diff --git a/.idea/google-java-format.xml b/.idea/google-java-format.xml
index 8b57f45..05946a8 100644
--- a/.idea/google-java-format.xml
+++ b/.idea/google-java-format.xml
@@ -2,5 +2,6 @@
 <project version="4">
   <component name="GoogleJavaFormatSettings">
     <option name="enabled" value="true" />
+    <option name="style" value="AOSP" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/com/github/codestorm/.gitkeep b/src/main/java/com/github/codestorm/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/main/java/com/github/codestorm/bounceverse/brick/Brick.java b/src/main/java/com/github/codestorm/bounceverse/brick/Brick.java
new file mode 100644
index 0000000..9b80e18
--- /dev/null
+++ b/src/main/java/com/github/codestorm/bounceverse/brick/Brick.java
@@ -0,0 +1,85 @@
+package com.github.codestorm.bounceverse.brick;
+
+public class Brick {
+    private int x, y, width, height;
+    private int hp;
+    private final int initialHp;
+    private boolean destroyed;
+
+    public Brick(int x, int y, int width, int height, int hp) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+        this.hp = hp;
+        this.initialHp = hp;
+        this.destroyed = false;
+    }
+
+    public int getX() {
+        return x;
+    }
+
+    public void setX(int x) {
+        this.x = x;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+    public void setY(int y) {
+        this.y = y;
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    public void setWidth(int width) {
+        this.width = width;
+    }
+
+    public int getHeight() {
+        return height;
+    }
+
+    public void setHeight(int height) {
+        this.height = height;
+    }
+
+    public int getHp() {
+        return hp;
+    }
+
+    public void setHp(int hp) {
+        this.hp = hp;
+    }
+
+    public boolean isDestroyed() {
+        return hp <= 0;
+    }
+
+    public void setDestroyed(boolean destroyed) {
+        this.destroyed = destroyed;
+    }
+
+    /**
+     * Reduces the brick's hit points by one when hit.
+     *
+     * <p>If hit points reach zero, the brick is marked as destroyed.
+     */
+    public void hit() {
+        if (!destroyed && hp > 0) {
+            hp--;
+            if (hp == 0) {
+                this.destroyed = true;
+            }
+        }
+    }
+
+    // Calculates the score awarded for destroying this brick.
+    public int getScore() {
+        return initialHp * 10;
+    }
+}
diff --git a/src/main/java/com/github/codestorm/bounceverse/brick/ExoplodeBrick.java b/src/main/java/com/github/codestorm/bounceverse/brick/ExoplodeBrick.java
new file mode 100644
index 0000000..c215265
--- /dev/null
+++ b/src/main/java/com/github/codestorm/bounceverse/brick/ExoplodeBrick.java
@@ -0,0 +1,34 @@
+package com.github.codestorm.bounceverse.brick;
+
+public class ExoplodeBrick extends Brick {
+    private static final int explodeRadius = 1;
+
+    public ExoplodeBrick(int x, int y, int width, int height, int hp) {
+        super(x, y, width, height, hp);
+    }
+
+    public int getRadius() {
+        return explodeRadius;
+    }
+
+    /**
+     * Handles a hit on this brick.
+     *
+     * <p>Decreases hit points using the parent logic. If the brick is destroyed after the hit, it
+     * triggers an explosion.
+     */
+    @Override
+    public void hit() {
+        super.hit();
+        if (isDestroyed()) {
+            explode();
+        }
+    }
+
+    /**
+     * Triggers the explosion effect of this brick.
+     *
+     * <p>This method can be extended to apply damage to surrounding bricks
+     */
+    private void explode() {}
+}
diff --git a/src/main/java/com/github/codestorm/bounceverse/brick/PowerBrick.java b/src/main/java/com/github/codestorm/bounceverse/brick/PowerBrick.java
new file mode 100644
index 0000000..42afcea
--- /dev/null
+++ b/src/main/java/com/github/codestorm/bounceverse/brick/PowerBrick.java
@@ -0,0 +1,28 @@
+package com.github.codestorm.bounceverse.brick;
+
+public class PowerBrick extends Brick {
+    public PowerBrick(int x, int y, int width, int height, int hp) {
+        super(x, y, width, height, hp);
+    }
+
+    /**
+     * Handles a hit on this power brick.
+     *
+     * <p>Executes the normal hit logic from the parent class. If the brick is destroyed after the
+     * hit, it will randomly spawn its power-up.
+     */
+    @Override
+    public void hit() {
+        super.hit();
+        if (isDestroyed()) {
+            activePower();
+        }
+    }
+
+    /**
+     * Spawns the power-up associated with this brick.
+     *
+     * <p>Subclasses should override this method to define the specific power-up effect.
+     */
+    public void activePower() {}
+}
diff --git a/src/main/java/com/github/codestorm/bounceverse/brick/ProtectedBrick.java b/src/main/java/com/github/codestorm/bounceverse/brick/ProtectedBrick.java
new file mode 100644
index 0000000..3e67912
--- /dev/null
+++ b/src/main/java/com/github/codestorm/bounceverse/brick/ProtectedBrick.java
@@ -0,0 +1,32 @@
+package com.github.codestorm.bounceverse.brick;
+
+public class ProtectedBrick extends Brick {
+    private String shieldSide;
+
+    public ProtectedBrick(int x, int y, int width, int height, int hp, String shieldSide) {
+        super(x, y, width, height, hp);
+        this.shieldSide = shieldSide;
+    }
+
+    public String getShieldSide() {
+        return shieldSide;
+    }
+
+    public void setShieldSide(String shieldSide) {
+        this.shieldSide = shieldSide;
+    }
+
+    /** Handles a hit on this protected brick from a given direction. */
+    public void hit(String direction) {
+        if (!isDestroyed()) {
+            if (!direction.equalsIgnoreCase(shieldSide)) {
+                super.hit();
+            }
+        }
+    }
+
+    // Score from protected brick have more than 20 points.
+    public int getScore() {
+        return super.getScore() + 20;
+    }
+}