BEGINNERS MODE
 code[01] = "levelone";
 code[02] = "memorize!";
 code[03] = "bluesky";
 code[04] = "starcaptain";
 code[05] = "caveman";
 code[07] = "deephill";
 code[09] = "starfire";
 code[12] = "stompers";
 code[13] = "factory";
 code[17] = "themine";
 code[20] = "backup";
 code[25] = "nuclear";
 code[29] = "sandybeach";

 ADVANCED MODE
 code[01] = "advancedship";
 code[02] = "learncontrol";
 code[03] = "norway";
 code[04] = "downhill";
 code[05] = "deepdown";
 code[07] = "newways";
 code[09] = "farup";
 code[12] = "heavymetal";
 code[13] = "cylinders";
 code[17] = "uranium";
 code[20] = "rocketjump";
 code[25] = "easyopponent";
 code[29] = "thedessert";