diff --git a/source/Trek-12/ConsoleApp/Program.cs b/source/Trek-12/ConsoleApp/Program.cs
index 6b85432..a9062a1 100644
--- a/source/Trek-12/ConsoleApp/Program.cs
+++ b/source/Trek-12/ConsoleApp/Program.cs
@@ -3,6 +3,7 @@
 
 
 using Models;
+using Models.Game;
 
 Position pos01 = new Position(0,0);
 Position pos02 = new Position(1,0);
diff --git a/source/Trek-12/Models/De.cs b/source/Trek-12/Models/Game/De.cs
similarity index 83%
rename from source/Trek-12/Models/De.cs
rename to source/Trek-12/Models/Game/De.cs
index 0063d0c..3ca9642 100644
--- a/source/Trek-12/Models/De.cs
+++ b/source/Trek-12/Models/Game/De.cs
@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace Models
+namespace Models.Game
 {
     public class De
     {
@@ -37,5 +37,11 @@ namespace Models
         {
             Nb = new Random().Next(NbMin, NbMax + 1);
         }
+
+        public bool IsLower(De de1)
+        {
+            if (de1.Nb > this.Nb) return true;
+            else return false;
+        }
     }
 }
\ No newline at end of file
diff --git a/source/Trek-12/Models/Game/Game.cs b/source/Trek-12/Models/Game/Game.cs
new file mode 100644
index 0000000..606d263
--- /dev/null
+++ b/source/Trek-12/Models/Game/Game.cs
@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Models.Game
+{
+    public class Game
+    {
+        public Player CurentPlayer { get; set; }
+
+        public Map NameMap { get; set; }
+
+        public De De1 {  get; set; }
+        public De De2 {  get; set; }
+
+        public int Turn { get; set; }
+
+
+        public Game(Player player,Map map)
+        {
+            NameMap = map;
+            CurentPlayer = player;
+            De1 = new De();
+            De2 = new De(1);
+            Turn = 0;
+        }
+
+        public void ThrowDice()
+        {
+            De1.Lancer();
+            De2.Lancer();
+        }
+
+        public int ChooseOperation(Operation o)
+        {
+            switch (o)
+            {
+                case Operation.LOWER:
+                    if (De1.IsLower(De2))
+                    {
+                        return De1.Nb;
+                    }
+                    return De2.Nb;
+
+                case Operation.HIGHER:
+                    if (De1.IsLower(De2))
+                    {
+                        return De2.Nb;
+                    }
+                    return De1.Nb;
+
+                case Operation.SUBTRACTION:
+                    if (De1.IsLower(De2))
+                    {
+                        return De2.Nb - De1.Nb;
+                    }
+                    return De1.Nb - De2.Nb; 
+
+                case Operation.ADDITION:
+                    return De2.Nb + De1.Nb;
+
+                case Operation.MULTIPLICATION:
+                    return De2.Nb * De1.Nb;
+                default:
+                    return 0;
+            }
+        }
+    }
+}
diff --git a/source/Trek-12/Models/Map.cs b/source/Trek-12/Models/Game/Map.cs
similarity index 88%
rename from source/Trek-12/Models/Map.cs
rename to source/Trek-12/Models/Game/Map.cs
index 2fa974f..e51349d 100644
--- a/source/Trek-12/Models/Map.cs
+++ b/source/Trek-12/Models/Game/Map.cs
@@ -1,9 +1,9 @@
-namespace Models;
+namespace Models.Game;
 
 public class Map
 {
-    public List<Cell> Cells { get; private set; }
-    
+    public List<Cell> Cells { get; private set; }
+
     public string Background { get; private set; }
 
     public Map(List<Cell> cells, string background)
diff --git a/source/Trek-12/Models/Player.cs b/source/Trek-12/Models/Game/Player.cs
similarity index 75%
rename from source/Trek-12/Models/Player.cs
rename to source/Trek-12/Models/Game/Player.cs
index 1f5dbf6..60d6a08 100644
--- a/source/Trek-12/Models/Player.cs
+++ b/source/Trek-12/Models/Game/Player.cs
@@ -1,21 +1,28 @@
-namespace Models;
+namespace Models.Game;
 
 public class Player
 {
-    public string Pseudo { get; private set; }
-    
+    public string Pseudo { get; private set; }
+
     public string ProfilePicture { get; private set; }
 
     public Player()
     {
         Pseudo = "Player";
         ProfilePicture = "DefaultProfilePicture";
-    }
-    
+    }
+
     public Player(string pseudo, string profilePicture = "DefaultProfilePicture")
     {
         Pseudo = pseudo;
         ProfilePicture = profilePicture;
-    }
-    
+    }
+
+
+
+    public Operation ChooseOperation()
+    {
+        return Operation.LOWER
+    }
+
 }
\ No newline at end of file
diff --git a/source/Trek-12/Models/Rules/Rules.cs b/source/Trek-12/Models/Rules/Rules.cs
new file mode 100644
index 0000000..d9ef85a
--- /dev/null
+++ b/source/Trek-12/Models/Rules/Rules.cs
@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Models.Rules
+{
+    public class Rules
+    {
+        public bool NearCell(Cell playerChoice, List<Cell> cells)
+        {
+            foreach (var item in cells)
+            {
+                if(playerChoice.X == item.X +1 || playerChoice.X == item.X - 1
+                    || playerChoice.Y == item.Y +1 || playerChoice.Y == item.Y -1 )
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}
diff --git a/source/Trek-12/Tests/OperationGridTest.cs b/source/Trek-12/Tests/OperationGridTest.cs
new file mode 100644
index 0000000..80f0692
--- /dev/null
+++ b/source/Trek-12/Tests/OperationGridTest.cs
@@ -0,0 +1,21 @@
+using Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tests
+{
+    public class OperationGridTest
+    {
+        public string Name = "toto";
+        [Theory]
+        [InlineData("toto")]
+        [InlineData(" ")]
+        public void testResultGrid(string name)
+        {
+
+        }
+    }
+}