Quick information
  • Title: HelioPOPolis
  • Developer: Avatar UX
  • Reels: 5
  • Rows: 3-8
  • Paylines: 65536
  • RTP: 96.03%
  • Hit Frequency: N/A
  • Max Win: 20000x
  • Volatility: High
  • Min/Max Bet: €0.2/€100
  • Release Date: Dec 12, 2022

HelioPOPolis

Slot Review
January 16, 2023
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HelioPOPolis Slot Overview

HelioPOPolis is a new casino slot from Avatar UX using the company's highly appreciated PopWins mechanic. You might know it from games such as PiggyPOP and MonkeyPOP, where every winning symbol pops and makes room for two new ones in cascading wins. The PopWins in HelioPOPolis can expand the rows to 6 symbols high in the base game and 8 in the free spins. Helio means sun in Greek, and Polis means city, which might make you think the game takes place in Greece. However, the symbols look more like old Egyptian artifacts, so it's unclear what this ancient sun city is supposed to resemble.

A landscape with brown mountains and the reels placed in the middle.
Base game

HelioPOPolis is a video slot from Avatar UX with 5 reels and 3 rows which can expand to 6 in the base game and 8 in the free spins. Playing with the maximum number of rows gives the player 65536 ways to win, and the RTP is 96.03%. The Min.bet is 0.2, and the Max.bet is 100. HelioPOPolis has high volatility and a max win of 20000X the bet.

Around this ancient city await the features PopWins, Wild Symbol, Scatter Symbol, Mystery Symbol, Ante Bet, Base Game Unlock, Pre-Bonus Game, Free Spins, and Bonus Buy.

HelioPOPolis Slot Information

HelioPOPolis takes place most probably in ancient Egypt, although the words making up the game's title have Greek origins. There's a blue sky with white clouds on the upper part of the screen, and the lower part has some brown formations that are supposed to be mountains. When spinning the reels, you'll see a pyramid in the distance. To the left of the reels is a multiplier at the top, and beneath it is a display showing the present number of ways to win. To make a win, you need to land 3 or more symbols on adjacent reels, starting on the first reel to the left or the first reel to the right. The game is available on mobile phones and other devices.

The lower-paying symbols are 10, J, Q, K, and A. They award the same, giving the player 0.6X the bet for a 5-of-a-kind win. The medium-paying symbols are 3 artifacts in purple, green, and orange. They will give you between 1.5X and 2.5X the bet for a complete winline. The higher-paying symbols look like masks picturing a horse, a dog, and a bird. Landing 5-of-a-kind of them pays between 3X and 4X the bet. The Scatter Symbol can trigger the free spins where you can find a Mystery Symbol and a Wild Symbol substituting all symbols.

HelioPOPolis Slot Features

What is the max win in the slot HelioPOPolis?

You can win up to 20000X the bet.

What features are available in the slot HelioPOPolis?

The features are PopWins, Wild Symbol, Scatter Symbol, Mystery Symbol, Ante Bet, Base Game Unlock, Pre-Bonus Game, Free Spins, and Bonus Buy.

A blue night sky with PopWins in the free spins.
Free Spins

PopWins

Whenever you make a win, each winning symbol disappears while 2 new ones take its place. If you can make a new win, the involved symbols will also leave the reels while double as many are added. The PopWins raise the rows on a reel by 1 for every winning symbol up to 6 in the base game and 8 in the free spins. The cascading wins continue as long as you make new ones, all belonging to the same spin. The rows are reset to 3 whenever your winning streak comes to a stop in the base game. The rows don't fully reset between spins in the free spins; they go down to the present shortest reel height.

Wild Symbol

The Wild Symbol is a golden and blue scarab. It only appears in the free spins, substituting all symbols. 

Scatter Symbol

The Scatter Symbol is a pyramid with its top chopped off. Landing 3, 4, or 5 Scatters triggers the free spins with a starting setup of 4, 5, or 6 rows.

