diff --git a/A8/pong-oo_aufgabe.py b/A8/pong-oo_aufgabe.py
index 83b4510..ce37c59 100755
--- a/A8/pong-oo_aufgabe.py
+++ b/A8/pong-oo_aufgabe.py
@@ -76,7 +76,7 @@ class BouncingBall(GameObject):
 
         self.size = [window.width, window.height]
 
-        self.object_image = pygame.image.load('ohm.png')
+        self.object_image = pygame.image.load('A8/ohm.png')
         self.object_size = (50, 50)
         self.object_position = [window.width / 2 - self.object_size[0] / 2, window.height /2 - self.object_size[1]]
 #        self.object_speed = [randint(1,7), randint(1,7)]
@@ -116,6 +116,7 @@ class BouncingBall(GameObject):
 
         if self.rect.colliderect(paddle.rect):
             self.object_speed[1] *= -1
+            game_objects[OBJ_SCORE].increment()
             
         
     def draw(self, window):
@@ -154,19 +155,24 @@ class Paddle(GameObject):
 ###############################################################################
 
 class Score(GameObject):
-    
+
     def __init__(self, window):
         self.window = window
         self.score = 0
+        self.font = pygame.font.Font(None, 36)
 
-    def increment(self, game_objects):
-        
-        self.score += 100
+    def increment(self):
+        self.score += 10
 
     def draw(self, window):
-        pass
 
+        text = self.font.render(
+            f"Score: {self.score}",
+            True,
+            (255, 255, 255)
+        )
 
+        window.screen.blit(text, (10, 10))
 
 def main():
     """
@@ -194,6 +200,7 @@ def init(window : Window, game_objects):
     game_objects[OBJ_OVER] = GameOverLabel(window)
     game_objects[OBJ_BALL] = BouncingBall(window)
     game_objects[OBJ_PADDLE] = Paddle(window)
+    game_objects[OBJ_SCORE] = Score(window)
 
