Top 10 most popular online slot games at Mr Green

Here at Mr Green we have a wide range of fantastic online slot games for players to enjoy. From classic slots like Rainbow Riches, to the feature-filled Immortal Romance, there’s sure to be a game to suit you.
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The slots all vary in themes, mechanics and symbols with no two the same. We’ve got you covered whether you’re a casino veteran or have just started playing slots. All are easy to use and offer different experiences.
So, read on for our guide to the most-popular slots at Mr Green.
1. Rainbow Riches
This popular slot had humble beginnings, entertaining punters in arcades across the UK. It is a five row, three reel and 20 payline slot with three fun-filled bonus rounds: Road to Riches, Pots of Gold and Wishing Well. Head to the Emerald Isle and see what lies at the end of the rainbow.
2. Book of Dead
If adventure is what you seek, then Book of Dead slot might be for you. Join explorer Rich Wilde on his search for lost treasure in this action-packed slot.
This 5×3 reel slots is based around Egyptian mythology. Look out for three scatters to trigger the free spin feature, which comes with a special expanding symbol for the chance to uncover a big win. The gamble feature will appear anytime you get a combination and will offer you a chance to double what you’ve won, or bank it all.
3. Book of Ra
Similar to Book of Dead, Book of Ra takes place in ancient Egypt. Once again, there are free spins which come with a special expanding symbol and can be triggered by landing three or more scatters. This 5×3 reel slot features nine paylines, as well as a gamble feature.
4. Cleopatra
Cleopatra is one of the most popular, and well-known slots. It’s based around ancient Egypt – a popular theme when it comes to slots! This is a 3×5 reel slot and comes with 20 paylines. If you land three or more scatter symbols, you’ll trigger free spins, which come with a 3x multiplier! Ready to set sail down the Nile?
5. Mega Moolah
Mega Moolah is a five-reel, 25 payline game that is themed on the stunning African wildlife. Its main feature is free spins, which again come with a 3x multiplier. What’s more, Mega Moolah is officially listed by Guinness World Records for the largest jackpot payout in an online slot machine game. Learn more about jackpot slots here.
6. Starburst Slot
Starburst is one of the most-popular slots in the Mr Green library. Spin the reels and match symbols to achieve combos from left to right. Look out for the Starburst Wild, which expands to fill the reels, before awarding respins. Ready to head off on an intergalactic adventure?
7. Immortal Romance
Immortal Romance is a fan favourite with a great story. It focuses on four main characters and has a vampire theme.
There are 243 ways to win, as well as four different bonus rounds, which can be triggered by scatter symbols. Plus, the Wild Desire feature can trigger randomly at any time and can turn entire reels wild!
8. Jack and the Beanstalk
This popular slot is based on the classic tale. It’s packed with a range of exciting features including free spins, walking wilds and wild respins. Plus, there’s the chance to land a whopping 3,000x your stake. Join Jack, as he braves the giant on his quest for riches.
9. Dead or Alive
Head to the Wild West in the 5×3 reels, nine payline, Dead or Alive. Look out for three or more scatters to trigger free spins, which come with a 2x multiplier and sticky wilds, giving you even more chances to land a rootin’ tootin’ reward. The sheriffs’ badge is the highest paying symbol and could see you win up to 100x your stake. Ready to saddle up in this action-packed slot?
10. Big Bad Wolf
Big Bad Wolf slot uses the unique swooping symbol mechanic, where any winning symbols are replaced by new ones, giving you multiple chances to win. Like many of the other slots mentioned, there are free spins too. Plus, there’s the exciting Blowing Down the House feature, which could see you awarded with extra free spins and multipliers when you collect moon symbols.