
Here2Win Casino · Octavian Gaming · New Zealand
Thunder Gems for New Zealand, Fern Spins
Kiwi players can open the session page for Thunder Gems pokie apart from this catalogue.
Across New Zealand, Fern Spins is the catalogue page for Thunder Gems. Here2Win Casino is where the pokie runs. A missing return figure stays missing.
Thunder Gems vs Octavian Gaming average & peer pokie comparison
Compared against direct studio and mechanic peers, Thunder Gems (studio benchmark) benchmarks directly against Curse of the Dead (96.00%, Octavian Gaming) across its 5×3 / 5×4 HTML5 video grid layout at Here2Win Casino (here2win.co.nz).
| Title & spec anchor | Studio | Published RTP | Delta vs Thunder Gems | Volatility | Grid |
|---|---|---|---|---|---|
| Thunder Gems (this card) | Octavian Gaming | — | — | — | 5×3 / 5×4 HTML5 video grid |
| Curse of the Dead 96.00% RTP medium pokie · Highest RTP in Octavian Gaming vs Thunder Gems | Octavian Gaming | 96.00% | — | medium | 5×3 / 5×4 HTML5 video grid |
| Crazy Rich Coins 95.02% RTP medium-to-high pokie · Higher-volatility studio alternative vs Thunder Gems | Octavian Gaming | 95.02% | — | medium-to-high | 5×3 / 5×4 HTML5 video grid |
- Alongside Thunder Gems (studio benchmark), review the Curse of the Dead 96.00% Octavian Gaming pokie card available at Here2Win Casino.
- Alongside Thunder Gems (studio benchmark), review the Crazy Rich Coins 95.02% Octavian Gaming pokie card available at Here2Win Casino.
- Benchmark any two releases in the head-to-head pokie RTP and volatility comparator or run the NZ$ session bankroll and stake calculator.
At Here2Win Casino
Thunder Gems is a Octavian Gaming pokie at Here2Win Casino for New Zealand. Fern Spins records the figures. The game opens at Here2Win Casino, stake in NZ$.
Published figures & technical specs
- Studio
- Octavian Gaming (78 in this catalogue)
- Studio average RTP
- 95.20% (across 10 titles)
- Reel grid
- 5×3 / 5×4 HTML5 video grid
- Pay structure
- Standard studio payline / ways structure
- RNG testing labs
- Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards)
- Studio licences
- Certified RNG for regulated international casino markets
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- NZ$
- Card updated
- 2026-11-04
Thunder Gems RTP (studio benchmark), house edge & 500-spin session math
Thunder Gems by Octavian Gaming benchmarks against the verified 95.20% studio average RTP (4.80% house margin across 10 titles) and suits a 150x–200x stake buffer in NZ$ at Here2Win Casino (here2win.co.nz).
Thunder Gems does not carry a standalone RTP on its source sheet, so Fern Spins cites the verified studio distribution instead of guessing. The pokie runs on a 5×3 / 5×4 HTML5 video grid layout, and its variance profile fits a 150x–200x unit-stake reserve when playing Thunder Gems in NZ$ at Here2Win Casino (here2win.co.nz).
| Session volume & entity | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins on Thunder Gems (NZ$1/spin @ 95.20% RTP) | NZ$100 | NZ$95.20 | NZ$4.80 | ~27–33 |
| 250 spins on Thunder Gems (NZ$1/spin @ 95.20% RTP) | NZ$250 | NZ$238.00 | NZ$12.00 | ~68–83 |
| 500 spins on Thunder Gems (NZ$1/spin @ 95.20% RTP) | NZ$500 | NZ$476.00 | NZ$24.00 | ~135–165 |
Pros and cons
Pros
- Octavian Gaming is the studio on the card.
- The stake for Kiwi players is in NZ$.
- The provider page is the rest of the studio.
Cons
- Fern Spins does not hold NZ$ and does not pay winners.
- If Here2Win Casino has an offer, its terms are shown there.
- A neighbour title's RTP is not copied across.
- Volatility was not on the source card.
Studio
If the only question was who built Thunder Gems, the answer is Octavian Gaming. Fern Spins does not localise the studio name.
Sahara is filed under Octavian Gaming alongside this one.
Thunder Gems technical specs, Octavian Gaming RNG audit & myth-busting rules
Thunder Gems is engineered by Octavian Gaming on a 5×3 / 5×4 HTML5 video grid (Standard studio payline / ways structure) architecture with independent RNG certification from Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards) under Certified RNG for regulated international casino markets regulatory frameworks.
Octavian Gaming (Octavian Gaming Studio) is an iGaming studio headquartered in International iGaming Studio. Its random number generators (RNG) and math sheets are audited by Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards) and certified across Certified RNG for regulated international casino markets. Studio RTP policy: Published per-title theoretical RTP where provided on the studio sheet.
In the Fern Spins catalogue, Octavian Gaming accounts for 78 pokies, playable at Here2Win Casino (here2win.co.nz). Across the 10 titles with a published return, the studio averages 95.20% RTP (spanning 94.00% to 96.00%, with 0 pokies at 96.5% or above). Signature studio mechanics include HTML5 video slot math, mobile-first reel layouts, and bonus feature triggers.
What this pokie is
Fern Spins keeps the New Zealand entry plain. Thunder Gems is from Octavian Gaming. You play it at Here2Win Casino. The stake shows in NZ$.
