diff --git a/survival/camera.py b/survival/camera.py
index a43fe73..bc6348b 100644
--- a/survival/camera.py
+++ b/survival/camera.py
@@ -17,7 +17,8 @@ class Camera:
         return pos[0] + self.camera.left, pos[1] + self.camera.top
 
     def get_visible_area(self):
-        pass
+        return Rect(-self.camera.left, -self.camera.top,
+                    SCREEN_WIDTH - self.camera.left, SCREEN_HEIGHT - self.camera.top)
 
     def update(self, target):
         x = -target.pos[0] + int(SCREEN_WIDTH / 2)
diff --git a/survival/game_map.py b/survival/game_map.py
index 505767a..3fc9937 100644
--- a/survival/game_map.py
+++ b/survival/game_map.py
@@ -11,8 +11,9 @@ class GameMap:
         self.layers.append(TileLayer(width, height))
 
     def draw(self, camera):
+        visible_area = camera.get_visible_area()
         for layer in self.layers:
-            layer.draw(camera)
+            layer.draw(camera, visible_area)
         self.player.draw(camera)
 
     def update(self, camera, delta, pressed_keys):
diff --git a/survival/tile_layer.py b/survival/tile_layer.py
index 5c66e33..b07465a 100644
--- a/survival/tile_layer.py
+++ b/survival/tile_layer.py
@@ -9,9 +9,9 @@ class TileLayer:
         self.tiles = [[Tile() for x in range(self.width)] for y in range(self.height)]
         self.image = Image('atlas.png')
 
-    def draw(self, camera):
-        for y in range(self.height):
-            for x in range(self.width):
-                self.image.pos = (x*32, y*32)
+    def draw(self, camera, visible_area):
+        for y in range(int(visible_area.top/32), int(visible_area.height/32) + 1):
+            for x in range(int(visible_area.left/32), int(visible_area.width/32) + 1):
+                self.image.pos = (x * 32, y * 32)
                 self.image.origin = self.tiles[y][x].origin
                 camera.draw(self.image)