diff --git a/avocado.py b/avocado.py
index 25ac99d..edb6614 100644
--- a/avocado.py
+++ b/avocado.py
@@ -7,8 +7,11 @@ class Avocado:
 
     def __init__(self, screen, color, size, select, sound=True, filename='img/AvoCado_0.png'):
         # We randomly decide whether we should instanciate or not
+        # I'd rather just not return an instance,
+        # but I don't know how to do that :(
         if random.randint(0,1) == 0:
             self.is_falling = False
+            self.has_been_pinned = False
             return None
 
         print('New avocado is ' + ','.join(str(color)))
@@ -31,6 +34,7 @@ class Avocado:
         self.vx = 10
         self.vy = 10
         self.is_falling = True
+        self.has_been_pinned = False
 
 
     def blitme(self):
@@ -42,24 +46,24 @@ class Avocado:
         self.rect.y = random.randint(20, 70)
 
 
-    def collides(self, click):
+    def isHit(self, click):
         """
         Checks whether this object collides with the given position
-        in click
+        of a mouse-click
         """
         mousex, mousey = click
         if self.rect.left < mousex and self.rect.right > mousex and \
-                self.rect.top < mousey and self.rect.bottom > mousey and \
-				self.color == self.select:
-            self.destroy()
-            return True
+            self.rect.top < mousey and self.rect.bottom > mousey:
+
+            if self.color == self.select:
+                self.has_been_pinned = True
+                return True
+            else:
+                return False
 
-    def destroy(self):
-        """destroys this object"""
-        del(self)
 
     def exists(self):
-        return self.is_falling
+        return not self.has_been_pinned and self.is_falling
 
 
     def move(self):
@@ -80,6 +84,7 @@ class Avocado:
             print('platch')
             return True
 
+
     def mute(self,mute=False):
         if not sound:
             return
@@ -109,3 +114,6 @@ class Avocado:
             return
         self.click = pygame.mixer.Sound("audio/click.wav")
         return self.click
+
+    def destroy(self):
+        del(self)
diff --git a/game.py b/game.py
index a9e9b9a..b82b9b0 100755
--- a/game.py
+++ b/game.py
@@ -10,6 +10,7 @@ from pygame.locals import *
 from support.colors import *
 from interface import hud
 
+
 def initialize_screen():
     displayInfo = pygame.display.Info()
     zoom = 1.3
@@ -77,8 +78,6 @@ def main():
 
         timeleft -= time_passed / 1000
         timeleft = round(timeleft, 2)
-
-
         if timeleft <= 0:
             screen_width, screen_height = size
             screen.blit(game_over, (screen_width/3, screen_height/2))
@@ -101,6 +100,8 @@ def main():
                 a = avocado.Avocado(screen, avocolor, avosize, color, noSound)
                 avocados.append(a)
 
+        # Remove avocados from the list if they no longer exist
+        # E.g. have been pinned or fallen down
         avocados[:] = [ x for x in avocados if x.exists() ]
         for a in avocados:
             a.move()
@@ -111,9 +112,12 @@ def main():
             # Collision detection
             if event.type == MOUSEBUTTONDOWN:
                 for avo in avocados:
-                    if avo.collides(pygame.mouse.get_pos()):
+                    hit = avo.isHit(pygame.mouse.get_pos())
+                    if hit:
                         score += 100
-                        avo.init_pos()
+                    elif hit == False:
+                        score -= 50
+
             # Had enough of this?
             if event.type == pygame.QUIT:
                 running = False
diff --git a/requirements.txt b/requirements.txt
index e69de29..7a557c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1 @@
+hg+https://bitbucket.org/pygame/pygame