LTC is your first consideration now and if possible, after Litecoin please take a look at Dogecoin (DOGE). It is a favorite altcoin on gambling site. Elon called it as Egod, a reversed spelling from Doge.
It makes sense to introduce support for LTC, its a solid project and
as SquirrelJulietGarden states it has all the key elements which make
it desirable, Speed and economical.
Regarding the Crypto Trading feature on the site, do you have any
more info, is it actual trading incorporated into a game? is this unique?
Something BIG is coming! Get ready to experience trading like never before with Rollbit's extremely exciting, upcoming game.