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 A$0.30 per 500 spins at a A$1 stake at Here2Win Casino.

Good Girl, Bad Girl

Good Girl, Bad Girl

Betsoft

RTP
97.79%
Volatility
Medium
Grid
5×3 / 5×4 HTML5 video grid
AT

Atlantis Thunder St Patrick's Edition

Kalamba Games

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Unpublished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
StudioBetsoftKalamba Games
Published RTP97.79%97.73%
House edge2.21%2.27%
Studio RTP rank#1 / 206#3 / 216
VolatilityMediumUnpublished
Hit frequency——
Reel grid5×3 / 5×4 HTML5 video grid5×3 / 5×4 HTML5 video grid
Pay structureStandard studio payline / ways structureStandard studio payline / ways structure
RNG testing labsQuinel, GLIGLI, iTech Labs
Studio licencesMGA, ONJN, ADM (Italy), DGOJ (Spain), CuracaoMGA, AGCO (Ontario), Spelinspektionen, ONJN

100, 250 & 500-Spin Bankroll Projection (A$1 stake)

Session volume Total turnover Good Girl, Bad Girl (Return / Cost) Atlantis Thunder St Patrick's Edition (Return / Cost)
100 spins (A$1) A$100 A$97.79 (edge A$2.21) A$97.73 (edge A$2.27)
250 spins (A$1) A$250 A$244.47 (edge A$5.52) A$244.32 (edge A$5.67)
500 spins (A$1) A$500 A$488.95 (edge A$11.05) A$488.65 (edge A$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Good Girl, Bad Girl runs on a Medium math profile, whereas Atlantis Thunder St Patrick's Edition is rated Unpublished.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 A$1 per spin?

Across 500 spins at A$1 (A$500 total turnover), the theoretical house margin is A$11.05 on Good Girl, Bad Girl compared to A$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.