Soon we will add new interesting games)
What you mean be more professional looking ?) Maybe some new function in casino or something else ?
I would suggest looking at
https://rocket.run and their RocketRun game which was something new some time ago and people like to play these kinds of games.
What I meant by more professional looking was that your casino still needs a lot of work and changes to look better. I don't know how to explain better but at the first look when I opened your casino I knew that this is not a professional service with a lot of experience only something really new which just started the journey with casino software.
If I can suggest something then you should do all you can to bring the user experience in your casino to the highest level. Another problem is to establish trust, to convince people, to deposit of course. What you are actually doing is the best way to achieve this with the help of promotion, bonuses, etc. but would it be enough? I don't know, there are so many casinos with already established trust and many players, so you have to figure something really original to take it to the next level.
As I said already, take a look at
https://rocket.run because they started just a couple of months ago and only with 2 games RocketRun and Dice. They started a big promotion here on Bitcointalk and today there are 7 games and many players each day. They started slow but focused on user experience, only with 2 games but one of them RocketRun was very original, good looking and really great to play. No problems with connections or smooth play and very good and responsive support. I think this is a great example of success.