 
 def user_input(window, game_objects):
diff --git a/A9/arbeitsblatt9.pdf b/A9/arbeitsblatt9.pdf
new file mode 100644
index 0000000..956821c
Binary files /dev/null and b/A9/arbeitsblatt9.pdf differ
diff --git a/A9/highscores.txt b/A9/highscores.txt
new file mode 100644
index 0000000..b853003
--- /dev/null
+++ b/A9/highscores.txt
@@ -0,0 +1,6 @@
+30#2020-06-11 18:34:26#
+20#2020-06-11 19:08:10#
+10#2020-06-11 19:08:21#
+0#2020-06-11 19:11:14#
+70#2020-06-11 19:08:56#
+50#2020-06-11 19:09:25#
diff --git a/A9/ohm.png b/A9/ohm.png
new file mode 100644
index 0000000..bd4d275
Binary files /dev/null and b/A9/ohm.png differ
diff --git a/A9/pong-oo-highscore-aufgabe.py b/A9/pong-oo-highscore-aufgabe.py
new file mode 100644
index 0000000..2eb7ee2
--- /dev/null
+++ b/A9/pong-oo-highscore-aufgabe.py
@@ -0,0 +1,292 @@
+import pygame
+from random import randint
+from datetime import datetime
+
+
+OBJ_OVER = "GameOver"
+OBJ_BALL = "Ball"
+OBJ_PADDLE = "Paddle"
+OBJ_COUNTER = "Counter"
+OBJ_HIGHSCORE = "Highscore"
+
+###############################################################################
+
+class GameObject():
+    """
+    Oberklasse für alle Objekte im Spiel
+    Jedes Objekt sollte sich selbst aktualisieren und darstellen können
+    """
+    def update(self, game_objects):
+        pass
+
+    def draw(self, window):
+        pass
+
+    def signal_is_over(self, game_objects):
+        pass
+
+###############################################################################
+
+class Window(GameObject):
+    """
+    Das eigentliche Fenster für das Spiel
+    Stellt den schwarzen Hintergrund dar und wird daher als erstes gezeichnet
+    Steuert auch die Spielgeschwindigkeit
+    """
+    def __init__(self):
+        self.width = 640
+        self.height = 480
+        self.title = "Pong"
+
+        pygame.init()
+        pygame.display.set_caption(self.title)
+        self.size = (self.width, self.height)
+        self.screen = pygame.display.set_mode(self.size)
+        self.clock = pygame.time.Clock()
+
+    def update(self, game_objects):
+        self.clock.tick(50)
+
+    def draw(self, window=None):
+        black = (0, 0, 0)
+        self.screen.fill(black)
+
+###############################################################################
+
+class GameOverLabel(GameObject):
+    """
+    Boolsches "Objekt", das festhält, ob das Spiel verloren wurde
+    Stellt in diesem Fall die Game Over Schrift bereit
+    """
+    def __init__(self, window):
+        font = pygame.font.Font(None, 36)
+        self.image = font.render('Game Over', 1, (255, 255, 255))
+        self.rect = self.image.get_rect(centerx=window.width // 2,
+                                        centery=window.height // 2)
+        self.is_over = False
+
+    def signal_is_over(self, game_objects):
+        self.is_over = True
+
+    def draw(self, window):
+        if self.is_over:
+            window.screen.blit(self.image, self.rect)
+
+###############################################################################
+
+class Counter(GameObject):
+    """
+    Zähler
+    """
+    def __init__(self, window):
+        self.window = window
+        self.counter = 0
+
+    def increment(self):
+        self.counter += 10
+
+    def draw(self, window):
+        font = pygame.font.Font(None, 36)
+        self.image = font.render(f'{self.counter}', 1, (255, 255, 255))
+        self.rect = self.image.get_rect(right=window.width-10 , top=10)
+        window.screen.blit(self.image, self.rect)
+
+
+###############################################################################
+
+class Highscore(GameObject):
+    """
+    Verwaltung der Highscore-Liste
+    """
+    def __init__(self, window):
+        self.window = window
+        self.visible = False
+        self.font = pygame.font.Font(None, 24)
+        self.scores = {}
+        self.last_score = None
+
+        ### TODO: Hier müssen die Highscores eingelesen werden
+
+
+    def signal_is_over(self, game_objects):
+        self.last_score = game_objects[OBJ_COUNTER].counter
+        self.scores[self.last_score] = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+
+        ### TODO: Hier müssen die Highscores gesichert werden
+
+        self.visible = True
+
+    def draw(self, window):
+        if self.visible:
+            sorted_scores = sorted(self.scores.keys())
+            sorted_scores.reverse()
+            line_no = 1
+            for index, key in enumerate(sorted_scores):
+                if index < 4 or key == self.last_score:
+                    color = (255, 0, 0) if key == self.last_score else (255, 255, 255)
+                    image = self.font.render(f'{key} Punkte am {self.scores[key]}', 1, color)
+                    rect = image.get_rect(centerx=window.width // 2, top=window.height // 2 + line_no * 30)
+                    line_no += 1
+                    window.screen.blit(image, rect)
+
+
+###############################################################################
+