Mystery Symbol

The Mystery Symbol is a question mark only appearing in the free spins. A random number of symbols can land on each spin. After landing, all Mystery Symbols reveal the same symbol.

Ante Bet

You can double the chances of triggering the free spins by purchasing the Ante Bet for 25% of the original bet.

Base Game Unlock

Unlocking all reels 6 rows high in the base game awards 2 free spins and one of the two features Synced Reels or Expanded Win Symbols. Synchronized Reels land identical symbols for a higher chance of landing winning combinations, and Expanding Win Symbols expand to cover the entire reel when they're part of a win.

Pre-Bonus Game

Before playing the Free Spins, you get to choose one of two rewards in the Pre-Bonus game:

Synced Reels = Guaranteed synced reels on every spin with the chance of landing huge 2x2 and 3x3 symbols.

Expanded Win Symbol With Guaranteed Wilds = Any random symbol except Scatter, Wild, and Mystery Symbol can be an Expanded Win Symbol. When the symbol is part of a win, it expands to cover the entire reel.

When you've made your choice, the Pre-Bonus Game will award you the following depending on the number of triggering Scatters.

3 Scatter Symbols = 5-7 free spins and a 3X-5X starting multiplier.

4 Scatter Symbols = 7-9 free spins and a 4X-6X starting multiplier.

5 Scatter Symbols = 9-11 free spins and a 5X, 7X, or 9X starting multiplier.

Free Spins

You start the Free Spins with 4, 5, or 6 rows depending on if you triggered the feature with 3, 4, or 5 Scatters. It gives you 2048, 6250, or 15552 ways to win from the start. The reels don't reset to the starting heights between spins but to the shortest present reel height. You also have a win multiplier between 3X and 9X that increases by 1 for every PopWin. The multiplier multiplies all wins by its current number, and there's no limit to how high it can go. Fully unlocking all reels 8 rows high awards an extra 2 spins and adds +2 to the win multiplier.

The feature is over when the player runs out of spins or when the max win of 20000X the bet is reached.

A table showing the different versions of the free spins feature that the player can purchase.
Bonus Buy

Bonus Buy

When you purchase the free spins, you can choose if you want the Big Sync or Great Wilds. Paying 125X, 250X, or 500X the bet will get you the feature under the same circumstances as landing 3, 4, or 5 Scatter Symbols. You can also pay 1000X the bet for a session with both Big Sync and Great Wilds, together with the starting position of triggering the feature with 5 Scatters.

HelioPOPolis Slot Conclusion

It won't take you long to get the hang of HelioPOPolis if you're familiar to Avatar UX's PopWin games. It has the same starting setup as HipHopPop, but HelioPOPolis maximum number of 8 rows is one less than in the music-inspired game. However, this game has a couple more features, which makes the variation greater. Both games also share the possibility of creating wins from both left and right. Most casino slots demand that all wins start on the first reel to the left, and this one doubles the ways to win by allowing combinations to begin on the first reel to the right, too.

The Ante Bet is a great way to trigger the free spins more often. Most players will probably find it worth paying 25% extra of the bet for that possibility. Games from Avatar UX are generally well-built, and the gaming experience is excellent even in this. The graphics don't impress, though, and we're not overwhelmed by the Egyptian theme of this game's Greek-sounding title. The RTP of 96.03% is quite alright, and the max win of 20000X the bet is definitely on the better side.

HelioPOPolis from Avatar UX is an exciting game set in ancient Egypt, where expanding PopWins reels can award the max win of 20000X the bet.

Quick information
  • Title: HelioPOPolis
  • Developer: Avatar UX
  • Reels: 5
  • Rows: 3-8
  • Paylines: 65536
  • RTP: 96.03%
  • Hit Frequency: N/A
  • Max Win: 20000x
  • Volatility: High
  • Min/Max Bet: €0.2/€100
  • Release Date: Dec 12, 2022
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