diff --git a/app/src/main/java/com/helldivers/app/ActivityGame.java b/app/src/main/java/com/helldivers/app/ActivityGame.java
index 004705e..4629247 100644
--- a/app/src/main/java/com/helldivers/app/ActivityGame.java
+++ b/app/src/main/java/com/helldivers/app/ActivityGame.java
@@ -82,7 +82,7 @@ private static final int[][] STRATAGEMS = {
         new int[]{UP, DOWN, RIGHT, LEFT, UP},         // Reinforce
         new int[]{DOWN, DOWN, UP, RIGHT},            // Resupply
         new int[]{UP, DOWN, RIGHT, UP},              // SOS Beacon
-        new int[]{DOWN, UP, LEFT, DOWN, UP, RIGHT, DOWN, UP}, // NUX-223 Hellbomb
+        new int[]{DOWN, UP, LEFT, DOWN, UP, RIGHT, DOWN}, // NUX-223 Hellbomb
         new int[]{DOWN, DOWN, DOWN, UP, UP}, // SSSD Delivery
         new int[]{UP, UP, LEFT, RIGHT, DOWN, DOWN}, // Seismic Probe
         new int[]{UP, UP, LEFT, UP, RIGHT},         // Eagle Rearm
@@ -190,7 +190,7 @@ private static final String[] NAMES = {
     private SoundManager soundManager;
     private Handler handler = new Handler();
 
-    private TextView tvCounter;
+    private TextView tvCounter, tvFailuresCounter;
     private ImageView ivStratagemIcon;
     private LinearLayout sequenceContainer;
     private ImageButton btnUp, btnDown, btnLeft, btnRight, btnVolver;
@@ -200,6 +200,7 @@ private static final String[] NAMES = {
     private int[] sequence;
     private int playerIndex = 0;
     private int completadas = 0;
+    private int fallos = 0;
     private boolean esperando = false;
     private boolean juegoActivo = true;
     private int currentStratagemIndex = 0;
@@ -214,6 +215,7 @@ private static final String[] NAMES = {
         catch (Exception e) { soundManager = null; }
 
         tvCounter = findViewById(R.id.tv_counter);
+        tvFailuresCounter = findViewById(R.id.tv_failures_counter);
         ivStratagemIcon = findViewById(R.id.iv_stratagem_icon);
         sequenceContainer = findViewById(R.id.sequence_container);
         btnUp = findViewById(R.id.btn_up);
@@ -226,14 +228,32 @@ private static final String[] NAMES = {
 
         btnVolver.setOnClickListener(v -> finish());
 
-        if (btnUp != null) btnUp.setOnClickListener(v -> onInputWithSound(UP));
-        if (btnDown != null) btnDown.setOnClickListener(v -> onInputWithSound(DOWN));
-        if (btnLeft != null) btnLeft.setOnClickListener(v -> onInputWithSound(LEFT));
-        if (btnRight != null) btnRight.setOnClickListener(v -> onInputWithSound(RIGHT));
+        if (btnUp != null) btnUp.setOnClickListener(v -> { animateButtonClick(v); onInputWithSound(UP); });
+        if (btnDown != null) btnDown.setOnClickListener(v -> { animateButtonClick(v); onInputWithSound(DOWN); });
+        if (btnLeft != null) btnLeft.setOnClickListener(v -> { animateButtonClick(v); onInputWithSound(LEFT); });
+        if (btnRight != null) btnRight.setOnClickListener(v -> { animateButtonClick(v); onInputWithSound(RIGHT); });
 
         nuevaRonda();
     }
 
+    private void animateButtonClick(View v) {
+        // Feedback háptico (vibración corta)
+        v.performHapticFeedback(android.view.HapticFeedbackConstants.VIRTUAL_KEY);
+
+        // Animación de escala más agresiva y rápida
+        v.animate()
+                .scaleX(0.7f)
+                .scaleY(0.7f)
+                .setDuration(40)
+                .withEndAction(() -> v.animate()
+                        .scaleX(1.0f)
+                        .scaleY(1.0f)
+                        .setDuration(150)
+                        .setInterpolator(new android.view.animation.OvershootInterpolator(4.0f)) // Rebote más fuerte
+                        .start())
+                .start();
+    }
+
     private int getArrowRotation(int dir) {
         switch(dir) {
             case UP: return 0;
@@ -277,18 +297,20 @@ private static final String[] NAMES = {
         sequenceContainer.removeAllViews();
 
