Adding more classes would make the game more fun players could try a group like ex: a ranger with 2 clerics or something and adding more classes would be awesome
there seemed to have been a rogue class back in alpha?beta? But it got removed for some reason there was a previous discussion about a 4th class http://forums.cardhunter.com/threads/4th-class.6660/ i think the reason given was it would be too hard to balance the game or something.
Rogues are still on the table, we haven't gotten around to them yet for a number of reasons. Keep hoping, & keep asking us for things, & eventually they might happen.