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Book of Oz








Book of Oz Slot Review NZ | 96.5% RTP | 5,000x Max Win | Platinum Play


📖 Book of Oz · 96.5% RTP · 5,000× Max Win · Expanding Symbol Free Spins  Play at Platinum Play →

Platinum Play NZ›Slots›Video Slots

Book
of Oz

by ReelPlay / Triple Edge Studios

Released 2019

★★★★★

Inspired by L. Frank Baum’s classic tale, Book of Oz is a high-volatility video slot built around a single powerful mechanic: an expanding special symbol in free spins. Land a full-reel expansion on a paying combination and you’re looking at up to 5,000× your bet.

RTP96.5%
VolatilityHigh
Win FrequencyMedium
Max Win Potential5,000×

18+ | NZ Players | T&Cs Apply | Gamble Responsibly

📖
The Book is Open
Special Symbol Revealed

96.5%
RTP

High
Volatility

5,000×
Max Win

10
Paylines

NZ$0.10
Min Bet

NZ$100
Max Bet

How the Expanding Symbol Works

Normal spin — 5 reels × 3 rows
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⚡
🦁
📖
💧
🌈
📖
⚡
🔮
📖
💎
🦁
📖
🌈
💧

In Free Spins — Book expands to fill entire reel
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⚡
📖
🔮
💧
📖
🌈
📖
🦁
💎
📖
⚡
📖
🌈
🔮

Reels 1 & 3 fully expanded = win on all paylines
Massive Win Triggered!

Core Mechanic

The Expanding Symbol
— Everything You Need to Know

Book of Oz is built entirely around one mechanic. When free spins trigger, the game randomly selects one symbol from the paytable as the “Special Symbol.” During every free spin, that symbol expands to fill the entire reel if it appears — essentially creating a new wild for that spin.

1
Land 3+ Book Scatters
The Book symbol is both the Wild and the Scatter. 3 anywhere = 10 free spins triggered.

2
Special Symbol is Randomly Chosen
One symbol from the paytable is selected at random before free spins begin. This is your key to the jackpot.

3
Symbol Expands to Fill Reels
When the Special Symbol lands anywhere on a reel, it instantly expands to cover all 3 rows. Pay is then calculated with the full reel as one symbol.

💰
Best Case: All 5 Reels Expand
If the Special Symbol lands on all 5 reels and the highest-value symbol is chosen — that’s the 5,000× maximum win on a single free spin.

Why the Special Symbol Matters
High-value symbol selectedMax win potential: 5,000×
Mid-value symbol selectedModerate win potential
Low-value symbol selectedSmaller wins possible

The random selection means every free spin trigger is a new event. You can’t influence which symbol is chosen — but a high-value reveal immediately tells you whether this is a big-win spin round.

Paytable

Symbol Guide & Win Values

📖
Book of Oz — Wild & Scatter
Special Symbol in Free Spins · Substitutes for all symbols · Triggers bonus

3+ = Free Spins · 5× pays 200× bet

🦁
Cowardly Lion — Top Premium
Highest paying regular symbol

3× = 50×
4× = 200×
5× = 500×

🌈
Rainbow — 2nd Premium
Dorothy’s path over the rainbow

3× = 40×
4× = 150×
5× = 400×

💧
Tin Man — 3rd Premium
The Tin Man character symbol

3× = 30×
4× = 100×
5× = 300×

🔮
Crystal Ball — 4th Premium
The Wizard’s crystal ball

3× = 20×
4× = 75×
5× = 200×

🃏
A · K · Q · J · 10
Stylised card value symbols

3× = 2×–10× · 4× = 10×–40× · 5× = 25×–100×

How 10 Paylines Work

Book of Oz uses 10 fixed paylines on a 5×3 grid. Unlike 243-ways slots, wins only pay when matching symbols land on one of these specific lines from left to right. However, in free spins, the expanding Special Symbol effectively covers entire reels — making payline configuration less critical since full-reel expansions pay on every line that reel contributes to.

The Main Event

Free Spins Feature
— Complete Breakdown

🎯

How to Trigger

Land 3, 4, or 5 Book of Oz symbols anywhere on the reels during the base game. The Book is both Wild and Scatter, meaning it can contribute to base game wins while simultaneously triggering free spins.

3 Books anywhere10 Free Spins
4 Books anywhere10 Free Spins + bonus
5 Books anywhere10 Free Spins + max bonus

🎲

Special Symbol Selection

Immediately before free spins begin, the game opens and one symbol is revealed as the Special Expanding Symbol. This random selection determines your win potential for the entire 10-spin round.

The higher-value the symbol revealed, the bigger the potential win. A Lion reveal is best case — a card symbol reveal means the round is less lucrative but can still produce decent wins if it expands on multiple reels.

🔄

Retrigger

Landing 3+ Book symbols during the free spins round retriggeres the feature, adding another 10 free spins to your total. Retriggering is possible on every spin, allowing a single free spins session to grow to 50+ spins in theory.

Importantly, the Special Symbol remains the same after a retrigger — it does not change. This can be a blessing (if a high-value symbol was chosen) or a minor disappointment (if a low-value symbol was revealed).

📊 Win Scenarios — What Can Actually Happen
😐
Low Reveal + No Expansion
Card symbol selected, lands rarely. 10 spins of mostly small base wins. Common outcome in a high-variance slot — accept it and move on.

🙂
Mid Reveal + 2–3 Reel Expansions
Rainbow or Tin Man chosen. Expands on 2–3 reels across 3–4 spins. Returns 20–100× total. A decent outcome on a balanced session.

