diff --git a/pendu.c b/pendu.c
index c306864..78e223b 100644
--- a/pendu.c
+++ b/pendu.c
@@ -35,12 +35,61 @@ void display_hangman(int tries) {
         case 6: printf("  ----\n  |  |\n  |  O\n  | /|\\\n  | / \\\n  |\n--------\n"); break;
     }
 }
+
+
+/* Choix_diff
+
+this function allow user to play with multiple at the same time after user said amount of playable chars
+*/
+char* choix_diff(){
+    int word_account = 0; //word_count
+    int size = 0; //size
+    int i = 0;
+
+    printf("chosed_wordsez la difficulté du jeu en chosed_wordsant la size : ");
+    scanf(" %d", &size); //&size
+
+    static char word_finale[100] = "";
+    const char *chosed_word[MAX_WORDS]; //chosed_word
+
+    word_finale[0] = '\0';
+
+    while (size >= 3) {
+        const char *word;
+        int word_length;
+
+        do {
+            word = words[rand() % MAX_WORDS];
+            word_length = strlen(word);
+            for(i;i<word_account;i++){
+                if(word == chosed_word[i]){ //chosed_word
+                    word_length = size + 1; //size
+                }
+            }
+
+        } while (word_length > size);
+
+        chosed_word[word_account] = word;
+        word_account++;
+
+        strcat(word_finale, word);
+
+
+        size -= word_length;
+        if(size > 3){
+            strcat(word_finale, "-");
+        }
+    }
+
+    return word_finale;
+}
+
 // main function which starts the game and calculates time and points
 int main() {
-    srand(time(NULL));
-    const char *word = words[rand() % MAX_WORDS];
-    int word_length = strlen(word), tries = 0, guessed_correctly = 0, past_time = 0, score;
+    char *word = choix_diff();
+    int word_length = strlen(word), guessed_correctly = 0, score=0, past_time=0;
     char guessed[word_length];
+    int tries = 0;
     bool is_time_ecouled;
 
     for (int i = 0; i < word_length; i++) {
@@ -48,7 +97,7 @@ int main() {
     }
     guessed[word_length] = '\0';
     long now = (long) time(NULL);
-    
+
     while (tries < MAX_TRIES && guessed_correctly < word_length) {
         long past = now;
         now = (long) time(NULL);
@@ -69,7 +118,7 @@ int main() {
                     guessed[i] = guess;
                     guessed_correctly++;
                 }
-                found = 1; 
+                found = 1;
             }
         }
         if (!found) {