Book of Helios Slots

The Book of Helios is a 5-reel, 10-payline, and high volatility slot machine that you can play online for free. It features a 5x3 grid, wilds, scatters, and free spins round. There are also various special features such as free spins and expanded symbols.


The cinematic soundtrack adds a sense of excitement to the game and lets players visualize the climactic moments of a film. The reels spin with the help of chains, which adds a visceral element to the gameplay.

The game's graphics are inspired by the Greek alphabet. On the reels, players will encounter various stone letters that are animated in the style of the letter. They'll also find a mysterious book and a golden bow and arrow.

The game's main character, who is called Helios, appears on the reels and waves his glowing red eyes at the players. He has an intimidating and cryptic expression. A tough-looking female character will also appear on the reels and appears unafraid of supernatural forces.


The Book of Helios is a 5-reel, 10-payline, and high volatility slot machine that you can play online for free. It features a mythological theme and is arranged in a temple with stone horses.

The highest paying symbol in the Book of Helios is the titular deity, followed by the crossbow, explorer, and lasso. The other lower paying symbols are Q, A, K, and 10.

The Book of Helios' adventure starts when you choose a stake of around 0.20 to 20.00. There are 10 paylines in the 5-reel, multi-awarded grid.

The table below shows the Book of Helios' symbol payouts based on a maximum bet. These are all calculated using the game's symbols.

Big Winnings

The Book of Helios' wild symbol is the scatter, and it substitutes for all other symbols in the game. This helps form winning combinations.

When three or more books land in the reels, you'll receive 10 free spins. Expanding symbols are randomly chosen at the start of each round. If this symbol appears on more than two or three reels, they expand to cover the entire reel to complete a winning combination.

The Book of Helios' expanded symbol lands on the reels during the free spins round, and it substitutes for all other symbols. It can expand to a maximum of 1x or 5x.

If you want to play the Book of Helios without waiting for the books to fall, you can easily buy the free spins round by clicking the shopping cart and completing the payment.

RTP & Variance

The return on our bet on this game is 96%, which is right on our target of around 96%. The range of bets that we tested on the site ranged from a minimum of $/£/0.10 to a maximum of £/10.00 per spin.

The volatility of Book of Ra is high, which makes it an ideal choice for our slot machine strategies. Its high volatility ensures that our bets will be protected.

Final Thoughts

If you're a fan of classic games, then try out the Age of the Gods 4 slot machine from Playtech or the Shadows of Olympus slot machine from Spin Games.

This game is a Greek mythology-themed slot that has a decent RTP. It's a solid choice for players who are looking for a more stable and robust gaming experience.