Signature campaign is good for gaining trust but adding more promotions and rewarding customers is a must since it's what attracts gamblers the most and incentivize them to join new casinos.
Not really we have one casino here with 2 signature campaigns but the community did not trust them, the marketing campaign is very good you are competing for a share of a huge market and you want people to have recall in your brand if Owl.games will offer bonuses, giveaways, and promotions and it is showing in the signature people will be interested to join or take the bonus or participate in their contest.