HelioPOPolis

Enter an alternative reality where ancient civilisation meets scientific wonder in the innovative HelioPOPolis game from AvatarUX. Discover expanding symbols, synced reels and free spins plus the potential to hit 20,000x your bet. Our HelioPOPolis slot review will explore the payouts, bonuses and gameplay for this exciting slot.
Casinos with HelioPOPolis
- HelioPOPolis
An Introduction to HelioPOPolis
Visit the HelioPOPolis sacrosanct techno-temple and discover ancient Egyptian gods and icons in this alternative reality arena. Set on a mountainous landscape, the reels are encompassed with a mystical neon glow. Fans of AvatarUX video slots will be thrilled to see the exclusive PopWins mechanic is back once more.

Embark upon a journey of enriching discoveries with Synced Reels and Mystery Symbols. Look out for Expanding Symbols and trigger Free Spins for a chance to win 20,000x.
Betting and Layout
As with most video slots, the game starts out with a standard 5×3 layout. However, this soon changes with the PopWins mechanic. Reels can expand up to six symbols high in the main game and nine in the free spins bonus game. This offers up to 65,536 ways to win.
The HelioPOPolis volatility is rated as high, so it may take some time to hit those bigger rewards. But when you do, there’s the chance to smash a 20,000x maximum win. The HelioPOPolis RTP sits at 96.00%, which is bang on the industry average mark. Bets range from 0.20 to 100 credits.
Present on the reels are three Egyptian deities, three miscellaneous artefacts and lower value playing cards. Accompanying your spins is a mystical soundtrack which sets the mood for this futuristic slot. You will also find substituting scarab wilds, mystery symbols and pyramid scatters.
Key Information
Developer | AvatarUX |
RTP | 96.00% |
No. Reels | 5 |
No. Rows | 3 |
Volatility | High |
Min. Wager | 0.20 |
Max. Wager | 100 |
Max. Payout | 20,000x |
Our Verdict | 79% |
Gameplay and Features
Our HelioPOPolis review will explore the free spins bonus in detail a little further down the page. But let’s first take a look at the game’s other interesting features.
PopWins Mechanic
Each time you spin a winning combination, symbols will “Pop” off the reels to be replaced with two new ones. This expands the reel heights and increases the possible ways to win. In the base game rows expand to a maximum of six, but in the free spins bonus it’s nine.
Synced Reels
These can appear randomly on any spin during the free spins bonus. However, Synced Reels can also become active on every spin following a second successive Gamble. Two reels will host the same symbols increasing the opportunity for winning combinations. Huge 2×2 or 3×3 symbols may also randomly appear during the feature.
Expanding Symbols
Whenever a special symbol forms part of a winning combination, it will expand to cover the entire reel. During the free spins bonus, this can also apply to wilds.

Mystery Symbols
During the free spins bonus, mystery symbols can land in any position on the reels. It will then immediately reveal itself for the chance of creating more winning combinations.
Bonus Buy
By selecting the Bonus Buy option you can immediately enter the free spins round. You will have the opportunity to select from three gameplay modes:
- 1: Up to 7 Free Spins with Synced Reels, plus huge 2×2 and 3×3 symbols;
- 2: Up to 7 Free Spins with Expanded Symbols and guaranteed Wilds;
- 3: Up to 11 Free Spins with Synced Reels and huge 2×2 and 3×3 Symbols, plus expanded symbols and guaranteed Wilds.
Regular Symbols
As with most online slots, the lower value symbols are represented by the playing cards A, K, Q, J and 10. Mid-range paying symbols are miscellaneous artefacts including an ankh, set on an orange, turquoise and pink background. Premium symbols are ultra modern-styled ancient Egyptian deities.
Scatter Symbols
The scatter symbols do not have any payout value and have the word ‘bonus’ emblazoned across them. They are depicted as pyramids, with the top section appearing to separate from the rest like a rocket! Land three or more to trigger the free spins bonus.
Wild Symbols
Beautiful blue and gold scarabs step in for the wilds. These only appear during the free spins bonus. Scarab wilds will substitute for all other symbols to create more winning combinations.

HelioPOPolis Free Spins
Landing 3 or more Bonus Symbols on the reels will activate the HelioPOPolis free spins bonus. There are three free spins modes:
- 3 scatters: up to 7 free spins, 1280 starting ways, up to 5x starting multiplier;
- 4 scatters: up to 9 free spins, 3750 starting ways, up to 6x starting multiplier;
- 5 scatters: up to 11 free spins, 9072 starting ways, up to 7x starting multiplier.
Before entering the free spins you have the option to choose which feature you prefer from the pre-bonus screen. There are two choices:
- Synced Reels on every spin with the chance to land 2×2 or 3×3 huge symbols;
- Expanded Win Symbol with Guaranteed Wilds.
Fully unlocking the reels awards an additional 2 free spins and triggers the Synced Reels and Expanded Win Symbol features.
How to Win at HelioPOPolis
Matching symbols across adjacent reels will result in a payout, with premium symbols awarding bigger wins. Dropping three or more Bonus symbols will trigger the free spins where you get to select which mode to play.
Mystery and Expanding Symbols help to create more winning combinations, as do the 2×2 and 3×3 Symbols. There’s the potential to land a 20,000x maximum win. The best way to test out this innovative slot is by playing for free on the HelioPOPolis demo game.
Most of the top-ranked real money casinos found at the top of this page will offer the free-play demo version. These regulated casinos come highly recommended by our expert team. You will also pick up a bonus that can be used to spin the reels for free, potentially earning further rewards.

Payout Structure for HelioPOPolis
The Egyptian God Horus is top of the paytable chart awarding 4x your bet for matching five across the reels. Mid-range payouts hit a maximum of 2.5x whilst low value playing cards pay up to 0.6x the stake.
Conclusion
There are some great features to be found on the HelioPOPolis slot. Fans of AvatarUX games will already be familiar with their exclusive PopWins mechanic which allows for expanding rows and increasing ways to win.
You can also enjoy multiple free spins modes, synced reels, expanding win symbols, guaranteed wilds and mystery symbols. With a solid 96.00% RTP and the 20,000x maximum win, there’s plenty to play for on this highly volatile slot.
FAQ
Does HelioPOPolis have a free spins feature?
Yes. Land three or more Bonus Symbols to trigger the free spins bonus. You will be given a choice of three modes. These include up to 11 free spins, synced reels, colossal symbols, expanding win symbols and guaranteed wilds on every spin.
What is the HelioPOPolis volatility?
The HelioPOPolis volatility is rated as high. Therefore you may need to wait a little while in between those bigger wins.
What is the max win of HelioPOPolis?
The maximum win for HelioPOPolis is 20,000x your stake.
Can I play HelioPOPolis for free?
Yes. By registering at one of the recommended online casinos on this page you’ll have the option to play HelioPOPolis for free. This is a great way to fine-tune your gameplay and strategy.
Who makes the HelioPOPolis slot game?
Casino software providers AvatarUX are the creators behind this feature-rich slot game.
Can I play HelioPOPolis on my mobile or tablet?
Yes. The game is compatible with all major operating systems including iOS and Android. It adapts to any size screen, be it mobile or tablet, which is perfect for gaming on the go.
Which online casinos have HelioPOPolis?
Use the list of HelioPOPolis casinos to see all online casinos that have HelioPOPolis. We filter the casino top list to only show HelioPOPolis casinos that accept players from your location.
What is the Return to Player (RTP) for HelioPOPolis?
The HelioPOPolis RTP is 96.00%. An RTP of 96.00% puts HelioPOPolis among slots with an average Return to Players. To be a high RTP slot it would have to be 98% or more.