If you came for a single fact, use the list under the title. Thunder Gems, Octavian Gaming, New Zealand, Here2Win Casino.
Fern Spins keeps a New Zealand page for Thunder Gems rather than reusing the Australian sentences. Pokie, NZ$ and POLi are named here, in this order. Play still ends at Here2Win Casino.
How to play Thunder Gems at Here2Win Casino: 7-step session protocol
- Check the verified Thunder Gems return (95.20%) and Octavian Gaming 5×3 / 5×4 HTML5 video grid layout on this Fern Spins specification card.
- Size your NZ$ session bankroll at 150x–200x your base spin stake using the interactive 100/250/500-spin calculator above.
- Open Here2Win Casino (here2win.co.nz) and locate Thunder Gems using the Octavian Gaming studio filter or instant search bar.
- Launch Thunder Gems and open the in-game help sheet ("?" or "i" icon) to verify the active paytable, feature rules, and printed RTP.
- Select your unit spin stake in NZ$ (such as NZ$0.20–NZ$1.00) so your session balance comfortably covers 200 to 300 spins.
- Lock in a session timer and stop-loss limit at Here2Win Casino prior to spinning, keeping stake size flat through normal variance swings.
- Complete account KYC verification at Here2Win Casino early and use the same verified POLi rail for seamless NZ$ withdrawals.
Questions
Is Thunder Gems on the New Zealand list?
Yes, Thunder Gems is on this New Zealand list. The session is not hosted on fernspins.co.nz.
Which studio is Thunder Gems from?
Octavian Gaming. Other Octavian Gaming pokies for New Zealand are grouped on the provider page.
Does this site take POLi?
Deposit at Here2Win Casino after the button. POLi can be offered there. Fern Spins only names it so the page is clearly the New Zealand catalogue.
Does Thunder Gems work on mobile in New Zealand?
Fern Spins does not publish a separate app. Players in Dunedin use the page, then the casino.
What currency is Thunder Gems staked in?
NZ$ at Here2Win Casino. This catalogue does not print a minimum, because that figure lives inside the game, not on the card.
Is there a demo of Thunder Gems on Fern Spins?
The card is for reading. The session is not hosted on fernspins.co.nz.
Why is Thunder Gems not scored?
Thunder Gems is not placed above or below the rest of the New Zealand list.
Does the pokie remember the last session?
Do not wait out a feature. The pokie is not running late.
Who is Thunder Gems for?
Adults, 18+. Fern Spins is a New Zealand catalogue. Gambling can harm, and the page is not a promise of winnings.
What happens when I press play on Thunder Gems?
fernspins.co.nz takes the click and Here2Win Casino opens the pokie. The partner address stays off the article.
How many Octavian Gaming pokies are on this site?
78. They are grouped on the provider page. Thunder Gems is a single title in that group, played at Here2Win Casino.
Does Dunedin change the pokie?
No. The same Thunder Gems card applies across New Zealand. City is not a reel setting. NZ$ and POLi are the local pieces, and both are settled at Here2Win Casino.
Is a bonus amount listed for Thunder Gems?
No amount is printed here. A welcome offer, if Here2Win Casino has one, is shown in the account with its own terms. Fern Spins will not guess the numbers.
Is Thunder Gems a pub pokie?
No. It is an online pokie from Octavian Gaming, opened at Here2Win Casino. The page does not describe a machine in a venue.
How do I finish a session?
Decide the NZ$ limit before the reels move, then stop when it is reached. Thunder Gems will not tap you on the shoulder.
Why does Thunder Gems have no RTP?
The source card did not publish one. The gap stays empty. A figure is not copied from another pokie to make the page look finished.
What are the pros and cons on the Thunder Gems page?
It is not a rating of Thunder Gems. A pro means the card or the catalogue actually supports the line. A con means a missing figure or a limit of this page.
What do I read first on Thunder Gems?
Read it as a card, not as a tip for Dunedin. The pokie does not know the city, and the page does not pretend it does.
How do I open the right Thunder Gems?
This page is only Thunder Gems. The play button follows that name, not a shorter guess.
What is the maximum win on Thunder Gems?
The card does not publish a maximum win, a reel count, or a payline count. Fern Spins does not guess them.
Why does Thunder Gems have no feature list?
Nothing was tagged on Thunder Gems. A bonus round, a buy price, and a jackpot figure stay unwritten.
How a session moves
Plain version for Fern Spins: limit, spin, stop. That is the whole note.
The long sample behind an RTP, when one is printed, is not one evening. Close Thunder Gems on time.
Stake and POLi
Fern Spins takes no NZ$. POLi, if you use it, is at Here2Win Casino.
The NZ$ stake is chosen in the game at Here2Win Casino. Reading Fern Spins does not open a balance.
Who it suits
The card has no volatility mark. Fern Spins leaves that gap empty instead of guessing a fit for Thunder Gems. The session, if you open it, is at Here2Win Casino.
Playing this pokie
Open the full name Thunder Gems in the Here2Win Casino lobby. This page is only the Thunder Gems card.
The card does not publish a maximum win, a reel count, a payline count, a count of free spins, or a bonus-buy price. Fern Spins leaves those fields empty.
Kiwi players play this pokie in the browser at Here2Win Casino, stake in NZ$. fernspins.co.nz does not host the reels.
This card has no feature label, so no bonus round is described for Thunder Gems.









