Good Girl, Bad Girl vs Atlantis Thunder St Patrick's Edition
Comparing Good Girl, Bad Girl (97.79% RTP) against Atlantis Thunder St Patrick's Edition (97.73% RTP), Good Girl, Bad Girl carries a +0.06 percentage-point RTP advantage—reducing theoretical house cost by NZ$0.30 per 500 spins at a NZ$1 stake at Here2Win Casino.
Atlantis Thunder St Patrick's Edition
- RTP
- 97.73%
- Volatility
- Unpublished
- Grid
- 5×3 / 5×4 HTML5 video grid
Side-by-side technical & math comparison
| Parameter | Good Girl, Bad Girl | Atlantis Thunder St Patrick's Edition |
|---|---|---|
| Studio | Betsoft | Kalamba Games |
| Published RTP | 97.79% | 97.73% |
| House edge | 2.21% | 2.27% |
| Studio RTP rank | #1 / 206 | #3 / 216 |
| Volatility | Medium | Unpublished |
| Hit frequency | — | — |
| Reel grid | 5×3 / 5×4 HTML5 video grid | 5×3 / 5×4 HTML5 video grid |
| Pay structure | Standard studio payline / ways structure | Standard studio payline / ways structure |
| RNG testing labs | Quinel, GLI | GLI, iTech Labs |
| Studio licences | MGA, ONJN, ADM (Italy), DGOJ (Spain), Curacao | MGA, AGCO (Ontario), Spelinspektionen, ONJN |
100, 250 & 500-Spin Bankroll Projection (NZ$1 stake)
| Session volume | Total turnover | Good Girl, Bad Girl (Return / Cost) | Atlantis Thunder St Patrick's Edition (Return / Cost) |
|---|---|---|---|
| 100 spins (NZ$1) | NZ$100 | NZ$97.79 (edge NZ$2.21) | NZ$97.73 (edge NZ$2.27) |
| 250 spins (NZ$1) | NZ$250 | NZ$244.47 (edge NZ$5.52) | NZ$244.32 (edge NZ$5.67) |
| 500 spins (NZ$1) | NZ$500 | NZ$488.95 (edge NZ$11.05) | NZ$488.65 (edge NZ$11.35) |
Questions
Which has a higher RTP: Good Girl, Bad Girl or Atlantis Thunder St Patrick's Edition?
Good Girl, Bad Girl leads by +0.06 percentage points (97.79% on Good Girl, Bad Girl vs 97.73% on Atlantis Thunder St Patrick's Edition).
How does volatility differ between Good Girl, Bad Girl and Atlantis Thunder St Patrick's Edition?
Good Girl, Bad Girl runs on a Medium math profile, whereas Atlantis Thunder St Patrick's Edition is rated Unpublished.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$11.05 on Good Girl, Bad Girl compared to NZ$11.35 on Atlantis Thunder St Patrick's Edition.
Are both Good Girl, Bad Girl and Atlantis Thunder St Patrick's Edition RNG-certified and playable at Here2Win Casino?
Yes. Betsoft (Quinel, GLI) and Kalamba Games (GLI, iTech Labs) are independently audited HTML5 studios available at Here2Win Casino.