Once inside the game, type the following cheat codes to enter all of the levels in the game:

2 - "rewards"
3 - "premier"
4 - "ostrich"
5 - "diamond"
6 - "strayed"
7 - "prophet"
8 - "coached"
9 - "shorter"
10 - "visible"
11 - "tuneful"
12 - "unicorn"
13 - "readers"
14 - "connect"
15 - "cartoon"
16 - "freedom"