+class BouncingBall(GameObject):
+    """
+    Das wandernde Ohm-Zeichen
+    Abprallen wird im Rahmen der Aktualisierung berechnet
+    Darstellung nur, wenn nicht gerade "Game Over angezeigt wird"
+    """
+    def __init__(self, window):
+        self.window = window
+        self.image = pygame.image.load('ohm.png')
+        self.rect = self.image.get_rect()
+        self.rect.left = window.width // 2 - self.rect.width // 2
+        self.rect.top = window.height // 2 - self.rect.height // 2
+        maxspeed = 10
+        self.dx = randint(2, maxspeed)
+        self.dy = randint(2, maxspeed)
+
+    def update(self, game_objects):
+        self.is_visible = not game_objects[OBJ_OVER].is_over
+        if self.is_visible:
+            self.rect.left += self.dx
+            self.rect.top += self.dy
+            self.bounce(game_objects)
+
+    def bounce(self, game_objects):
+        if self.rect.left < 0 or self.rect.right > self.window.width:
+            self.dx *= -1
+        has_hit = self.hit(game_objects[OBJ_PADDLE])
+        if has_hit:
+            game_objects[OBJ_COUNTER].increment()
+        if self.rect.top < 0 or has_hit:
+            self.dy *= -1
+        if self.rect.bottom > self.window.height:
+            if not game_objects[OBJ_OVER].is_over:
+                for obj in game_objects.values():
+                    obj.signal_is_over(game_objects)
+
+    def hit(self, paddle):
+        if self.dy < 0:
+            return False
+        return paddle.rect.colliderect(self.rect)
+
+    def draw(self, window):
+        if self.is_visible:
+            window.screen.blit(self.image, self.rect)
+
+###############################################################################
+
+class Paddle(GameObject):
+    """
+    Der Schläger
+    Darstellung nur, wenn nicht gerade "Game Over angezeigt wird"
+    """
+    def __init__(self, window):
+        self.width = 100
+        self.height = 10
+        x = window.width // 2 - self.width // 2
+        y = window.height - 2 * self.height
+        self.rect = pygame.Rect(x, y, self.width, self.height)
+        self.color =  (255, 0, 0),  # rot
+        self.speed = 10
+        self.dx = 0
+        self.dy = 0
+
+    def update(self, game_objects):
+        self.is_visible = not game_objects[OBJ_OVER].is_over
+        if self.is_visible:
+            self.rect.left += self.dx
+            self.rect.top += self.dy
+
+    def draw(self, window):
+        if self.is_visible:
+            pygame.draw.rect(window.screen, self.color, self.rect)
+
+###############################################################################
+
+def main():
+    """
+    Main-Funktion mit Game-Loop
+    Hostet die beiden zentralen Variablen "window" und "game_objects"
+    """
+    window = Window()
+    game_objects = dict()
+    init(window, game_objects)
+
+    running = True
+
+    while running:
+        running = user_input(window, game_objects)
+        update(window, game_objects)
+        draw(window, game_objects)
+
+
+def init(window, game_objects):
+    """
+    Anlegen aller Objekte des Spiels
+    """
+    game_objects[OBJ_OVER] = GameOverLabel(window)
+    game_objects[OBJ_BALL] = BouncingBall(window)
+    game_objects[OBJ_PADDLE] = Paddle(window)
+    game_objects[OBJ_COUNTER] = Counter(window)
+    game_objects[OBJ_HIGHSCORE] = Highscore(window)
+
+
+def user_input(window, game_objects):
+    """
+    Abarbeiten aller Events
+    :return: False, falls das Spiel beendet wird, sonst Truepong-oo.py
+    """
+
+    def process_event():
+        """
+        Verarbeitung eines Events
+        """
+        if event.type == pygame.QUIT:
+            return False
+        if event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_ESCAPE:
+                return False
+            if event.key == pygame.K_SPACE and game_objects[OBJ_OVER].is_over:
+                init(window, game_objects)
+            if event.key == pygame.K_LEFT:
+                game_objects[OBJ_PADDLE].dx -= game_objects[OBJ_PADDLE].speed
+            if event.key == pygame.K_RIGHT:
+                game_objects[OBJ_PADDLE].dx += game_objects[OBJ_PADDLE].speed
+        if event.type == pygame.KEYUP:
+            if event.key == pygame.K_LEFT:
+                game_objects[OBJ_PADDLE].dx += game_objects[OBJ_PADDLE].speed
+            if event.key == pygame.K_RIGHT:
+                game_objects[OBJ_PADDLE].dx -= game_objects[OBJ_PADDLE].speed
+        return True
+
+    result = True
+    for event in pygame.event.get():
+        result = result and process_event()
+    return result
+
+
+def update(window, game_objects):
+    """
+    Aktualisierung aller Objekt
+    """
+    window.update(game_objects)
+    for o in game_objects.values():
+        o.update(game_objects)
+
+
+def draw(window, game_objects):
+    """
+    Zeichnen aller Objekte
+    """
+    window.draw()
+    for o in game_objects.values():
+        o.draw(window)
+    pygame.display.flip()
+
+
+if __name__ == "__main__":
+    main()