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Book of Oz Lock ‘N Spin

Book of Oz Lock 'N Spin

Slot Ranking

Graphics - 89
Gameplay - 86
Bonuses - 92
Value - 86
Game Information
Release: 25.09.2019
Software: Microgaming
Game Type: Video slot
Variance: High
Paylines: 10
Reels: 5
RTP: 96.6%
Bet Levels: 0.10 - 25
Max Win: 5,000x
Megaways: No
Multipliers: No
Free Spins: Yes

Book of Oz Lock ‘N Spin Demo

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Book of Oz Lock ’N’ Spin is a new Triple Edge Studios slot for 2019. It’s one of many online slots inspired by the classic film The Wizard of Oz, with an emerald green background and symbols based on key elements and characters from the film. Played on a three-row, five-reel grid, the slot has a total of 10 paylines you can win. The paylines run from left to right only. The slot’s RTP is a pretty good 96.6%, while its variance is high, so the wins will be on the larger side, but they won’t come around too often.

This slot is an enhanced version of the original Book of Oz slot released in 2018. It comes with improved graphics and bonus features to make it even more compelling to play. Both versions of the slot were created by Triple Edge Studios and distributed by Microgaming; therefore, you may see the slots referred to as Microgaming slots.

Symbols and Payouts

When spinning the reels of this slot, there are nine standard symbols that offer payouts whenever you land enough of them on a payline. There are five card rank symbols: the 10, J and Q symbols offer payouts worth 10x your bet for five on a payline, while the K and A symbols have 15x payouts as the reward for landing five on a payline. The other four symbols all pay out for landing two to five on a payline. There are three potion bottles: one with red liquid topped with a heart; one with purple liquid with a golden key inside; and one with blue liquid, a lion head topper and a tag with the word ‘courage’ on it. Finally, there’s the Wizard of Oz himself, who offers payouts worth 500x your bet should five appear on a payline. If you fill the screen with this particular symbol, a huge payout worth 5,000x your bet will be yours.

The spell book symbol acts as both the wild and the scatter. Land three or more of these anywhere on the reels and you’ll receive a payout, plus you’ll trigger the free spins feature.

Special Features

You’ll receive 10, 12 or 25 free spins for landing three, four or five spell book symbols respectively.  For the free spins feature, one of the slot’s standard symbols is chosen at random. This chosen symbol will expand to fill the entire reel it’s on only if winning combinations can be formed. If you’d rather have a different symbol chosen instead, take advantage of the 2nd Chance feature. This randomly selects another one of the slot’s standard symbols to expand during the free spins feature.

Then there’s the Lock ’N’ Spin feature. At the end of every spin in the base game, you can choose to lock up to four reels for the next spin. Each reel costs a different amount to lock. When you next spin the reels, only the ones that haven’t been locked will spin. This feature can help you form winning combinations and is worth considering if you’re looking to trigger the slot’s free spins round.


It’s always great when a popular slot is rereleased with a new feature. Book of Oz Lock ’N’ Spin is a great example. The newly enhanced version of this slot builds on the success of the original by introducing a new Lock ’N’ Spin feature, which gives you the chance to lock up to four reels, though at a cost. When playing this Wizard of Oz-themed slot, you’ll have to think carefully about when to lock reels and how many you want to lock. Look out for the free spins round, which can feature quite lucrative expanding symbols. Book of Oz Lock ’N’ Spin is an exciting new take on a popular slot that involves some strategy and decision-making. Will the Lock ’N’ Spin feature prove rewarding for you?