Last Updated on January 27, 2025
I’m sure that most pokie players will have come across Microgaming designed slots online before. They’ve been in business for over 25 years and have launched literally hundreds of slots, though have now rebranded to Apricot. As is always the case, some of their slots are much more popular than others. This guide will be looking at which ones they are and we’ll also give you a rundown of their max win potential and their RTPs.
| Rank | Slot Name | Theme | Release Date | Max RTP | Max Win |
|---|---|---|---|---|---|
| 1 | Mega Moolah | Safari/Progressive | 2006 | 88.12% | Progressive Jackpot |
| 2 | Immortal Romance | Vampire/Romance | 2011 | 96.86% | 12,150x |
| 3 | Thunderstruck II | Norse Mythology | 2010 | 96.65% | 8,000x |
| 4 | Book of Oz | Fantasy/Magic | 2018 | 96.31% | 5,000x |
| 5 | Avalon II | Arthurian Legend | 2014 | 96.50% | 16,200x |
| 6 | Jurassic World | Movie/Adventure | 2017 | 95.45% | 14,000x |
| 7 | Game of Thrones | Fantasy/TV Series | 2014 | 95.00% | 20,250x |
| 8 | Thunderstruck Wild Lightning | Norse Mythology | 2021 | 96.10% | 15,000x |
| 9 | 9 Masks of Fire | Tribal/Fire | 2019 | 96.24% | 2,000x |
| 10 | Break da Bank Again | Banking/Heist | 2008 | 95.43% | 4,375x |
1. Mega Moolah
The lions still roar the same way they did back in ’06, and I still jump every time. Spent more hours than I care to count chasing that legendary progressive jackpot (88.12% RTP, but who’s counting when you’re dreaming of millions). Watched a stream last week where someone hit the Mega – £19.4 million on a £3 spin. Mad, maybe I am, maybe it was just a dream. The basic game might not pay much, but those four jackpot tiers keep you glued to your screen at 3 AM, convincing yourself that the next spin might be the one.
2. Immortal Romance
Been playing this vampire saga since 2011, and the gothic soundtrack still gives me chills. The 96.86% RTP feels generous, especially during those late-night Chamber of Spins sessions where the multipliers can stack up to a 12,150x max win. Lost track of time last weekend unlocking Michael’s story for the hundredth time – something about those rolling reels and wild vine features just pulls you in. My coffee went cold three times, but I couldn’t tear myself away.
3. Thunderstruck II
Thor’s been good to me since 2010. The Great Hall of Spins feels like home now (96.65% RTP and 8,000x max win potential if the gods favor you). Had my biggest win during a Wildstorm feature at 4 AM – all five reels went wild, and I nearly woke the whole house celebrating. The different free spins modes keep things fresh, though I still think Odin’s chamber hits the sweetest spot for consistent wins.
4. Book of Oz
That respin feature’s eaten more of my bankroll than I’d like to admit since 2018, I really just can’t resist it, it’s chasing that endorphin hit which keeps me pressing. The 96.31% RTP sounds nice, and that 5,000x max win looks tempting on paper, but chasing perfect combinations one reel at a time gets expensive fast. Still, nothing beats the rush when those book symbols line up just right and the expanding symbols start doing their dance. Spent my entire Friday night budget trying to land the wizard on all positions – came close, but the emerald city remains just out of reach.
5. Avalon II
The quest for the grail never gets old, even after all these years. Since 2014, I’ve probably spent enough chasing that 16,200x max win to buy an actual medieval castle (96.50% RTP helps ease the pain, somewhat). The Lake of Legend bonus still gets my heart racing – rolled triple sixes last night during the sword forging and nearly knocked my drink over. Pure magic. Those multi-level bonuses can keep you up until dawn if you’re not careful.
6. Jurassic World
Never thought I’d get scared by a slot game until that T-Rex wild feature triggered at midnight. The 95.45% RTP might seem low, but that 14,000x max win makes up for it. Spent three hours in Raptor Den last night, watching those wilds stack up – closest I’ve come to that max win yet. The rolling reels in Gyrosphere Valley can be brutal on your balance, though the multiplier trail makes every near-miss feel like the next spin could be the big one.
7. Game of Thrones
The first time i ever played this slot I was doing the minimum value spins and hit a 2,000x win, which at the time really had me buzzing, probably one of my most memorable slots experiences as I really didn’t see it coming. The music of Game of Thrones doesn’t make me think of the TV show anymore, it takes me back to that 2,000x win on a hot summer night, when winter certainly wasn’t coming or anywhere near, unlike now where the heating is blazing away, I’m freezing and the rain is pouring misery into my veins.
8. Thunderstruck Wild Lightning
Thor’s latest outing packs a proper punch. Since 2021, this 96.10% RTP beast has been hammering my wallet, but those 15,000x win possibilities keep me coming back. Triggered the Link & Win feature three times in one session last week – thought I was on track for one of those fixed jackpots, but the lightning had other plans. The wild multipliers can stack up quick, mind you, if you’ve got the patience (and bankroll) to weather the storm.
9. 9 Masks of Fire
Simple doesn’t mean boring – learned that lesson in 2019 with this one. The 96.24% RTP keeps things ticking along, and that 2,000x max win feels achievable, unlike some of these other slots with their sky-high potential. Landed seven masks during a free spins round with a 3x multiplier last night, nearly fell off my chair. The shield scatters might be stingy with appearances, but when they show up with a decent multiplier on the wheel, magic happens.
10. Break da Bank Again
Been robbing this bank since ’08, and it still puts up a fight. The 95.43% RTP might look stingy, but those 5x multipliers during free spins can turn your balance around quick – had a 25x multiplier hit with a wild last month that paid for my entire week’s groceries. The 4,375x max win seems modest these days, but there’s something about those vault symbols that keeps you spinning just one more time. Clean design, no fancy bells and whistles, just pure potential for profit.
📍 Microgaming Slots RTP Guide
Player Tips:
Tip: Most reputable casinos display their RTP settings clearly in the game information section |
David is a veteran slots player with over 15 years of playing experience in both online and land based casinos. He knows exactly what makes for a good online casino and is always keen to share his expertise with other players.