Book of the Forest vs Retro Diamond Classical
Comparing Book of the Forest (94.03% RTP) against Retro Diamond Classical (94.00% RTP), Book of the Forest carries a +0.03 percentage-point RTP advantage—reducing theoretical house cost by NZ$0.15 per 500 spins at a NZ$1 stake at Here2Win Casino.
Side-by-side technical & math comparison
| Parameter | Book of the Forest | Retro Diamond Classical |
|---|---|---|
| Studio | SpinOro | SpinOro |
| Published RTP | 94.03% | 94.00% |
| House edge | 5.97% | 6.00% |
| Studio RTP rank | #3 / 8 | #4 / 8 |
| Volatility | Medium-to-high | Unpublished |
| Hit frequency | — | — |
| Reel grid | 5×3 classic video grid | 5×3 / 5×4 HTML5 video grid |
| Pay structure | 10 paylines | Standard studio payline / ways structure |
| RNG testing labs | Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards) | Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards) |
| Studio licences | Certified RNG for regulated international casino markets | Certified RNG for regulated international casino markets |
100, 250 & 500-Spin Bankroll Projection (NZ$1 stake)
| Session volume | Total turnover | Book of the Forest (Return / Cost) | Retro Diamond Classical (Return / Cost) |
|---|---|---|---|
| 100 spins (NZ$1) | NZ$100 | NZ$94.03 (edge NZ$5.97) | NZ$94.00 (edge NZ$6.00) |
| 250 spins (NZ$1) | NZ$250 | NZ$235.07 (edge NZ$14.92) | NZ$235.00 (edge NZ$15.00) |
| 500 spins (NZ$1) | NZ$500 | NZ$470.15 (edge NZ$29.85) | NZ$470.00 (edge NZ$30.00) |
Questions
Which has a higher RTP: Book of the Forest or Retro Diamond Classical?
Book of the Forest leads by +0.03 percentage points (94.03% on Book of the Forest vs 94.00% on Retro Diamond Classical).
How does volatility differ between Book of the Forest and Retro Diamond Classical?
Book of the Forest runs on a Medium-to-high math profile, whereas Retro Diamond Classical is rated Unpublished.
What is the expected 500-spin house cost at NZ$1 per spin?
Across 500 spins at NZ$1 (NZ$500 total turnover), the theoretical house margin is NZ$29.85 on Book of the Forest compared to NZ$30.00 on Retro Diamond Classical.
Are both Book of the Forest and Retro Diamond Classical RNG-certified and playable at Here2Win Casino?
Yes. SpinOro (Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards)) and SpinOro (Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards)) are independently audited HTML5 studios available at Here2Win Casino.