BEST Online Slots Casinos in the UK 2026 Play 3,700+ Games

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Having a large library of slot games is one thing, but I also like to look at the quality, diversity and freshness of each slot collection. Most slots require a minimum of three matching symbols to form a win, although some pay for just two of the highest-paying symbols. Microgaming launched the safari-themed Mega Moolah progressive jackpot slot in 2006 to much acclaim. In 2015, it paid out a £13.2 million jackpot to British soldier Jonathan Heywood, from a minimum 25p stake. NetEnt was the first to break the 100k barrier with Dead or Alive 2, offering a maximum payout of 111,111x your stake. They later surpassed this with the release of Starburst XXXtreme, which offers a 200,000 max payout. Their selection also features Dream Drop progressive slots, with the gritty Wild West-themed Money Train Origins standing out as a highlight.

What used to be a set number of paylines became a shape-shifting, reel-bending mechanic with up to 117,649 ways to win. Each spin reshuffles the grid, meaning new symbol combinations and different win potential every time you tap the button. And because MrQ is built for slots, you get full feature access on any device. The bonus rounds, jackpot screens, and win animations are all right there in your browser. At MrQ, you can play slots online from the moment you log in. The entire layout is optimised for fast taps, fast spins, and fast results. In progressive jackpots, the prize pool can grow using a percentage of all qualifying wagers. A jackpot is only paid when the game’s trigger conditions are met, and the displayed value is not a prediction that it will be won during your session.

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