Keeping players loyal takes a combination of good game selection, excellent game-play, outstanding support and above all: great value.
AllSlots has just about every aspect covered, and for the value angle, they have a loyalty system in place.

For every real money wager that you make at their tables, AllSlots Casino offer you loyalty points. As a matter of fact, for every 10 credits that you wager (regardless of whether you win or lose on them), you get 1 Loyalty Point. These points can later be exchanged for cash.
You do not earn such loyalty points on Roulette and Craps, because these games feature close to 50-50 bets and an extremely small house edge. All the other games are loyalty point generators though.

For every 1,000 loyalty points, you’ll get a 10 credit cash equivalent. You can check out your loyalty points balance at AllSlot’s website, simply by logging in with your player ID. You can also use the Casino software main lobby for this purpose. You’ll also be able to turn these points into cash any time you want to.
The system rewards high volume players, so the more you play, the more loyalty points you’ll earn and thus the more cashack you’ll be entitled to claim.