Now we're adding levels. First we'll create a "levels" variable and a "monster count." We set the level to 1 then broadcast a "next level" message. The backdrop will receive that message, generate a bad guy, and set the monster count to 1. Every time a monster dies, he changes the monster count by -1. and if the monster count is 0, he sends out a "next level" broadcast. Here's this step's bugs: 1. Even though the second level is supposed to have 2 monsters, it looks like we just have to keep replaying the same level one over and over. 2. Not so much a bug, but add another level that the player needs to complete before he sees the "You Win" backdrop message.