         for (int i = 0; i < sequence.length; i++) {
-            TextView arrowView = new TextView(this);
-            int size = (int)(56 * getResources().getDisplayMetrics().density);
-            int margin = (int)(4 * getResources().getDisplayMetrics().density);
+            ImageView arrowView = new ImageView(this);
+            int size = (int) (45 * getResources().getDisplayMetrics().density);
+            int margin = (int) (2 * getResources().getDisplayMetrics().density);
             LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(size, size);
             params.setMargins(margin, margin, margin, margin);
             arrowView.setLayoutParams(params);
-            
-            arrowView.setText(String.valueOf(ARROW_CHARS.charAt(sequence[i])));
-            arrowView.setTextColor(Color.parseColor("#FFFFFF"));
-            arrowView.setGravity(Gravity.CENTER);
-            arrowView.setBackgroundResource(R.drawable.arrow_white);
-            
+
+            arrowView.setImageResource(R.drawable.ic_dpad_button);
+            arrowView.setBackgroundResource(R.drawable.btn_direction);
+            arrowView.setRotation(getArrowRotation(sequence[i]));
+            arrowView.setColorFilter(Color.WHITE);
+            int padding = (int) (8 * getResources().getDisplayMetrics().density);
+            arrowView.setPadding(padding, padding, padding, padding);
+
             sequenceContainer.addView(arrowView);
         }
     }
@@ -309,9 +331,9 @@ private static final String[] NAMES = {
             
             if (sequenceContainer != null && playerIndex <= sequence.length) {
                 View child = sequenceContainer.getChildAt(playerIndex - 1);
-                if (child instanceof TextView) {
-                    TextView arrowView = (TextView) child;
-                    arrowView.setTextColor(Color.parseColor("#00FF00"));
+                if (child instanceof ImageView) {
+                    ImageView arrowView = (ImageView) child;
+                    arrowView.setColorFilter(Color.parseColor("#fde902"));
                 }
             }
             
@@ -337,8 +359,11 @@ private static final String[] NAMES = {
                 try { soundManager.playFailure(); } catch (Exception e) {}
             }
             juegoActivo = false;
-            if (ivFailure != null) ivFailure.setVisibility(View.VISIBLE);
-            handler.postDelayed(this::nuevaRonda, 1500);
+            fallos++;
+            if (tvFailuresCounter != null) tvFailuresCounter.setText(String.valueOf(fallos));
+            
+            // Delay de medio segundo antes de reiniciar
+            handler.postDelayed(this::nuevaRonda, 500);
         }
     }
 
diff --git a/app/src/main/java/com/helldivers/app/ActivityQR.java b/app/src/main/java/com/helldivers/app/ActivityQR.java
index 7061d37..25bd378 100644
--- a/app/src/main/java/com/helldivers/app/ActivityQR.java
+++ b/app/src/main/java/com/helldivers/app/ActivityQR.java
@@ -54,14 +54,14 @@ public class ActivityQR extends AppCompatActivity {
 
             int width = bitMatrix.getWidth();
             int height = bitMatrix.getHeight();
-            Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
+            Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
 
-            int black = 0xFF000000;
-            int white = 0xFFFFFFFF;
+            int qrColor = 0xFFFFFFFF; // Blanco para los módulos del QR
+            int transparent = 0x00000000; // Transparente para el fondo
 
             for (int x = 0; x < width; x++) {
                 for (int y = 0; y < height; y++) {
-                    bmp.setPixel(x, y, bitMatrix.get(x, y) ? black : white);
+                    bmp.setPixel(x, y, bitMatrix.get(x, y) ? qrColor : transparent);
                 }
             }
 
diff --git a/app/src/main/res/layout/activity_game.xml b/app/src/main/res/layout/activity_game.xml
index d82c6a8..88be895 100644
--- a/app/src/main/res/layout/activity_game.xml
+++ b/app/src/main/res/layout/activity_game.xml
@@ -9,20 +9,35 @@
 
     <!-- Nombre de la estratagema -->
 
-    <TextView
-        android:id="@+id/tv_counter"
+    <LinearLayout
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentEnd="true"
         android:layout_alignParentBottom="true"
-        android:layout_marginStart="8dp"
-        android:layout_marginTop="8dp"
         android:layout_marginEnd="15dp"
-        android:layout_marginBottom="207dp"
-        android:text="0"
-        android:textColor="#fde902"
-        android:textSize="24sp"
-        android:textStyle="bold" />
+        android:layout_marginBottom="180dp"
+        android:gravity="center_horizontal"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/tv_counter"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="0"
+            android:textColor="#fde902"
+            android:textSize="24sp"
+            android:textStyle="bold" />
+
+        <TextView
+            android:id="@+id/tv_failures_counter"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            android:text="0"
+            android:textColor="#bd0000"
+            android:textSize="24sp"
+            android:textStyle="bold" />
+    </LinearLayout>
 
     <TextView
         android:id="@+id/tv_stratagem_name"
diff --git a/app/src/main/res/layout/activity_qr.xml b/app/src/main/res/layout/activity_qr.xml
index 81bb398..4148c3c 100644
--- a/app/src/main/res/layout/activity_qr.xml
+++ b/app/src/main/res/layout/activity_qr.xml
@@ -22,12 +22,10 @@
 
     <ImageView
         android:id="@+id/qr_image"
-        android:layout_width="440dp"
-        android:layout_height="379dp"
+        android:layout_width="404dp"
+        android:layout_height="344dp"
         android:layout_centerInParent="true"
-        android:background="#FFFFFF"
         android:contentDescription="@string/qr_description"
-        android:padding="8dp"
         android:scaleType="fitCenter" />
 
 </RelativeLayout>
\ No newline at end of file