diff --git a/Sources/Stim.Model/Admin.cs b/Sources/Stim.Model/Admin.cs
index 63f9737..dcd2e49 100644
--- a/Sources/Stim.Model/Admin.cs
+++ b/Sources/Stim.Model/Admin.cs
@@ -23,5 +23,14 @@ namespace Model
         {
             Permission = perm;
         }
+
+        public void DelCom (Game game, Review review)
+        {
+            if (permission >= 1)
+            {
+                game.RemoveReview(review);
+            }
+            return;
+        }
     }
 }
diff --git a/Sources/Stim.Model/Game.cs b/Sources/Stim.Model/Game.cs
index f61b905..516d3f2 100644
--- a/Sources/Stim.Model/Game.cs
+++ b/Sources/Stim.Model/Game.cs
@@ -82,5 +82,21 @@ namespace Model
         {
             Reviews.Remove(review);
         }
+        public void DescChange(string newdesc)
+        {
+            description = newdesc;
+        }
+        public void TagChange(string[] newtag)
+        {
+            tags=newtag;
+        }
+        public void NameChange(string newname)
+        {
+            name = newname;
+        }
+        public void yearChange(int newyear)
+        {
+            year = newyear;
+        }
     }
 }
diff --git a/Sources/Stim.Model/GameHandler.cs b/Sources/Stim.Model/GameHandler.cs
new file mode 100644
index 0000000..6de14e7
--- /dev/null
+++ b/Sources/Stim.Model/GameHandler.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Model
+{
+    internal class GameHandler
+    {
+        public List<Game> gamesList
+        {
+            get { return gamesList}
+        }
+        public GameHandler()
+        {
+            List<Game> gamesList=new List<Game>();
+        }
+    }
+}
diff --git a/Sources/Stim.Model/Persistable.cs b/Sources/Stim.Model/Persistable.cs
new file mode 100644
index 0000000..79e9606
--- /dev/null
+++ b/Sources/Stim.Model/Persistable.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace Model
+{
+    public interface Persistable
+    {
+        public void Load()
+        {
+            Console.WriteLine("Todo");
+            //To do
+        }
+        public void Save(List<Game> gamesList) 
+        {
+            Console.WriteLine("Todo");
+            //To do
+        }
+    }
+}
diff --git a/Sources/Stim.Model/Review.cs b/Sources/Stim.Model/Review.cs
index d6c1543..94a44c4 100644
--- a/Sources/Stim.Model/Review.cs
+++ b/Sources/Stim.Model/Review.cs
@@ -36,15 +36,27 @@ namespace Model
         }
         private string text;
 
+        public string AuthorName
+        {
+            get { return authorName; }
+            private set { authorName = value; }
+        }
+        private string authorName;
+
         public Review(float rate, string text)
         {
+            AuthorName = authorName;
             Rate = rate;
             Text = text;
         }
 
         public void EditReview(string text)
         {
-            Text = text;
+            Text = text+" (Modifié)";
+        }
+        public void EditRate(int newval)
+        {
+            rate= newval;
         }
     }
 }
diff --git a/Sources/Stim.Model/User.cs b/Sources/Stim.Model/User.cs
index f600ff6..7e151bc 100644
--- a/Sources/Stim.Model/User.cs
+++ b/Sources/Stim.Model/User.cs
@@ -61,5 +61,24 @@ namespace Model
             Password = password;
             Followed_Games = new List<Game>();
         }
+        public void AddReview(Game game, Review review)
+        {
+            game.AddReview(review);
+        }
+        public void RemoveSelfReview(Game game, Review review)
+        {
+            if (review.AuthorName == username)
+            {
+                game.RemoveReview(review);
+            }
+        }
+        public void FollowAGame(Game game)
+        {
+            Followed_Games.Add(game);
+        }
+        public void RemoveAGame(Game game)
+        {
+            Followed_Games.Remove(game);
+        }
     }
 }