diff --git a/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Controllers/Game.java b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Controllers/Game.java
index 4e626b0..6911d98 100644
--- a/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Controllers/Game.java
+++ b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Controllers/Game.java
@@ -1,15 +1,62 @@
 package Controllers;
 
+import java.util.*;
+
 import Models.Word;
+import Models.Difficulty;
 
 public class Game {
     private Word word;
     private int errors;
+    private List<Word> allwords;
+    private Difficulty difficulty;
     private final int maxErrors = 6;
 
-    public Game(Word word) {
+    /* Hangmam Game */
+    public Game(Word word ,List<Word> allWord) {
         this.word = word;
         this.errors = 0;
+       
+        switch (difficulty) {
+            case EASY:
+                this.word = selectWord(allWord, 0 , 7 );
+            break;
+            case MEDIUM:
+                this.word = selectWord(allWord, 0, Integer.MAX_VALUE);
+            break;
+            case HARD:
+                this.allwords = selectTwoWords(allWord);
+            break;
+        }
+    }
+
+    /* Selected  Word with conditions */
+    private Word selectWord(List<Word> list, int min, int max) {
+        for (Word word : list) {
+            int length = word.getWord().length();
+            if (length >= min && length <= max) {
+                return word;
+            }
+        }
+        return list.get(0); 
+    }
+
+    /* Selected word level Difficult */
+    private List<Word> selectTwoWords(List<Word> list) {
+        return list.subList(0, Math.min(2, list.size())); 
+    }
+
+    public boolean playLetter(char caractere) {
+        Boolean correct;
+
+        if(difficulty == Difficulty.HARD){
+            correct = allwords.get(0).VerifyLetter(caractere) || word.get(1).VerifyLetter(caractere);
+        } else{
+            correct = word.VerifyLetter(caractere);
+        }
+
+        if (!correct) errors++;
+        return correct;
     }
 
     /* Verify error number  */
@@ -21,24 +68,13 @@ public class Game {
         return this.maxErrors;
     }
 
-    /* Vue call method VerifyLetter, check status letter false/True */
-    public boolean playLetter(char c) {
-        boolean correct = word.VerifyLetter(c);
-
-        if (!correct) {
-            errors++;
-        }
-
-        return correct;
-    }
-
     /* All letter is completed : Won */ 
     public boolean isWon() {
-        return word.IsComplete();
+        return word.IsComplet();
     }
 
     /* Lost if maxErrors is greater than or egal to errors */ 
     public boolean isLost() {
         return errors >= maxErrors;
-    }
-}
\ No newline at end of file
+    }   
+}
diff --git a/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Difficulty.java b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Difficulty.java
new file mode 100644
index 0000000..cd5608a
--- /dev/null
+++ b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Difficulty.java
@@ -0,0 +1,5 @@
+package Models;
+
+public enum Difficulty {
+    EASY, MEDIUM, HARD
+}
\ No newline at end of file
diff --git a/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Letter.java b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Letter.java
index fb1115f..082834d 100644
--- a/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Letter.java
+++ b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Letter.java
@@ -1,4 +1,4 @@
-package fr.iutfbleau.TD3_DEV51_Qualite_Algo.Models;
+package Models;
 
 public class Letter{
     private char letter;
diff --git a/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Word.java b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Word.java
index 3c3404a..d3ef35d 100644
--- a/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Word.java
+++ b/TD3_DEV51_Qualite_Algo/src/main/java/fr/iutfbleau/TD3_DEV51_Qualite_Algo/Models/Word.java
@@ -1,11 +1,11 @@
-package fr.iutfbleau.TD3_DEV51_Qualite_Algo.Models;
+package Models;
 
 import java.util.*;
 
 public class Word {     
     private final String word;
     private Letter[] tabLetter; 
-    private String c;
+    private String character;
 
     private Word(String word){
         this.word = word;
@@ -14,11 +14,11 @@ public class Word {
         }
     }
     /* Lettre dans le mot */
-    private boolean VerifyLetter(char c){
+    public boolean VerifyLetter(char character){
         boolean return_bool  = false;
         for(Letter letter : this.tabLetter){
             if(!letter.getStatus()){
-                if(letter.isGood(c)){
+                if(letter.isGood(character)){
                     return_bool = true;
                 }
             }
@@ -27,7 +27,7 @@ public class Word {
     }
 
      /* Le mot a été deviné */
-    private boolean IsComplet(){
+    public boolean IsComplet(){
         for(Letter letter : this.tabLetter){
             if(!letter.getStatus()){
                 return false;
@@ -36,5 +36,12 @@ public class Word {
         }
         return true;
     }
+    public String getWord() {
+       return word;
+    }
+    public Word get(int i) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'get'");
+    }
     
 }
\ No newline at end of file