Book of Dizzy

Book of Dizzy Slot Review

A wizard’s study at dusk, all magenta stained glass, floating scrolls and a crystal ball on a shelf, with a fanged little imp in a purple cloak grinning beside the reels. Most book slots treat the base game as a corridor you walk down to reach the bonus. Book of Dizzy from Degen Studios doesn’t, because on any spin the grid can grow and a symbol can take over its reels. The maths runs at 96.10-96.16% RTP on medium volatility, a 5×3 grid reaching 5×5 with up to 20 paylines, and a 10,000x max win. Stakes run from 0.10 to 25.00.

Base Game & Features

The setting is a gothic library study at dusk: arched stained-glass windows glowing magenta over a purple sky, shelves crowded with open books, a crystal ball and a skull on a ledge. The reel set sits in a heavy carved grey stone frame with gothic tracery arching above it.

It’s bright, cartoonish neon with thick black outlines, and the little imp to the right of the reels keeps things charmingly odd rather than genuinely spooky. The look is immersive, and the theme carries the whole session.

As a base game, it’s engaging, certainly by book-slot standards. Two things can trigger at random on any spin, and knowing they can fire at any moment keeps the dead stretches shorter than they’d otherwise feel.

It does play a little flat at times when nothing triggers. The anticipation carries it.

Expanding Symbols

On any base game spin, a random symbol may be selected as the Expanding Symbol. When that happens, every instance of the chosen symbol expands to cover its entire reel. Wins can still count even when expanded reels are separated by non-expanded ones.

A full screen of a premium symbol is where the base game’s real potential sits. Both random modifiers firing together on a good symbol is the base game at its best.

Expanding Reels

The second random modifier grows the grid itself. The standard 5×3 layout can expand to 5×4 or 5×5, with the extra rows added before the reels stop. It can trigger on the same spin as the Expanding Symbols.

Paylines and the Wild Scatter

Paylines run from 10 on the standard 5×3 layout up to 20 fixed paylines at the full 5×5 height, with 15 on the 5×4 layout. The Wild Scatter does double duty: it substitutes for other symbols in the base game, and 3 or more of it trigger the Free Spins bonus.

Book of Dizzy Free Spins & Bonus Features

Landing 3, 4 or 5 Wild Scatters awards one of 3 Free Spins tiers, each giving 10 free spins with retrigger potential. Each step up adds enhancements the previous tier didn’t have.

• Open The Book (3 scatters): one Expanding Symbol is selected and stays active throughout the bonus.
• Turn The Page (4 scatters): adds symbol removal and plays on a 5×4 layout with 15 paylines.
• Master Spellbook (5 scatters): adds a second Expanding Symbol, the H1 premium, and plays on a 5×5 layout with 20 paylines.

Turn The Page’s extra expanding symbol, the removed low symbol and the bigger starting grid all add visible potential over the base tier. During any bonus, 3 Wild Scatters landing on reels 1, 3 and 5 retrigger +5 free spins and add one more Expanding Symbol.

The Pre-Bonus Gamble

Before free spins begin, you can gamble on 3 enhancements, individually and in any order:

• Reel Height Gamble: a taller starting grid.
• Remove Low Symbols Gamble: low symbols stripped from the reels.
• Higher Expanding Symbol Gamble: a better symbol chosen for expansion.

A successful gamble applies the enhancement. An unsuccessful one forfeits the entire Free Spins bonus, which is the all-or-nothing point of the exercise. Collect at any point and you keep whatever enhancements are already locked in.

It’s a tense few seconds, and going one gamble too far stings, but that is what a gamble is for. Having 3 separate features to chase in a book game is refreshing, and it gives scope to anyone who likes pushing their limits.

Bonus Buys and Activates

There are 3 buy options and 2 paid activates:

• Open The Book: 75x bet.
• Turn The Page: 150x bet.
• Mystery Buy: 300x bet, awarding a random tier from Open The Book up to Master Spellbook.
• Bonus Boost: 3x bet, increasing the free spins trigger chance by over 5x.
• Dizzy’s Spin: 100x bet, starting the spin on a 5×5 layout with 2 Expanding Symbols and 1 symbol removed.

Open The Book at 75x is a reasonable price. Turn The Page doubles the cost for the 4-scatter version, and that progression feels fair.

The Mystery Buy is the risky one: at 300x you can still land the cheapest tier, so it’s really a chase for Master Spellbook and nothing else. Bonus Boost at 3x delivers a noticeable jump in scatter frequency, which is what you’d expect from this style of ante bet.

Dizzy’s Spin is the curiosity. At 100x it costs more than buying the Open The Book bonus outright, but you start every spin on the maximum reel set with 2 expanding symbols and a symbol removed. It’s an exciting buy, though the balance takes the hit quickly if the expansions don’t come.

Our Honest Verdict

Playing Book of Dizzy is like being let loose in a cluttered magical study where something might fire at any second. That’s the reason to pick it: the base game actually deserves your attention rather than just your patience, which is rare in a genre built on waiting rooms.

Its strength is the three-tier bonus with the gamble in front of it. Because each enhancement is a separate choice with the whole round on the line, every trigger arrives with a decision, and that’s something book slots almost never give you.

The weakness is that underneath all of it, the bones are familiar. Strip away the imp, the stained glass and the growing grid and you’re still playing scatter-pays-for-spins with expanding symbols, and players with a shelf of book games will feel that. It suits book-slot fans who want the formula with some genuine depth in front of and behind the bonus, more than anyone chasing something wholly new.

Book of Dizzy FAQs

• What is the RTP of Book of Dizzy?

  Book of Dizzy runs at an RTP of 96.10% to 96.16%, depending on configuration. That sits comfortably around the industry average for an online slot.
• How volatile is Book of Dizzy?

  Book of Dizzy is a medium volatility slot, sitting in the middle of the scale. Sessions tend to balance frequent smaller wins with the possibility of larger payouts from the expanding symbols.
• What is the maximum win in Book of Dizzy?

  The maximum win in Book of Dizzy is 10,000x your bet. The best route there is a full grid of expanded premium symbols during the higher free spins tiers.
• How do you trigger free spins in Book of Dizzy?

  Landing 3, 4 or 5 Wild Scatter symbols triggers the free spins bonus. 3 scatters award Open The Book, 4 award Turn The Page, and 5 award Master Spellbook, the top tier. Each tier gives 10 free spins.
• Can free spins retrigger in Book of Dizzy?

  Yes. Landing 3 Wild Scatters on reels 1, 3 and 5 during the bonus awards 5 additional free spins and one extra Expanding Symbol, on top of whatever the round already has.
• What does the pre-bonus gamble do?

  Before free spins begin you can gamble on 3 enhancements: reel height, removing low symbols, and a higher expanding symbol. A successful gamble applies the enhancement, but an unsuccessful one forfeits the entire bonus. Collecting early keeps whatever enhancements you have already won.
• How much do the bonus buys cost in Book of Dizzy?

  Open The Book costs 75x bet, Turn The Page costs 150x bet, and the Mystery Buy, which awards a random tier, costs 300x bet. Bonus Boost costs 3x bet and Dizzy’s Spin costs 100x bet.
• What is the bet range in Book of Dizzy?

  Bets start at 0.10 and reach 25.00 per spin. The bonus buy options are priced as multiples of your current stake.