diff --git a/app.rb b/app.rb
index 6823c00..6b20763 100644
--- a/app.rb
+++ b/app.rb
@@ -203,7 +203,13 @@ def add_game
     print 'Enter last played date (YYYY-MM-DD): '
     last_played_at = gets.chomp
 
-    game = Game.new(genre, author, source, label, publish_date, multiplayer, last_played_at)
+    # Modified code: Create a new Game object with the correct parameters
+    game = Game.new(publish_date, multiplayer, last_played_at)
+    game.genre = genre
+    game.author = author
+    game.source = source
+    game.label = label
+
     game.move_to_archive if game.can_be_archived?
 
     @games << game
diff --git a/classes/author.rb b/classes/author.rb
index 0882a9e..cd87f87 100644
--- a/classes/author.rb
+++ b/classes/author.rb
@@ -14,6 +14,14 @@ def initialize(id: nil, first_name:, last_name:)
     @@all_authors << self
   end
 
+  def to_json(*args)
+    {
+      'id' => @id,
+      'first_name' => @first_name,
+      'last_name' => @last_name
+    }.to_json(*args)
+  end
+
   def add_item(item)
     @items << item
     item.author = self
diff --git a/classes/game.rb b/classes/game.rb
index ecf1a23..ca1ebe6 100644
--- a/classes/game.rb
+++ b/classes/game.rb
@@ -4,15 +4,28 @@
 class Game < Item
   attr_accessor :multiplayer, :last_played_at
 
-  @@all_games = []
+  # Class variable to store all game instances
 
-  def initialize(genre, author, source, label, publish_date, multiplayer, last_played_at)
-    super(genre, author, source, label, publish_date)
+  def initialize(publish_date, multiplayer, last_played_at)
+    super(nil, nil, multiplayer, last_played_at, publish_date)
     @multiplayer = multiplayer
     @last_played_at = last_played_at
     @publish_date = Date.parse(publish_date)
+  end
 
-    @@all_games << self
+  def to_json(*args)
+    {
+      JSON.create_id => self.class.name,
+      'id' => @id,
+      'genre' => @genre,
+      'author' => @author,
+      'source' => @source,
+      'label' => @label,
+      'publish_date' => @publish_date,
+      'archived' => @archived,
+      'multiplayer' => @multiplayer,
+      'last_played_at' => @last_played_at
+    }.to_json(*args)
   end
 
   def can_be_archived?
diff --git a/main.rb b/main.rb
index e995886..d84e9fe 100644
--- a/main.rb
+++ b/main.rb
@@ -33,13 +33,13 @@ def run_options(choice)
     when 3
       @app.list_all_movies
     when 4
-      list_all_games
+      @app.list_all_games
     when 5
       @app.list_all_genres
     when 6
       @app.list_all_labels
     when 7
-      list_all_authors
+      @app.list_all_authors
     when 8
       @app.list_all_sources
     when 9
@@ -49,7 +49,7 @@ def run_options(choice)
     when 11
       @app.add_movie
     when 12
-      add_game
+      @app.add_game
     else
       puts 'Invalid option. Please try again.'
     end