Here2Win Casino · Yggdrasil Gaming · New Zealand
Gemstone Jam card on Mottle Fen
Kiwi players can open the session page for Gemstone Jam pokie apart from this catalogue.
Mottle Fen lists Gemstone Jam as a Yggdrasil Gaming pokie for players in New Zealand, opened at Here2Win Casino. No RTP was on the source card, so this page does not borrow one from a similar game. Volatility reads.
What this pokie is
Mottle Fen writes the Gemstone Jam entry for this host. Yggdrasil Gaming made it. Here2Win Casino is where it is played. The stake shows as NZ$.
Kiwi players open Gemstone Jam at Here2Win Casino after reading it here. The studio is Yggdrasil Gaming. Christchurch is not a setting inside the game.
The video group is where Mottle Fen files this pokie for New Zealand. The provider page is the clean way to do that. Each of those pages repeats the handoff: this domain, then Here2Win Casino.
Studio
If the only question was who built Gemstone Jam, the answer is Yggdrasil Gaming. Here2Win Casino does not either.
The Yggdrasil Gaming page names Giganimals Gigablox and, further down, Notre-Dame Tales Gigablox.
Gemstone Jam technical specs, Yggdrasil Gaming RNG audit & myth-busting rules
Gemstone Jam is engineered by Yggdrasil 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.
Yggdrasil Gaming (Yggdrasil 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 Mottle Fen catalogue, Yggdrasil Gaming accounts for 166 pokies, playable at Here2Win Casino (here2win.com.au). Across the 9 titles with a published return, the studio averages 95.11% 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.
At Here2Win Casino
Here2Win Casino is the casino named on this card. 166 other Yggdrasil Gaming pokies are grouped with Gemstone Jam, and they are played at Here2Win Casino.
Published figures & technical specs
- Studio
- Yggdrasil Gaming (166 in this catalogue)
- Studio average RTP
- 95.11% (across 9 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
Gemstone Jam RTP (studio benchmark), house edge & 500-spin session math
Gemstone Jam by Yggdrasil Gaming benchmarks against the verified 95.11% studio average RTP (4.89% house margin across 9 titles) and suits a 250x–350x stake buffer in NZ$ at Here2Win Casino (here2win.com.au).
Because the source card for Gemstone Jam omits an individual percentage, this Yggdrasil Gaming release is benchmarked against the studio's published range (94.00% to 96.00%). The pokie runs on a 5×3 / 5×4 HTML5 video grid layout, and its variance profile fits a 250x–350x unit-stake reserve when playing Gemstone Jam in NZ$ at Here2Win Casino (here2win.com.au).
| Session volume & entity | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins on Gemstone Jam (NZ$1/spin @ 95.11% RTP) | NZ$100 | NZ$95.11 | NZ$4.89 | ~21–26 |
| 250 spins on Gemstone Jam (NZ$1/spin @ 95.11% RTP) | NZ$250 | NZ$237.78 | NZ$12.23 | ~53–65 |
| 500 spins on Gemstone Jam (NZ$1/spin @ 95.11% RTP) | NZ$500 | NZ$475.55 | NZ$24.45 | ~105–130 |
Pros and cons
Pros
- You do not have to open the lobby to see who made Gemstone Jam.
- The button remains on mottlefen.org and hands the pokie to Here2Win Casino.
- The provider page is the rest of the studio.
Cons
- Mottle Fen does not hold NZ$ 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.
- The gap is left in the fact list.
Gemstone Jam vs Yggdrasil Gaming average & peer pokie comparison
Compared against direct studio and mechanic peers, Gemstone Jam (studio benchmark) benchmarks directly against Max Elements (96.00%, Yggdrasil Gaming) across its 5×3 / 5×4 HTML5 video grid layout at Here2Win Casino (here2win.com.au).
| Title & spec anchor | Studio | Published RTP | Delta vs Gemstone Jam | Volatility | Grid |
|---|---|---|---|---|---|
| Gemstone Jam (this card) | Yggdrasil Gaming | — | — | — | 5×3 / 5×4 HTML5 video grid |
| Max Elements 96.00% RTP high pokie · Highest RTP in Yggdrasil Gaming vs Gemstone Jam | Yggdrasil Gaming | 96.00% | — | high | 5×3 / 5×4 HTML5 video grid |
- Alongside Gemstone Jam (studio benchmark), review the Max Elements 96.00% Yggdrasil 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.
