[Delivers #83332980] Decrease text size of instructions in embedded puzzle mode

1024x768 screen:

Before:
![image](https://cloud.githubusercontent.com/assets/56541/5273928/e1c4e030-7a42-11e4-8b72-9d74b627ba5e.png)

After:
![image](https://cloud.githubusercontent.com/assets/56541/5273922/c74fc742-7a42-11e4-93c3-34675100c9a5.png)