diff --git a/Throot.py b/Throot.py
index 8f395c2..2f07a60 100644
--- a/Throot.py
+++ b/Throot.py
@@ -11,7 +11,7 @@ from random import randrange
 from Games.Throot.artrepository import *
 from Games.Throot.player import Player, Camera
 from Games.Throot.map import ObstacleSlice, OBSTACLE_SLICES
-from Games.Throot.sprites import Obstacle, update_entities
+from Games.Throot.sprites import Entity, Obstacle, Collectible, update_entities
 from Games.Throot.constants import *
 
 
@@ -114,19 +114,42 @@ class GameLoop(Room):
         self.finish_depth = 0
         
         self.waterx = float(0)
+        
+        seed_sprite = thumby.Sprite(seed.width, seed.height, seed.image, 0, 0, 0, False, False)
+        self.seed = Entity((thumby.display.width - seed.width) // 2, 0, seed.width, seed.height, None, seed_sprite)
     
     def start(self, event):
         self.entities.clear()
+        self.entities.add(
+            self.seed
+        )
         self.current_obstacle_slice = OBSTACLE_SLICES[0]
         self.player = Player()
         self.player.yspeed = 10
-        self.score = 0
+        self.score = 'score' in event and event['score'] or 0
+        self.level = 'level' in event and event['level'] or 0
         
         self.finish_depth = 100 + 5 * self.level ** 2
         self.camera = Camera(self.player)
 
     def get_obstacle_slice(self):
         return OBSTACLE_SLICES[randrange(0, len(OBSTACLE_SLICES))]
+    
+    def draw_sky(self):
+        sky_x = 0
+        sky_y = -thumby.display.height
+        sky_width = thumby.display.width
+        sky_height = thumby.display.height
+        if self.camera.entity_in_camera(sky_x, sky_y, sky_width, sky_height):
+            sky_x, sky_y = self.camera.relative_to_camera(sky_x, sky_y)
+            thumby.display.drawFilledRectangle(int(sky_x), int(sky_y), int(sky_width), int(sky_height), 1)
+        sky_x = 0
+        sky_y = 0
+        sky_width = thumby.display.width
+        sky_height = thumby.display.height
+        if self.camera.entity_in_camera(sky_x, sky_y, sky_width, sky_height):
+            sky_x, sky_y = self.camera.relative_to_camera(sky_x, sky_y)
+            thumby.display.drawFilledRectangle(int(sky_x), int(sky_y), int(sky_width), int(sky_height), 0)
         
     def draw_water(self):
         # bookwater
@@ -184,7 +207,7 @@ class GameLoop(Room):
 
         # Generate new entities as needed
         if abs(self.player.y) < abs(self.finish_depth):
-            self.entities |= update_entities(self.entities, 5, self.player.ysub, self.player.prev_y)
+            self.entities |= update_entities(self.entities, self.level, self.player.ysub, self.player.prev_y)
         else:
             self.entities.clear()
 
@@ -200,17 +223,24 @@ class GameLoop(Room):
                         'score': self.score,
                         'level': self.level + 1
                     }
+                elif isinstance(entity, Collectible):
+                    self.score += entity.score
+                    to_remove.add(entity)
         self.entities -= to_remove
         
-        self.score = int(abs(self.player.y) * 10)
+        self.score += int(abs(self.player.ysub - self.player.prev_y) * 10)
         
         # finish level
         if self.player.y > self.finish_depth + int(thumby.display.height * 1.5):
+            self.score += 20
             self.level += 1
-            self.start({})
+            self.start({
+                'score': self.score,
+                'level': self.level
+            })
 
         thumby.display.fill(0)
-        
+        self.draw_sky()
         # Draw the entities
         for entity in self.entities:
             entity.render(tpf, self.camera)
diff --git a/artrepository.py b/artrepository.py
index df29ab1..18d9609 100644
--- a/artrepository.py
+++ b/artrepository.py
@@ -2,6 +2,27 @@ from collections import namedtuple
 
 SpriteImage = namedtuple("SpriteImage", ["image", "collision", "width", "height"])
 
