Here2Win Casino · Fa Chai · New Zealand
Open Vault card on Fern Spins
Kiwi players can open the session page for Open Vault pokie apart from this catalogue.
Across New Zealand, Fern Spins is the catalogue page for Open Vault. Here2Win Casino is where the pokie runs. A missing return figure stays missing.
More from Fa Chai
Open Vault vs Fa Chai average & peer pokie comparison
Compared against direct studio and mechanic peers, Open Vault (studio benchmark) benchmarks directly against Fortune Money Boom (96.50%, Fa Chai) across its 5×3 / 5×4 HTML5 video grid layout at Here2Win Casino (here2win.co.nz).
| Title & spec anchor | Studio | Published RTP | Delta vs Open Vault | Volatility | Grid |
|---|---|---|---|---|---|
| Open Vault (this card) | Fa Chai | — | — | — | 5×3 / 5×4 HTML5 video grid |
| Fortune Money Boom 96.50% RTP medium pokie · Highest RTP in Fa Chai vs Open Vault | Fa Chai | 96.50% | — | medium | 5×3 / 5×4 HTML5 video grid |
| Queen of Inca 95.50% RTP high pokie · Higher-volatility studio alternative vs Open Vault | Fa Chai | 95.50% | — | high | 5×3 / 5×4 HTML5 video grid |
- Alongside Open Vault (studio benchmark), review the Fortune Money Boom 96.50% Fa Chai pokie card available at Here2Win Casino.
- Alongside Open Vault (studio benchmark), review the Queen of Inca 95.50% Fa Chai 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
Open Vault is a Fa Chai pokie at Here2Win Casino for New Zealand. Fern Spins records the figures. The game opens at Here2Win Casino, stake in NZ$.
The rest of the Fa Chai list includes Merge Magic.
Published figures & technical specs
- Studio
- Fa Chai (59 in this catalogue)
- Studio average RTP
- 96.33% (across 6 titles)
- Reel grid
- 5×3 / 5×4 HTML5 video grid
- Pay structure
- Standard studio payline / ways structure
- RNG testing labs
- Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards)
- Studio licences
- Certified RNG for regulated international casino markets
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- NZ$
- Card updated
- 2026-11-04
Open Vault RTP (studio benchmark), house edge & 500-spin session math
Open Vault by Fa Chai benchmarks against the verified 96.33% studio average RTP (3.67% house margin across 6 titles) and suits a 150x–200x stake buffer in NZ$ at Here2Win Casino (here2win.co.nz).
Because the source card for Open Vault omits an individual percentage, this Fa Chai release is benchmarked against the studio's published range (95.50% to 96.50%). 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 Open Vault in NZ$ at Here2Win Casino (here2win.co.nz).
| Session volume & entity | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins on Open Vault (NZ$1/spin @ 96.33% RTP) | NZ$100 | NZ$96.33 | NZ$3.67 | ~27–33 |
| 250 spins on Open Vault (NZ$1/spin @ 96.33% RTP) | NZ$250 | NZ$240.82 | NZ$9.18 | ~68–83 |
| 500 spins on Open Vault (NZ$1/spin @ 96.33% RTP) | NZ$500 | NZ$481.65 | NZ$18.35 | ~135–165 |
Pros and cons
Pros
- Fa Chai is the studio on the card.
- The stake for Kiwi players is in NZ$.
- There are 59 Fa Chai pokies in this catalogue.
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 Open Vault, the answer is Fa Chai. Here2Win Casino does not either.
Open Vault technical specs, Fa Chai RNG audit & myth-busting rules
Open Vault is engineered by Fa Chai 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.
Fa Chai (Fa Chai 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, Fa Chai accounts for 59 pokies, playable at Here2Win Casino (here2win.co.nz). Across the 6 titles with a published return, the studio averages 96.33% RTP (spanning 95.50% to 96.50%, with 5 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. Open Vault is from Fa Chai. You play it at Here2Win Casino. The stake shows in NZ$.
Studio first: Fa Chai. Then the volatility,. Queenstown or Dunedin is not a setting in the game.
Fern Spins keeps a New Zealand page for Open Vault rather than reusing the Australian sentences. The host is its own catalogue. Play still ends at Here2Win Casino.
How to play Open Vault at Here2Win Casino: 7-step session protocol
- Check the verified Open Vault return (96.33%) and Fa Chai 5×3 / 5×4 HTML5 video grid layout on this Fern Spins specification card.
- Size your NZ$ 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 Open Vault using the Fa Chai studio filter or instant search bar.
- Launch Open Vault 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
Can Kiwi players open Open Vault at Here2Win Casino?
Here2Win Casino plays it. Fern Spins is the New Zealand catalogue. The button leaves via fernspins.co.nz and opens Open Vault at Here2Win Casino, stake in NZ$.
Which studio is Open Vault from?
Fa Chai. Other Fa Chai pokies for New Zealand are grouped on the provider page.
Where do I deposit NZ$?
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.
Can Kiwi players open Open Vault on a phone?
Fern Spins does not publish a separate app. Players in Queenstown use the page, then the casino.
What currency is Open Vault staked in?
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 Open Vault on this page?
The card is for reading. The session is not hosted on fernspins.co.nz.
Where is the rating for this pokie?
There is no rating. A score would be an opinion Fern Spins 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 Open Vault 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 Open Vault?
fernspins.co.nz takes the click and Here2Win Casino opens the pokie. The partner address stays off the article.
How many Fa Chai pokies are on this site?
59. They are grouped on the provider page. Open Vault is a single title in that group, played at Here2Win Casino.
Does Queenstown change the pokie?
No. The same Open Vault 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 Open Vault?
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 Open Vault a pub pokie?
No. It is an online pokie from Fa Chai, 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. Open Vault will not tap you on the shoulder.
Why does Open Vault 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 Open Vault page?
It is not a rating of Open Vault. 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 Open Vault?
Yes. That short answer is the preview, and it should match the fact list: Fa Chai, and only when you are on a card that has an RTP. Pros and cons come after, in plainer lines.
Will a shorter name still open Open Vault?
This page is only Open Vault. The play button follows that name, not a shorter guess.
What is the maximum win on Open Vault?
The card does not publish a maximum win, a reel count, or a payline count. Fern Spins does not guess them.
Are the bonus features of Open Vault described here?
Nothing was tagged on Open Vault. A bonus round, a buy price, and a jackpot figure stay unwritten.
How a session moves
Open Vault does not become likelier because the page is short. That is the whole note.
It is not a plan to clear an offer. Any welcome lives inside Here2Win Casino, and Fern Spins does not invent the terms.
Stake and POLi
Fern Spins takes no NZ$. POLi, if you use it, is at Here2Win Casino.
POLi and the other rails people in New Zealand already use are handled inside the Here2Win Casino account. fernspins.co.nz never asks for them. The page cannot take an NZ$ deposit.
Who it suits
The card has no volatility mark. Fern Spins leaves that gap empty instead of guessing a fit for Open Vault. The session, if you open it, is at Here2Win Casino.
Playing this pokie
Search the lobby for Open Vault, the full title on this card. A shorter search can load a different Fa Chai 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. Fern Spins leaves those fields empty.
Kiwi players play this pokie in the browser at Here2Win Casino, stake in NZ$. No app is installed from Fern Spins.
This card has no feature label, so no bonus round is described for Open Vault.