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Features and Themes

  • Autoplay
  • Bonus feature
  • Free spins
  • Re-spins
  • Quick spin
  • 5-Reels
  • Magic

Book of Oz

Book of Oz is an online slot from Microgaming that is based on a 5-reel, 3-row format. Players can re-spin any of the five reels for a fee. The bonus round is a free spins feature that selects a symbol that expands and pays out regardless of position. The main prize of the game is worth 5000x and it is a high volatility game with an RTP of 96.39%.

Game Information

Game provider: Microgaming
Rating: 3.98 / 5
RTP: 96.39%
Volatility: High
Reels: 5
Paylines: 10
Minimum bet: 20.00
Maximum bet: 100.00
Maximum win: x5000
Released: September 2019

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Book of Oz Review

Enter a mystical world with Microgaming's Book of Oz game. This ten-payline slot machine has significant winning possibilities, including the opportunity to earn a whopping 5000x jackpot. The Re-Spins feature is the primary bonus feature in this online slot, which you can activate as many times as necessary to obtain a winning combination. This is a truly unique and novel concept in the online slot market, and you will undoubtedly be thrilled and impressed as you spin the reels.

Theme, Graphics and Soundtrack

Book of Oz features outstanding, cinematic graphics. The reels are set against a green backdrop that appears to be the Great Hall of Emerald City. With golden embellishments, columns, and a gold-framed window, this art deco-inspired chamber is the ideal beautiful backdrop for The Wizard of Oz.

As the reels spin, moody, mysterious music plays in the background, with staccato beats and silky sound effects. The sound effects and music can be simply activated and deactivated by pressing the small menu button at the bottom left of the screen again and then the settings button.

How to Play Book of Oz

Microgaming's Book of Oz is a five-reel, ten-payline online slot. You can adjust your bet in the bottom left corner of the screen, where you'll find a variety of options. The minimum stake is 25p and the maximum is £25, which is an excellent range for high rollers and penny slot gamers alike.

The Book of Oz slot machine's RTP is 96.39 percent. It features a high level of volatility, making it ideal for high rollers and risk takers who would rather wait for bigger thrills than accept tiny payouts.

When playing the Book of Oz slot, you must land three or more matching symbols on the same payline to form winning combos. Mr Oz himself is the highest paying symbol, paying out x5000 of the line bet when he appears five times on a payline.

Free Spins & Bonuses

The free spins bonus is the primary bonus feature in Book of Oz. Three or more golden book icons will activate up to 25 free spins. Each time a special symbol appears during this round, it expands to encompass an entire reel. This feature allows for a whopping 5000x win.

At the conclusion of any base game spin, you have the option of re-spinning any of the reels for a prize. The payout for each re-spin is determined by the symbols that appear on each reel. You can re-spin each reel as many times as you desire in order to increase your chances of winning.


Book of Oz is an excellent online slot machine that is quite unlike many other Microgaming titles. It's a refreshing twist that includes unique bonus elements that are uncommon in the world of online slots. The re-spin option significantly increases the game's excitement, as it gives you a little more control over when and how you obtain winning combinations. The free spins round is quite basic, but the expanding symbols add an element of excitement to the game, which is a good touch.

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Book of Oz FAQ

What is the RTP and volatility of Book of Oz?

Book of Oz by Microgaming has a payout ratio of 96.39%. This is pretty standard in today's slot market. This game is very volatile. So, you may not get wins very often, but the wins you do get can be quite generous.

What is the biggest win in Book of Oz?

Book of Oz pays out x 5000 of the line bet. So, with a line bet of 0.01 (0.01 x 1 coin), you win 50.00. With a maximum line bet of 2.50 (0.50 x 5 coins), the maximum win is 12,500 coins.

How often does Book of Oz slot pay out?

Since the game is very volatile, it is impossible to say how often it will pay out. You may not win anything or you may do very well. Games with high volatility tend to pay out less often than games with low volatility.

Does the Book of Oz slot offer free spins?

If you get three or more bonus symbols, you can win up to 25 free spins on Book of Oz slots with expanding symbols. The symbol that expands is randomly selected at the beginning of the bonus.

How does the bonus round in Book of Oz work?

The bonus round in Book of Oz is an exciting free spins feature where 2, 3 or 4 Book of Oz scatter symbols in the base game trigger 10, 12 or 25 free spins in the feature game. During the free spins, the game randomly triggers the excellent Expanding Oz symbol feature. The Oz symbol expands to fill an entire reel.

How does the Respin feature work?

This game has a unique Respin feature that mimics the old 'Nudge' button from the Pub Fruit machines of yesteryear. You can re-spin any of the reels at any time for the bet amount shown below. The cost of the respin bet varies and changes after each spin, with a different amount shown for each reel. Respin values vary between 0.01 and 5.00, depending on the possible payout.

Can I play the Book of Oz slot for free?

You can play the Book of Oz slot demo for free right here at Gamblr. You do not have to make a deposit at an online casino to try this game.

It's a great opportunity to get to know the gameplay in the free Book of Oz demo and decide for yourself if this is the kind of slot you'd like to wager real money on. However, keep in mind that this is the demo version of the game and you will be playing for play money prizes.

Can I win real money on Book of Oz slots?

If you want to play for real money on Book of Oz slots, sign up at an online casino powered by Microgaming. Make your deposit, load the game and try your luck!