   alias World.Clock, as: Clock
   alias Game.Collision, as: Collision
 
-  @initial_asteroid_count   16
+  @initial_asteroid_count    1
   @initial_ship_count       16
 
   def start_link(fps \\ 0) do

    put_in(game.pids.asteroids[id], pid)
  end

  # Development

  defp fire_bullets(game) do

    fire_bullets(game)
    check_for_collisions(game)

    new_game = game
    |> maybe_spawn_asteroid
    |> update_game_clock

    {:reply, {:elapsed_ms, elapsed_ms}, new_game}
  end

  def handle_call(:state, _from, game) do
