Whenever, I see "text-based game", I think of old school MUDs, not "Mob Wars". Being a more-than-casual-but-not-so-hardcore gamer, I find it quite silly, that something in which all you have to do is click a button is even considered a game.

Also, apart from a few recent games, not many text-based games have been well received, and they likely never will be, so I suggest you try doing some casual games in flash. You could look at lostgarden.com for some inspiration (and also monetizing tips).