new_game (mapSeed, playTutorial, cheats, branch)</strong>
    </dt>
    <dd>
    Starts a new game, and does all the bookkeeping necessary for that.  Generates the first map, and puts the player on it.


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">mapSeed</span>
         Number. The seed to use to generate the world. (optional)
        </li>
        <li><span class="parameter">playTutorial</span>
         Boolean. Whether or not to show tutorial messages this game. (optional)
     