If you land on a square with another baby on it, you gain an advantage. You are safe from Angelica in Angelica's Temple and you can search in Angelica's Temple.

At the Title Screen Hold down Z and press R followed by an A. If you Do this correctly a password screen should pop up. On the password screen press Z,A,A,B,R,L. This will bring you to a secret level in Angelica's Temple.