+seed = SpriteImage(
+    bytearray([8,20,46,46,62,62,46,62,46,12,0]),
+    None,
+    11,
+    7
+)
+
+collectibleover = SpriteImage(
+    bytearray([9,4,6,9]),
+    None,
+    4,
+    4
+)
+
+collectibleunder = SpriteImage(
+    bytearray([6,11,9,6]),
+    None,
+    4,
+    4
+)
+
 # BITMAP: width: 8, height: 8
 skull = SpriteImage(
     bytearray([0,28,102,126,38,30,28,0]),
@@ -203,5 +224,4 @@ sprite_buttona2 =  SpriteImage(
     8
 )
 
-
-OBSTACLES = [skull, pizza, boulder, ball, steve, mathroot, leaf, robot, dinoskull, dinojaw, dinospine, bone, bigdinohead, bigboneddiag, bigdoritoobstacle, spaceinv,annoydead,lvl4wall,ballobstaclelvl3,Doritoobstaclelvl5]
\ No newline at end of file
+OBSTACLES = [skull, pizza, boulder, ball, steve, mathroot, leaf, robot, dinoskull, dinojaw, dinospine, bone, bigdinohead, bigboneddiag, bigdoritoobstacle, spaceinv,annoydead,lvl4wall,ballobstaclelvl3,Doritoobstaclelvl5]
diff --git a/constants.py b/constants.py
index 6806087..2c386f5 100644
--- a/constants.py
+++ b/constants.py
@@ -4,3 +4,4 @@ ROOM_START = 0
 ROOM_MAIN = 1
 ROOM_END = 2
 ROOM_NEXT = -1
+
diff --git a/sprites.py b/sprites.py
index 8e81d5f..a670000 100644
--- a/sprites.py
+++ b/sprites.py
@@ -5,7 +5,7 @@ import thumby
 
 from Games.Throot.map import ObstacleSlice
 from Games.Throot.player import Player, Camera
-from Games.Throot.artrepository import OBSTACLES
+from Games.Throot.artrepository import *
 
 class Entity:
     """
@@ -67,7 +67,7 @@ class Entity:
             True if the game should keep this entity, false if the game should drop
             this entity from memory.
         """
-        return False
+        return True
 
     def render(self, tpf: float, camera: Camera) -> bool:
         """
@@ -97,6 +97,14 @@ class Obstacle(Entity):
     def update(self, tpf: float, player: Player, camera: Camera) -> bool:
         return True
 
+class Collectible(Entity):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.score = 'score' in kwargs and kwargs['score'] or 10
+        
+    def update(self, tpf: float, player: Player, camera: Camera) -> bool:
+        return True
+
 
 def update_entities(entities, difficulty: int, current_depth: int, prev_depth: int):
     """
@@ -125,7 +133,15 @@ def update_entities(entities, difficulty: int, current_depth: int, prev_depth: i
     spawned = set()
     max_spawned = randrange(0, difficulty + 1)
     while len(spawned) < max_spawned and random() < (2 * math.pow(difficulty + 0.01, 2)) / (3 * math.pow(difficulty + 0.01, 2) + 20 * (difficulty + 0.01)) + 0.05:
-        sprite_image = OBSTACLES[randrange(0, min((difficulty + 1) * 3, len(OBSTACLES)))]
+        if random() < 0.2:
+            Clazz = Collectible
+            if current_depth >= 0:
+                sprite_image = collectibleunder
+            else:
+                sprite_image = collectibleover
+        else:
+            Clazz = Obstacle
+            sprite_image = OBSTACLES[randrange(0, min((difficulty + 1) * 3, len(OBSTACLES)))]
         if sprite_image.width >= thumby.display.width:
             x = 0
         else:
@@ -142,5 +158,5 @@ def update_entities(entities, difficulty: int, current_depth: int, prev_depth: i
                 break
         if not error:
             sprite = thumby.Sprite(sprite_image.width, sprite_image.height, sprite_image.image, 0, 0, 0, False, False)
-            spawned.add(Obstacle(x, y, sprite_image.width, sprite_image.height, sprite_image.collision or sprite_image.image, sprite))
+            spawned.add(Clazz(x, y, sprite_image.width, sprite_image.height, sprite_image.collision or sprite_image.image, sprite))
     return spawned