys.remove_at(i)
 	for i in range(len(profile_meta_keys)):
 		profile_meta['hash'][i] = str(profile_meta['meta'][profile_meta_keys[i]]).sha256_buffer().hex_encode()
 	var file = FileAccess.open(path, FileAccess.WRITE)
 	var json_string = JSON.stringify(profile_meta, "\t")
 	file.store_string(json_string)
 
-static func profile_save(profile_name, _gamestate):
+## Saves profile with new last_time and last_version keys or creates one if it doesn't exist
+static func profile_save(profile_name : String, _gamestate : String) -> void:
 	var path = "user://"+profile_name+".cosmic"
 	if not FileAccess.file_exists(path):
 		profile_create(profile_name)
 		return
 	var profile_meta = profile_load(profile_name)
-	profile_meta['meta']['lastversion'] = gameversion
-	profile_meta['meta']['lastupdated'] = Time.get_datetime_string_from_system()
+	profile_save_from_meta(profile_meta)
+	
+## Saves profile with provided profile meta
+static func profile_save_from_meta(profile_meta : Dictionary) -> void:
+	var path = "user://"+profile_meta['meta']['profile_name']+".cosmic"
+	profile_meta['meta']['last_version'] = gameversion
+	profile_meta['meta']['last_updated'] = Time.get_datetime_string_from_system()
 	var profile_meta_keys = profile_meta['meta'].keys()
-	for i in range(len(profile_meta_keys)):
-		if profile_meta_keys[i][0] == "_":
-			profile_meta_keys.remove_at(i)
 	for i in range(len(profile_meta_keys)):
 		profile_meta['hash'][i] = str(profile_meta['meta'][profile_meta_keys[i]]).sha256_buffer().hex_encode()
 	var file = FileAccess.open(path, FileAccess.WRITE)
 	var json_string = JSON.stringify(profile_meta, "\t")
 	file.store_string(json_string)
-	
 
-static func profile_load(profile_name):
+## Returns profile meta of profile if it exists
+static func profile_load(profile_name : String) -> Dictionary:
 	var path = "user://"+profile_name+".cosmic"
 	if not FileAccess.file_exists(path):
-		return
+		return {}
 	var file = FileAccess.open(path, FileAccess.READ)
 	var string = file.get_as_text()
 	var profile_meta = JSON.parse_string(string)
 	for meta in profile_meta:
 		print(meta, ": ", profile_meta[meta])
-		print(profile_meta[meta].keys())
 	return profile_meta
 
-static func get_item(id : String):
+## Deletes profile file if it exists
+static func profile_delete(profile_name : String) -> void:
+	var path = "user://{profile}.cosmic".format({"profile": profile_name})
+	if FileAccess.file_exists(path):
+		var dir = DirAccess.open("user://")
+		dir.remove(path)
+		
+## Compares existing hash and calculated hash of file and if they are not equal resaves file with legit = false.
+static func profile_legit_check(profile_meta : Dictionary) -> void:
+	var old_hash = []
+	var new_hash = []
+	var profile_meta_keys = profile_meta['meta'].keys()
+	for i in range(len(profile_meta_keys)):
+		old_hash.append(profile_meta['hash'][str(i)])
+		new_hash.append(str(profile_meta['meta'][profile_meta_keys[i]]).sha256_buffer().hex_encode())
+	old_hash.sort()
+	new_hash.sort()
+	if old_hash == new_hash and profile_meta['meta']['legit']:
+		return
+	profile_meta['meta']['legit'] = false
+	profile_save_from_meta(profile_meta)
+
+## Returns copy of loaded item resource in directory if it exists or DEFAULT_ITEM instead.
+static func get_item(id : String) -> Item:
 	var path_name = id.to_lower().replace(" ", "_")
 	var path = "res://items/{name}.tres".format({"name": path_name})
 	var res = load(path)
@@ -76,7 +99,8 @@ static func get_item(id : String):
 	else:
 		return DEFAULT_ITEM.duplicate()
 
-static func get_weapon(id : String):
+## Returns weapon packed scene if it exists or DEFAULT_WEAPON instead
+static func get_weapon(id : String) -> PackedScene:
 	var path_name = id.replace(" ", "")
 	var path = "res://weapons/presets/{name}.tscn".format({"name": path_name})
 	var res = load(path)
diff --git a/scripts/menu/MainMenu.gd b/scripts/menu/MainMenu.gd
index e200a3d..2e7d359 100644
--- a/scripts/menu/MainMenu.gd
+++ b/scripts/menu/MainMenu.gd
@@ -2,6 +2,7 @@ extends Node2D
 
 var map_width = 1280
 var map_height = 720
+var menu_id = 0
 @onready var b1 = $Control/MenuButton1
 @onready var b2 = $Control/MenuButton2
 @onready var b3 = $Control/MenuButton3
@@ -36,3 +37,4 @@ func change_menu(id):
 	b3.change_name()
 	b4.change_name()
 	b5.change_name()
+	menu_id = id
diff --git a/scripts/menu/MainMenuButton.gd b/scripts/menu/MainMenuButton.gd
index a520ba5..ab7db96 100644
--- a/scripts/menu/MainMenuButton.gd
+++ b/scripts/menu/MainMenuButton.gd
@@ -2,7 +2,7 @@ extends Button
 
 @export var id = "Null"
 
-@onready var сontroller = $"../.."
+@onready var controller = $"../.."
 
 func _ready():
 	button_up.connect(_on_button_up)
@@ -15,9 +15,16 @@ func _on_button_up():
 		"CreateProfile":
 			Game.profile_create("1")
 		"LoadProfile":
-			Game.profile_load("1")
+			Game.profile_legit_check(Game.profile_load("1"))
+		"DeleteProfile":
+			Game.profile_delete("1")
 		"ExitGame":
 			get_tree().quit()
+		"Profiles":
+			controller.change_menu(1)
+		"Back":
+			var new_menu_id = 0
+			controller.change_menu(new_menu_id)
 
 func change_name():
 	visible = true