Book of Helios Slot Review

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69% Rated

Graphics - 78%

Gameplay - 65%

Bonuses - 62%

Value - 42%

Whizz hot?

  • Top potential win of 20,168x
  • Scatter pays multipliers in Free Spins
  • High-value symbols pay from 2 of a kind
  • Expanding reels multiply multiplier wins

Whats not so hot?

  • High Variance
  • RTP below the industry norm
  • Not for high rollers

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300% Bonus To $2000 + 20 Freespins

98% Rated


US flag Players from United States accepted

Welcome bonus

320% Welcome Bonus To $3000

97% Rated


US flag Players from United States accepted


US flag Players from United States accepted

Game information


Book Of Helios











Book of Helios slot from stalwart provider Betsoft is bang on the money. As with their previous ‘Book Of’ release, the theme is mythical.

You can expect the familiar 5×3 reel set with 10 paylines carrying a lucrative jackpot of 20,168x your stake.

Don’t expect to break the bank either, as the betting starts at $0.10 and tops out at $10 per spin.

You can draw first blood in the base game when you land a combined total of 5 matching symbols on paylines.

To elaborate on this, the most lucrative symbol, Helios, pays 20x your bet when it lands in victory.

The deity Helios, better known as the Greek god of the sun, frequently portrayed driving a chariot drawn by four stallions, is the hero of this slot.

So don’t look a gift horse in the mouth by skipping past this spectacular video slot. The book of Helios slot is now available at the best Betsoft casinos online in the USA.

book of helios slot


We are a tad disappointed with the Return to Player percentage of Book Of Helios, which stands at 95.58%. However, the hit frequency of 35.03% makes up for the slight RTP discrepancy.


It comes as no shock that the 2 special symbols in this slot are the physical ‘book’ of Helios. Performing as the wild symbol, the Book substitutes pay symbols to create winning combinations.

The Book symbol is also the scatter, which just goes to show that you shouldn’t judge a book by its cover.

Low pays on the paytable are card royals from 10 to A that award top payouts of 8x for 5 of a kind. Stunning high-value characters falling on your reels are the Whip, Crossbow, Olivia, and Helios symbols.

Catch the bargain by landing only 2 of these high pay symbols to start winning combinations. Should you be so lucky, 5 identical symbols on any payline pay between 10x to 20x your bet.

book of helios slot

Book Of Helios Slot Bonus Rounds

Free Spins Feature

Surge into the Free Spins Feature when 3x scatter Book symbols fall to the reels. Keep in mind that the lines in this bonus round, play at the same bet of the spin that landed the scatters.

When the necessary scatters land, you’ll be a happy camper when receiving 10x free spins.

Expanding Symbol Feature

Now, before the free spins run. The mechanic randomly selects a special paytable symbol to participate in the round.

This special symbol can expand across the reels for more rewarding prizes. There is more on offer here because after your regular wins pay; the special symbol kicks into overdrive.

If it displays on more than 2 reels to create wins, each symbol expands vertically across the full reel.

Although the special symbol pays like normal symbols, they don’t need to land on any paylines to pay wins.

Yes, there is another steal in this feature! Should another Book symbol fall, it too expands to cover an entire reel to add multipliers.

The multipliers only calculate for a full reel, not for each symbol, to allot wins of 1x,2x,3x,4x, or 5x.

Bonus Buy Option

If time is of the essence and you want to pop into the Free Spins Feature directly? Then you need to fork out 65.5x your stake to receive the 10 free spins.

book of helios slot

Tips & Strategy Book Of Helios

Whilst playing the demo round, we noticed that the scatter symbol only lands on reels 2,3, and 4.

It is always a pleasant bonus to land only 2 premium symbols for a win during the base game.

We landed the Jack card as a special symbol at the start of the Free Spins feature and realized that we needed not 2, but 3 to activate the expanding symbols mechanic.

Don’t expect any additional free spins once you activate the Free Spins feature, irrespective of the number of scatters falling.

When a Book symbol falls during Free Spins, it replaces the special symbol and adopts the multiplier. We calculated the total prize of the wild multipliers, as they actually multiply twice.

We had 2 expanded wild reels with multipliers of 3x and 5x, which equated to 15x (3×5). This amount then multiplies by the number of reels, i.e., 2x to offer a total multiplier of 30x (15×2).

Keep in mind that when the book falls on the same reel as a special expanding symbol, the book symbol is the boss of that reel.


If you were looking for a beautiful simple slot, then your search is over. Book of Helios video slot basically offers only one feature, but it’s a biggie.

The Free Spins feature evolves into a huge bonus round, like a balloon slowly filling with helium.

Expanding special symbols cover reels to expose multipliers that multiply with each reel. Although the slot’s variance is high, and the RTP a bit lower than normal, the hit frequency is 35.3 percent.

This means that the game is far more spectacular in its mechanics than in its stats. For a top prize of 20,000x the wager, the small betting range makes this slot win a possibility for everyone.

Alkemor’s Elements is another Betsoft slot US players can play. The jackpot is 1,200x the stake. It also has a free spins feature with elemental wilds.

Finally, keep an eye on the progress bar since it converts elemental wilds into free spins.

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