Our rating:
Developer: AvatarUX
Release date: 13th Apr 2023
HelioPOPolis Slot - Screenshot
RTP: 96.00%
Max Payout: 20,000x stake
Volatility: High
Min Bet: 0.20
Max Bet: 100.00
Reels: 5
Paylines: 65,536
Theme: Egyptian
Jackpot: No


Alyx Tzamantanis
Reviewed by Alyx Tzamantanis Last updated:

Ancient Egypt meets modern-day slot mechanics in this new game from AvatarUX. HelioPOPolis starts out as a 5x3 slot.

But as wins land, the PopWins feature kicks in and stretches the game board into a much bigger and, potentially, more lucrative proposition. Free spins with various added features are yours for the taking and it all adds up to a max 20,000x payout for the right person.

Full review continued below ↓

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Jump straight into the action and play HelioPOPolis now at the following fully licenced UK slot sites. These slot sites have been thoroughly audited and reviewed by the team here at Slot Gods to ensure they offer an exceptional user experience, are trustworthy, safe, secure, and boast the best selection of online slots in their portfolio including HelioPOPolis...

Our Rating

“The Pharaohs would have loved PopWins!”

4.1 out of 5

Win potential

HelioPOPolis Screenshots

  • HelioPOPolis Slot - Screenshot 1
  • HelioPOPolis Slot - Screenshot 2
  • HelioPOPolis Slot - Screenshot 3
  • HelioPOPolis Slot - Screenshot 4

HelioPOPolis Features

There isn't a huge amount to report during the base game of the HelioPOPolis slot. Thank God for PopWins! The PopWins feature continues through the free spins round and helps to increase the winning potential no end. Let's take a look at what you can expect and how to trigger each of the features.


PopWins is AvatarUX’s take on the popular cascading reels or avalanche feature. But this version comes with a nice variation that you won't find on games with similar mechanics from other slot developers. Winning symbols disappear and are replaced by new ones.

But you'll also benefit from the reels expanding by an extra row wherever the winning symbols were present. The 3 rows can double in size if 3 wins are recorded consecutively.

Free Spins

Free spins can be achieved in a number of different ways. Firstly, you can watch the scatter symbols land in view during the base game. For 3 of them, you'll get up to 7 free spins with a starting multiplier value of up to x5.

4 scatters deliver up to 9 free spins with a max x6 multiplier and 5 scatters award up to 11 free spins with a potential x7 multiplier. You also begin with more ways to win when you enter the game with more scatter symbols.

The second way to grab hold of some free spins is to let the PopWins feature work its magic. If all reels reach the maximum of 6 rows high, then you will automatically get 2 free spins to enjoy.

The third method is only available in certain areas and isn't possible in the UK, unfortunately. This is the buy-in feature where you are able to purchase a ticket at the door and get straight down to the good stuff. 

Whether using the buy-in method or earning your place by landing scatter symbols, you always get 2 free spins games to choose from. They are free spins with synced reels (Big Sync feature) or extended win symbols (Great Wilds feature). It's your choice, so let's take a look at the differences between the 2 and help you decide.

Big Sync

Selecting the Big Sync option means that adjacent reels will synchronise. The result is that all symbol formations are the same on all synced reels. This creates 2x2 or 3x3 mega symbols. Naturally, these can help produce some fantastic wins.

Great Wilds

Entering the free spins round with the Great Wilds option means that any one of the winning symbols will expand across the entire row. And given that like-minded symbols only need to land on adjacent reels, you'll be adding loads more winning symbols to an already winning combo.

HelioPOPolis - Free Spins

Free Spins

Free spins are your reward for landing between 3 and 5 scatters. Up to 11 spins can be triggered as well as multipliers of up to x7. During this bonus, the Big Sync and Great Wilds features are available.

HelioPOPolis - PopWins


Winning symbols are removed from the reels and new ones step in to replace them. Where the winning symbols appear, the reels will now expand up to 6 rows high during the base game and 8 during the free spins bonus.

HelioPOPolis Review

Even with the addition of the PopWins feature, the base game of HelioPOPolis doesn't feel as exciting as some similar cascading reel games within the same niche. If the new symbols fail to make an additional win, then the reels return back to the standard 5x3 format very quickly.

And with high volatility, you can expect this to be the case most of the time. A lot of effort has gone into the free spins round by adding additional features. But to satisfy a broader range of players, it may have been better to distribute some of this additional magic throughout the entire game. Restricting wilds and multipliers to the bonus round can kill a base game in our opinion.


One of the hardest niches to enter for a slot developer is the world of Egyptian-themed slots. They've been done a million times before and some of the big-name titles are clearly dominant and have been for several years.

AvatarUX has done a fairly good job at adding interesting mechanics to the game to outshine its competitors but it does fall short on the design elements. The background is, predictably, a pyramid sitting in the desert and the soundtrack is an upbeat 80s synth sound with a vague Egyptian feel to it. Although there are some nice animated elements as the reels expand and free spin features come into play.


HelioPOPolis is a simple game that works well on mobiles and all other devices. But you will spend quite some time waiting for the free spins bonus to appear. In some areas, this can be overcome by simply buying into the feature.

And in other areas, you can increase the chances of landing scatter symbols by turning on the ante bet. This will cost an additional 25% on top of your existing wager. Personally, we found ourselves using the additional options quite frequently to keep things more interesting.

Win Potential

One area where this slot holds its own is in the win potential department. There is a massive 20,000x stake maximum payout available and this will only be found during the all-important free spins bonus.

The RTP is about right at 96% and the volatility is very high. For that reason, you won't see a lot of action during the base game and you'll need to pace yourself if you are in this for the long haul.

Our Verdict

HelioPOPolis is a decent game and despite the fact that we have torn into the design a little and the lack of base game features, there was plenty to get excited about. The free spins feature is a fun bonus packed full of variation and the PopWins mechanic certainly gives it an edge.

If you like Egyptian-themed slots and massive max payouts, then crack on and give it a whirl. This game certainly has huge potential - there's no denying that.

Live Updates

Tune in to the latest news about HelioPOPolis as it happens.

Yggdrasil release date announced

HelioPOPolis will be released on the 13th of April 2023 through the Yggdrasil programme. This means that slot players in the UK will be able to play this game at slot sites!

Release date announced by AvatarUX

As the next slot with the PopWins mechanic, HelioPOPolis is highly anticipated by players within the community! AvatarUX has announced a release date of the 12th of December 2022.

Sadly for UK players, this will not be available at slot sites until much later. Yggdrasil often releases the AvatarUX slots through the YGS Masters but we expect to see the slot released sometime in March/April 2023. As soon as we have confirmation, we will let you know!

Play HelioPOPolis at these slot sites

Jump straight into the action and play HelioPOPolis now at the following fully licenced UK slot sites. These slot sites have been thoroughly audited and reviewed by the team here at Slot Gods to ensure they offer an exceptional user experience, are trustworthy, safe, secure, and boast the best selection of online slots in their portfolio including HelioPOPolis...