😄
High Reveal + Multi-Reel Expansion
Lion chosen. Expands on 3–4 reels in a single spin. One spin alone pays 200–1,000×. Retrigger adds more. Returns 200–1,000× for the session.

🤯
Lion + All 5 Reels Expand
Maximum scenario. Lion selected, lands on all 5 reels and fully expands. A single spin returns 5,000×. On a NZ$1 bet that’s NZ$5,000. Rare — but this is exactly what the game was designed to deliver.

Smart Play

Betting Strategy for
Book of Oz NZ

💵
Low Variance Approach
NZ$0.10–$0.50 per spin

Minimum bets extend your session significantly. With 10 fixed paylines at NZ$0.10, you get long play time. The key advantage: you’ll trigger free spins frequently enough to learn the mechanic, and a 5,000× hit on NZ$0.10 still returns NZ$500. Good for players using Welcome Bonus funds.

Session budget: NZ$20–50 · Expected triggers per session: 3–8

⚖️
Optimal Stakes
NZ$0.50–$5.00 per spin

The best balance for experienced NZ players. Mid-stakes mean a Lion expansion pays meaningfully — NZ$2,500 on a NZ$0.50 bet. The free spins trigger frequency remains manageable, and a good session with retriggering can produce life-changing wins at this level.

Session budget: NZ$100–300 · Ideal for: Regular NZ players

🎯
Max Win Hunt
NZ$10–$100 per spin

High-roller approach targeting the absolute maximum. At NZ$100 per spin, the 5,000× max win equals NZ$500,000. However, the base game consumes budget rapidly before free spins trigger. Requires a very large bankroll and strong psychological tolerance for variance.

Session budget: NZ$1,000+ · For experienced high-rollers only

Essential Tips — Book of Oz NZ
→Free spins are everything — the base game is low-excitement by design
→A low-value Special Symbol doesn’t mean a bad session — quantity of expansions still matters
→Play demo mode to understand the expansion mechanic before betting real NZD
→Set a trigger goal — commit to a set number of free spin triggers before stopping
→Welcome Bonus funds work perfectly here — 100% wagering contribution from slots
→Don’t increase bets mid-session after losses — consistent bets suit this volatile game

Comparison

Book of Oz vs
Similar Expanding Symbol Slots

SlotRTPVolatilityMax WinFree SpinsVerdict
📖 Book of Oz96.5%High5,000×10 + retriggerBest RTP in class
📗 Book of Dead96.21%High5,000×10 + retriggerSimilar mechanic, lower RTP
☀️ Book of Ra92.13%Med-HighN/A10 + retriggerMuch lower RTP — avoid
🧛 Immortal Romance96.86%High12,150×4 chambers (10–25)Higher RTP & max win
🎰 Rich Wilde Book96.53%High5,000×10 + retriggerNear-identical, slightly lower
Bottom Line: Book of Oz leads the “Book” genre on RTP at 96.5% — better than Book of Dead (96.21%) and significantly better than Book of Ra (92.13%). If you enjoy the expanding-symbol mechanic, Book of Oz is the most player-friendly version available to NZ players at Platinum Play. For those who want more bonus variety, Immortal Romance offers four distinct chambers and a higher max win.

Book of Oz FAQ
for NZ Players

What is the RTP of Book of Oz?

✓

Book of Oz has a certified RTP of 96.5%, which is above the online slot average of 95–96%. This makes it one of the best-value “Book” mechanic slots available, outperforming the popular Book of Dead (96.21%) and the much older Book of Ra (92.13%). The RTP is audited monthly by eCOGRA at Platinum Play Casino.

What is the maximum win on Book of Oz?

✓

The maximum win is 5,000× your total bet. This occurs when the highest-paying symbol (Cowardly Lion) is revealed as the Special Symbol during free spins, and it expands to cover all 5 reels simultaneously, paying across all 10 paylines. On a NZ$1 bet, this equals NZ$5,000. On the NZ$100 maximum bet, it equals NZ$500,000.

How does the expanding symbol work in free spins?

✓

Before free spins begin, the game randomly selects one symbol as the “Special Symbol.” On every free spin, if this symbol lands on any reel in any row, it expands to cover all 3 rows of that reel. The game then pays using the fully-expanded reel as a single matching position across all 10 paylines. Multiple reels can expand on the same spin.

Can I retrigger free spins in Book of Oz?

✓

Yes — landing 3 or more Book of Oz scatter symbols during the free spins round awards an additional 10 free spins. The Special Expanding Symbol stays the same after a retrigger — it does not change to a new random symbol. Retriggering is theoretically unlimited, though it becomes increasingly rare in extended runs. A retriggered session with a high-value Special Symbol is the golden scenario for NZ players.

Is Book of Oz better than Book of Dead?

✓

From a pure numbers perspective, yes — Book of Oz (96.5% RTP) outperforms Book of Dead (96.21% RTP) while offering the same 5,000× maximum win and identical free spins mechanic. The same 10 paylines, same expanding symbol, same retrigger possibility. Book of Oz also offers a lower minimum bet (NZ$0.10 vs NZ$0.01) making it more accessible to NZ players on tighter budgets.

📖

Open the Book.
Reveal Your Symbol.

Play Book of Oz at Platinum Play Casino NZ. 96.5% RTP · 5,000× max win · 10 paylines · Expanding symbol free spins. Claim your NZ$800 Welcome Bonus today.

Play Book of Oz →
Claim NZ$800 Bonus

18+ | New Zealand Players | Gamble Responsibly | T&Cs Apply | Problem Gambling Foundation NZ: 0800 664 262


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