An expansion pack is sorely needed at this point, however, and preferably one with a couple new playable character types and a bunch of new areas.

FORBES: Connect

Removing all character-specific areas is an option, and only including areas that give boosts to certain character-types, but even this could risk upsetting the balance.

FORBES: Connect

As far as character selection goes, the more character types you include, the more complex your password can be, and the harder it will be to crack.

FORBES: Creating And Using Strong Passwords