for(int i = chunkList.length; i > 0; i--)
{
  for (int j = chunkList[i].length; j > 0; j--)
  {
    if (chunkList[i][j] != null) 
    {
      Tile[][] tileList = chunkList[i][j].getTileList();
      for (int x = 8; x > 0; x--)
        for (int y = 8; y > 0; y--)
          if (tileList[x][y] != null) gameRenderer.drawTile(tileList[x][y]); 
    } 
  } 
}