More from Yggdrasil Gaming
Who it suits
The card has no volatility mark. Mottle Fen leaves that gap empty instead of guessing a fit for Gemstone Jam. The session, if you open it, is at Here2Win Casino.
How a session moves
Short session, then close it. Gemstone Jam does not keep a score of how careful you were.
It is not a plan to clear an offer. Any welcome lives inside Here2Win Casino, and Mottle Fen does not invent the terms.
Questions
Can Kiwi players open Gemstone Jam at Here2Win Casino?
Here2Win Casino plays it. Mottle Fen is the New Zealand catalogue. The button leaves via mottlefen.org and opens Gemstone Jam at Here2Win Casino, stake in NZ$.
Who built this pokie?
The studio on the card is Yggdrasil Gaming. Mottle Fen does not swap in a different name.
Where do I deposit NZ$?
NZ$ stays in the Here2Win Casino account. This domain does not open a cashier.
Does Gemstone Jam work on mobile in New Zealand?
Yes. The button on mottlefen.org is the same on a phone. Here2Win Casino loads the pokie, and the stake is in NZ$.
Is the stake in NZ$?
NZ$ at Here2Win Casino. This catalogue does not print a minimum, because that figure lives inside the game, not on the card.
Can I play Gemstone Jam on this page?
No. The page does not run the reels. The button opens Gemstone Jam at Here2Win Casino. A practice mode, if the casino offers one, is there.
Why is Gemstone Jam not scored?
There is no rating. A score would be an opinion Mottle Fen refuses to invent. The useful lines are the studio, the RTP when it exists, and the volatility.
Does the pokie remember the last session?
Do not wait out a feature. The pokie is not running late.
Who is Gemstone Jam for?
Adults, 18+. Mottle Fen is a New Zealand catalogue. Gambling can harm, and the page is not a promise of winnings.
What happens when I press play on Gemstone Jam?
mottlefen.org takes the click and Here2Win Casino opens the pokie. The partner address stays off the article.
How many Yggdrasil Gaming pokies are on this site?
166. They are grouped on the provider page. Gemstone Jam is a single title in that group, played at Here2Win Casino.
Does Christchurch change the pokie?
No. The same Gemstone Jam 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 Gemstone Jam?
No amount is printed here. A welcome offer, if Here2Win Casino has one, is shown in the account with its own terms. Mottle Fen will not guess the numbers.
Is Gemstone Jam a pub pokie?
No. It is an online pokie from Yggdrasil 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. Gemstone Jam will not tap you on the shoulder.
Why does Gemstone Jam 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 Gemstone Jam page?
It is not a rating of Gemstone Jam. A pro means the card or the catalogue actually supports the line. A con means a missing figure or a limit of this page.
Is the text under the title the preview?
Yes. That short answer is the preview, and it should match the fact list: Yggdrasil Gaming, and only when you are on a card that has an RTP. Pros and cons come after, in plainer lines.
How do I open the right Gemstone Jam?
Use the full name on this card. A shorter search in the Here2Win Casino lobby can open a different Yggdrasil Gaming title.
How many reels and paylines does Gemstone Jam have?
The card does not publish a maximum win, a reel count, or a payline count. Mottle Fen does not guess them.
Why does Gemstone Jam have no feature list?
The card has no feature label, so no bonus round is described. Mottle Fen does not invent one.
Stake and POLi
The NZ$ movement, POLi included, happens at Here2Win Casino. This page only names it.
The NZ$ stake is chosen in the game at Here2Win Casino. Reading Mottle Fen does not open a balance.
How to play Gemstone Jam at Here2Win Casino: 7-step session protocol
- Check the verified Gemstone Jam return (95.11%) and Yggdrasil Gaming 5×3 / 5×4 HTML5 video grid layout on this Mottle Fen specification card.
- Size your NZ$ session bankroll at 250x–350x your base spin stake using the interactive 100/250/500-spin calculator above.
- Open Here2Win Casino (here2win.com.au) and locate Gemstone Jam using the Yggdrasil Gaming studio filter or instant search bar.
- Launch Gemstone Jam 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.
Playing this pokie
Open the full name Gemstone Jam in the Here2Win Casino lobby. A shorter search can load a different Yggdrasil Gaming title.
The card does not publish a maximum win, a reel count, a payline count, a count of free spins, or a bonus-buy price. Mottle Fen leaves those fields empty.
Kiwi players play this pokie in the browser at Here2Win Casino, stake in NZ$. mottlefen.org does not host the reels.
Mottle Fen found no feature tag on Gemstone Jam. Nothing is invented to fill that gap.