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How to play Hainan Ice
While simulations and validation exercises had helped Kambi prepare for the traffic and operational demands of the 2026 World Cup, testing could not establish how performance would compare with the wider market once the football began.
Independent analysis by Bettormetrics found Kambi partners either led or shared the lead on measures including time to market, live uptime and bet delay. It also outperformed its B2C and B2B competitors on live uptime in World Cup markets including over/unders on total goals.
“All the testing in the world cannot tell you precisely where you stand against the rest of the market on key aspects of the product,” Lamb says. “It was very positive to see Kambi as a leader in these key metrics.”
About Hainan Ice
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 Hainan Ice?
The blurring line between financial investing and gambling has been accelerated by the rise of prediction markets—exchanges offering event contracts that are federally regulated as financial derivatives. U.S. News found that over 40% of active sports bettors now also participate in sports prediction markets.
Financial advisors continue to urge consumers to view sports wagering strictly as entertainment and to only risk funds they can afford to lose.
Research from Stanford University published in April concluded that sports bettors remain “overoptimistic,” generally expecting to break even despite losing an average of 7.5 cents on every dollar wagered.