diff --git a/Pendu/GameEngine.swift b/Pendu/GameEngine.swift
index 8c43086bd88e02328128e16a398f5bb76534f8cf..a11054f68a68c6e52f46f370f11dd66a1acdc3f6 100644
--- a/Pendu/GameEngine.swift
+++ b/Pendu/GameEngine.swift
@@ -23,7 +23,6 @@ class GameEngine: NSObject {
     
     private var wordToGuess : String = ""
     private var attemptsRemaining : Int = 0
-    private var guessedLetters : [Character] = []
  
     override init() {
         //
@@ -75,13 +74,18 @@ class GameEngine: NSObject {
         return word
     }
     
-    public func startNewGame(difficulty: String) -> Void {
-        print(WordToGuess(theme: "Animals", difficulty: "Easy"))
-    }
+    //public func startNewGame(difficulty: String) -> Void {
+        //wordToGuess = WordToGuess(theme: "Animals", difficulty: "Easy")
+    //}
     
-    public func guessLetter(letter: Character) -> Void {
-        // Vérification de la lettre proposée par le joueur
-        // Mise à jour de l'état de la lettre
+    public func guessLetter(letter: Character) -> Bool {
+
+        if wordToGuess.contains(letter) {
+            return true
+        } else {
+            return false
+        }
+
     }
     
     public func isGameOver() -> Bool {
diff --git a/PenduTests/PenduTests.swift b/PenduTests/PenduTests.swift
index d659345db8cafa5fdd6de0292abc93547ad1b6e9..b960a7496e65129377ed43b4c8533080a84deec9 100644
--- a/PenduTests/PenduTests.swift
+++ b/PenduTests/PenduTests.swift
@@ -32,5 +32,5 @@ class PenduTests: XCTestCase {
             // Put the code you want to measure the time of here.
         }
     }
-
+    
 }