diff --git a/src/main.cpp b/src/main.cpp
index e08ea2c..e548e71 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -16,6 +16,9 @@
 #define CLK_PIN   52
 #define MAX_DEVICES 9
 
+#define LONG_PRESS_DURATION 1000 // 1 second for long press
+#define MEMORY_MODE_START_DELAY 1000 // Delay between memory sequence steps
+
 //Définitions des pins pour les boutons et les LEDs
 const int player1Buttons[NUM_BUTTONS] = {7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27};
 const int player2Buttons[NUM_BUTTONS] = {45, 47, 49, 35, 37, 39, 41, 43, 29, 31, 33};
@@ -40,6 +43,13 @@ unsigned long lastDebounceTime2[NUM_BUTTONS] = {0};
 
 bool testMode = false;
 
+int gameMode = 1; // Default to mode 1
+bool modeSelected = false;
+int memorySequence[NUM_BUTTONS * 2] = {0};
+int memorySequenceLength = 3;
+int memorySequenceIndex = 0;
+bool memoryInputActive = false;
+
 void waitForStartButton() {
   digitalWrite(startLEDPin, HIGH); // Turn on the start LED
   while (digitalRead(startButtonPin) == HIGH) {
@@ -211,6 +221,69 @@ void displayMotif(const boolean motif[],int size, int dt) {
   }
 }
 
+// Function to display the current mode on the timer display
+void displayMode(int mode) {
+  myDisplay.displayReset();
+  String modeStr = "MOD" + String(mode);
+  myDisplay.displayZoneText(2, modeStr.c_str(), PA_CENTER, 0, 0, PA_PRINT, PA_NO_EFFECT);
+  myDisplay.displayAnimate();
+}
+
+// Function to generate a new memory sequence
+void generateMemorySequence() {
+  for (int i = 0; i < memorySequenceLength; i++) {
+    memorySequence[i] = random(NUM_BUTTONS);
+  }
+}
+
+// Function to display the memory sequence
+void displayMemorySequence() {
+  for (int i = 0; i < memorySequenceLength; i++) {
+    digitalWrite(player1LEDs[memorySequence[i]], HIGH);
+    delay(MEMORY_MODE_START_DELAY);
+    digitalWrite(player1LEDs[memorySequence[i]], LOW);
+    delay(MEMORY_MODE_START_DELAY);
+  }
+  memoryInputActive = true;
+  memorySequenceIndex = 0;
+}
+
+// Function to check player input in memory mode
+void checkMemoryInput() {
+  for (int i = 0; i < NUM_BUTTONS; i++) {
+    if (digitalRead(player1Buttons[i]) == LOW) {
+      delay(DEFAULT_DEBOUNCE_DELAY); // Debounce delay
+      if (i == memorySequence[memorySequenceIndex]) {
+        memorySequenceIndex++;
+        if (memorySequenceIndex == memorySequenceLength) {
+          player1Score += memorySequenceLength;
+          memorySequenceLength++;
+          generateMemorySequence();
+          displayMemorySequence();
+        }
+      } else {
+        player1Score = max(0, player1Score - 1);
+        generateMemorySequence();
+        displayMemorySequence();
+      }
+      break;
+    }
+  }
+}
+
+// Function to handle mode selection
+void selectGameMode() {
+  unsigned long pressStartTime = millis();
+  while (digitalRead(startButtonPin) == LOW) {
+    if (millis() - pressStartTime > LONG_PRESS_DURATION) {
+      modeSelected = true;
+      return;
+    }
+  }
+  gameMode = (gameMode == 1) ? 2 : 1;
+  displayMode(gameMode);
+}
+
 void setup() {
   for (int i = 0; i < NUM_BUTTONS; i++) {
     pinMode(player1Buttons[i], INPUT_PULLUP);
@@ -243,10 +316,21 @@ void setup() {
     testMode = true;
     displayTestMode();
   } else {
-    displayMotif(motif1, 242, 150);
-    waitForStartButton();
-    startTime = millis();
-    initializeLEDs();
+    while (!modeSelected) {
+      if (digitalRead(startButtonPin) == LOW) {
+        selectGameMode();
+      }
+    }
+
+    if (gameMode == 2) {
+      generateMemorySequence();
+      displayMemorySequence();
+    } else {
+      displayMotif(motif1, 242, 150);
+      waitForStartButton();
+      startTime = millis();
+      initializeLEDs();
+    }
   }
 }
 
@@ -256,12 +340,17 @@ void loop() {
     return;
   }
 
-  unsigned long currentTime = millis();
-  if (currentTime - startTime >= GAME_DURATION) {
-    endGame();
-    return;
+  if (gameMode == 1) {
+    unsigned long currentTime = millis();
+    if (currentTime - startTime >= GAME_DURATION) {
+      endGame();
+      return;
+    }
+    updateDisplays(currentTime);
+    checkButtons();
+  } else if (gameMode == 2) {
+    if (memoryInputActive) {
+      checkMemoryInput();
+    }
   }
-
-  updateDisplays(currentTime);
-  checkButtons();
 }
\ No newline at end of file