diff --git a/super_simon/include/main.h b/super_simon/include/main.h
index b8fb041..5c2d1a3 100644
--- a/super_simon/include/main.h
+++ b/super_simon/include/main.h
@@ -24,6 +24,7 @@
 #define TONE_YELLOW 277
 #define TONE_BLUE 329
 #define TONE_RED 440
+#define TONE_ERROR 100
 
 // Indices in the constants tables
 #define GREEN 0
@@ -33,8 +34,4 @@
 
 #define MAX_GAME 10
 
-const uint8_t LEDS[] = {LED_GREEN, LED_YELLOW, LED_BLUE, LED_RED};
-const uint8_t BUTTONS[] = {BUTTON_GREEN, BUTTON_YELLOW, BUTTON_BLUE, BUTTON_RED};
-const uint16_t TONES[] = {TONE_GREEN, TONE_YELLOW, TONE_BLUE, TONE_RED};
-
 #endif //SUPER_SIMON_MAIN_H
diff --git a/super_simon/include/utils.h b/super_simon/include/utils.h
index 2daeb8e..e36ac35 100644
--- a/super_simon/include/utils.h
+++ b/super_simon/include/utils.h
@@ -10,5 +10,10 @@ void buzz(byte index, unsigned long duration = 0);
 bool buttonIsPressed(byte index);
 void deactivateAll();
 void playSequence(const byte sequence[], byte upTo);
+bool userSequence(const byte sequence[], byte upTo);
+byte waitForButton();
+void error();
+void endGame(LiquidCrystal lcd, bool win, byte score);
+void configure();
 
 #endif //SUPER_SIMON_UTILS_H
diff --git a/super_simon/src/main.cpp b/super_simon/src/main.cpp
index 6dd18d2..17a7625 100644
--- a/super_simon/src/main.cpp
+++ b/super_simon/src/main.cpp
@@ -7,6 +7,7 @@
 LiquidCrystal lcd(9, 8, 4, 5, 6, 7);
 byte sequence[MAX_GAME] = {};
 int8_t currentPosition = -1;
+bool win = true;
 
 void setup() {
     pinMode(LED_BUILTIN, OUTPUT);
@@ -15,13 +16,7 @@ void setup() {
     lcd.print("Super Simon");
     randomSeed(analogRead(A0));
     pinMode(BUZZER, OUTPUT);
-    for (byte i = 0; i < 4; i++) {
-        const byte led = LEDS[i];
-        pinMode(led, OUTPUT);
-        pinMode(BUTTONS[i], INPUT_PULLUP);
-        activate(i);
-        delay(300);
-    }
+    configure();
     deactivateAll();
     digitalWrite(LED_BUILTIN, LOW);
     delay(2000);
@@ -29,16 +24,19 @@ void setup() {
 
 void loop() {
     if (currentPosition + 1 >= MAX_GAME) {
-        lcd.clear();
-        lcd.print("Bravo!");
-        delay(10000);
+        endGame(lcd, win, currentPosition);
         return;
     }
 
     currentPosition += 1;
     byte newItem = random(0, 4);
     sequence[currentPosition] = newItem;
+
     playSequence(sequence, currentPosition);
+    if (!userSequence(sequence, currentPosition)) {
+        win = false;
+        currentPosition = MAX_GAME;
+    }
 
     delay(2000);
 }
diff --git a/super_simon/src/utils.cpp b/super_simon/src/utils.cpp
index 3728828..abc87fc 100644
--- a/super_simon/src/utils.cpp
+++ b/super_simon/src/utils.cpp
@@ -2,16 +2,29 @@
 // Created by Gabriel Augendre on 29/04/2021.
 //
 
+#include <LiquidCrystal.h>
 #include <Arduino.h>
 #include "main.h"
 #include "utils.h"
 
 
+const uint8_t LEDS[] = {LED_GREEN, LED_YELLOW, LED_BLUE, LED_RED};
+const uint8_t BUTTONS[] = {BUTTON_GREEN, BUTTON_YELLOW, BUTTON_BLUE, BUTTON_RED};
+const uint16_t TONES[] = {TONE_GREEN, TONE_YELLOW, TONE_BLUE, TONE_RED};
+
+void configure() {
+    for (byte i = 0; i < 4; i++) {
+        const byte led = LEDS[i];
+        pinMode(led, OUTPUT);
+        pinMode(BUTTONS[i], INPUT_PULLUP);
+        activate(i);
+        delay(300);
+    }
+}
+
 void activate(byte index) {
     for (const byte led : LEDS) {
-        if (led != index) {
-            digitalWrite(led, LOW);
-        }
+        digitalWrite(led, LOW);
     }
     digitalWrite(LEDS[index], HIGH);
     buzz(index);
@@ -40,3 +53,48 @@ void playSequence(const byte sequence[], byte upTo) {
         delay(15);
     }
 }
+
+bool userSequence(const byte sequence[], byte upTo) {
+    for (byte i = 0; i <= upTo; i++) {
+        byte userButton = waitForButton();
+        byte expectedButton = sequence[i];
+        if (userButton == expectedButton) {
+            activate(userButton);
+            delay(300);
+            deactivateAll();
+        }
+        else {
+            error();
+            return false;
+        }
+    }
+    return true;
+}
+
+void error() {
+    tone(BUZZER, TONE_ERROR, 500);
+    delay(500);
+}
+
+byte waitForButton() {
+    while (true) {
+        for (byte i = 0; i < 4; i++) {
+            if (buttonIsPressed(i)) {
+                return i;
+            }
+        }
+    }
+}
+
+void endGame(LiquidCrystal lcd, bool win, byte score) {
+    lcd.clear();
+    if (win) {
+        lcd.print("Bravo!");
+    }
+    else {
+        lcd.print("Perdu :/");
+    }
+    lcd.setCursor(0, 1);
+    lcd.print(score);
+    delay(10000);
+}
\ No newline at end of file