Double Rainbow

What is Double Rainbow?

The deal, subject to regulatory approvals, is expected to be finalised later in 2026.

With the addition of OmniLogic, the supplier expects to “add proven technology, specialist expertise and established customer partnerships that complement our existing capabilities and strengthen our global business”. 

OpenBet describes OmniLogic as “the partner of choice for lotteries worldwide”.

About Double Rainbow

The game is backed by a solid mathematical model, with a Return to Player (RTP) of 96.01%. That figure sits within the standard band for mainstream slots. In other words, this is steady core content rather than a high-volatility outlier.

The central hook is how PopOK layers a multiplier system onto such a small grid. A fourth reel applies multipliers ranging from 1x to 15x, increasing the value of connected wins.

The more distinctive element is the Ultra Bet feature. It gives players a stake-based lever over that engine. Ultra Bet removes the lowest value from the reel to improve the chances of landing higher multipliers.

What is Double Rainbow?

Lead reporter Rebecca Liggero Fontana for taking me under her wing. You won’t meet a more generous soul than Becky. She shares this unbridled passion for the casino and tech space, that is just contagious and I’m glad I got to experience that unabashed joy for the gambling industry.

I want to thank Derek Tonin, my editor who I would speak with every day I worked at Calvinayre.com. I’m grateful for the opportunity I have had to work with Derek. He’s an editor who doesn’t shy away from the blunt criticism and its inspiring being on the other end of the call. He’s a guy you would want in the foxhole right next to you, someone who isn’t afraid to give the blunt truth and also celebrate the wins with you.

There’s a huge team of writers, video editors and IT developers who have made Calvinayre.com this huge success. Raise a glass to them, they have helped turn this site into the success that it is.