diff --git a/images/Tiles/platformPack_tile028.png b/images/Tiles/platformPack_tile028.png
new file mode 100644
index 0000000..4a1235a
Binary files /dev/null and b/images/Tiles/platformPack_tile028.png differ
diff --git a/platformer.py b/platformer.py
index 334fd76..054ae8b 100644
--- a/platformer.py
+++ b/platformer.py
@@ -13,6 +13,9 @@ CHARACTER_SCALING = 1
 TILE_SCALING = 1
 COIN_SCALING = 0.5
 
+# Movement speed of player, in pixels per frame
+PLAYER_MOVEMENT_SPEED = 5
+
 
 class MyGame(arcade.Window):
     """
@@ -33,6 +36,9 @@ class MyGame(arcade.Window):
         # Separate variable that holds the player sprite
         self.player_sprite = None
 
+        # Our physics engine
+        self.physics_engine = None
+
         arcade.set_background_color(arcade.csscolor.CORNFLOWER_BLUE)
 
     def setup(self):
@@ -69,6 +75,9 @@ class MyGame(arcade.Window):
             wall.position = coordinate
             self.wall_list.append(wall)
 
+        # Create the 'physics engine'
+        self.physics_engine = arcade.PhysicsEngineSimple(self.player_sprite, self.wall_list)
+
     def on_draw(self):
         """ Render the screen. """
 
@@ -80,6 +89,36 @@ class MyGame(arcade.Window):
         self.coin_list.draw()
         self.player_list.draw()
 
+    def on_key_press(self, key, modifiers):
+        """Called whenever a key is pressed. """
+
+        if key == arcade.key.UP or key == arcade.key.W:
+            self.player_sprite.change_y = PLAYER_MOVEMENT_SPEED
+        elif key == arcade.key.DOWN or key == arcade.key.S:
+            self.player_sprite.change_y = -PLAYER_MOVEMENT_SPEED
+        elif key == arcade.key.LEFT or key == arcade.key.A:
+            self.player_sprite.change_x = -PLAYER_MOVEMENT_SPEED
+        elif key == arcade.key.RIGHT or key == arcade.key.D:
+            self.player_sprite.change_x = PLAYER_MOVEMENT_SPEED
+
+    def on_key_release(self, key, modifiers):
+        """Called when the user releases a key. """
+
+        if key == arcade.key.UP or key == arcade.key.W:
+            self.player_sprite.change_y = 0
+        elif key == arcade.key.DOWN or key == arcade.key.S:
+            self.player_sprite.change_y = 0
+        elif key == arcade.key.LEFT or key == arcade.key.A:
+            self.player_sprite.change_x = 0
+        elif key == arcade.key.RIGHT or key == arcade.key.D:
+            self.player_sprite.change_x = 0
+
+    def on_update(self, delta_time):
+        """ Movement and game logic """
+
+        # Move the player with the physics engine
+        self.physics_engine.update()
+
 
 def main():
     """ Main method """