Mottle Fen cover of Open Vault. Play this pokie at Here2Win Casino, stakes in NZ$

Here2Win Casino · Fa Chai · New Zealand

Open Vault for New Zealand, Mottle Fen

Kiwi players can open the session page for Open Vault pokie apart from this catalogue.

Across New Zealand, Mottle Fen is the catalogue page for Open Vault. Here2Win Casino is where the pokie runs. The card has no published RTP.

What this pokie is

Mottle Fen writes the Open Vault entry for this host. Fa Chai made it. Here2Win Casino is where it is played. The stake shows as NZ$.

Mottle Fen 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.

Mottle Fen keeps the New Zealand page for Open Vault on its own host. The sentence is not the Australian page with the country find-replaced. The play button still ends at Here2Win Casino.

The Fa Chai page names Happy Duo Bao and, further down, Grand Blue.

Studio

Fa Chai is the studio on the card. 59 of their pokies are in this New Zealand catalogue. Each one hands off through mottlefen.org to Here2Win Casino.

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 Mottle Fen catalogue, Fa Chai accounts for 59 pokies, playable at Here2Win Casino (here2win.com.au). 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.

Myth #1: Time-of-Day Payout CyclesOpen Vault does not adjust payouts by hour or player traffic: Independent RNG & math verification (GLI / iTech Labs / BMM Testlabs standards) certifies that every spin resolves an independent RNG outcome locked to 96.33% studio benchmark RTP.
Myth #2: Bonus "Due" After 100 Dry SpinsOpen Vault never owes a feature trigger after a dry streak: at a memoryless RNG draw, spins are statistically memoryless and require a 150x–200x stake buffer in NZ$ at Here2Win Casino (here2win.com.au).
Myth #3: Demo vs Real-Money OddsFa Chai does not run inflated demo math: the HTML5 client at Here2Win Casino (here2win.com.au) executes the identical symbol weightings and paytable in practice and NZ$ modes.

At Here2Win Casino

Open Vault is a Fa Chai pokie at Here2Win Casino for New Zealand. Mottle Fen records the figures. The game opens at Here2Win Casino, stake in NZ$.

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.com.au).

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.com.au).

Interactive stake simulator:
Here2Win Casino buffer (150x–200x): NZ$150–NZ$200
Studio benchmark projection for Open Vault using Fa Chai average RTP of 96.33%
Session volume & entityTotal turnoverTheoretical returnHouse marginEst. winning spins
100 spins on Open Vault (NZ$1/spin @ 96.33% RTP)NZ$100NZ$96.33NZ$3.67~27–33
250 spins on Open Vault (NZ$1/spin @ 96.33% RTP)NZ$250NZ$240.82NZ$9.18~68–83
500 spins on Open Vault (NZ$1/spin @ 96.33% RTP)NZ$500NZ$481.65NZ$18.35~135–165

Pros and cons

Pros

  • You do not have to open the lobby to see who made Open Vault.
  • The stake for Kiwi players is in NZ$.
  • The provider page is the rest of the studio.

Cons

  • The account is at Here2Win Casino.
  • 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.

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.com.au).

Side-by-side comparison of Open Vault against studio and mechanic peers at Here2Win Casino
Title & spec anchorStudioPublished RTPDelta vs Open VaultVolatilityGrid
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

Who it suits

The card has no volatility mark. Mottle Fen leaves that gap empty instead of guessing a fit for Open Vault. The session, if you open it, is at Here2Win Casino.

How a session moves

Short session, then close it. Open Vault does not keep a score of how careful you were.

The long sample behind an RTP, when one is printed, is not one evening. Close Open Vault on time.

Questions

Can Kiwi players open Open Vault at Here2Win Casino?

Yes, Open Vault is on this New Zealand list. The session is not hosted on mottlefen.org.

Which studio is Open Vault from?

The studio on the card is Fa Chai. Mottle Fen does not swap in a different name.

Does this site take POLi?

Deposit at Here2Win Casino after the button. POLi can be offered there. Mottle Fen only names it so the page is clearly the New Zealand catalogue.

Can Kiwi players open Open Vault on a phone?

Yes. The button on mottlefen.org is the same on a phone. Here2Win Casino loads the pokie, and the stake is in NZ$.

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?

No. The page does not run the reels. The button opens Open Vault at Here2Win Casino. A practice mode, if the casino offers one, is there.

Where is the rating for this pokie?

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.

Can Open Vault be due to pay?

Do not wait out a feature. The pokie is not running late.

Who is Open Vault 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 Open Vault?

mottlefen.org 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. Mottle Fen 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.

Why list pros and cons for Open Vault?

So a Kiwi player can see the split. Published facts, such as the studio and any RTP, sit on one side. Gaps and limits sit on the other, including the fact that Mottle Fen is not the cashier.

What do I read first on Open Vault?

Read it as a card, not as a tip for Queenstown. The pokie does not know the city, and the page does not pretend it does.

Will a shorter name still open Open Vault?

Use the full name on this card. A shorter search in the Here2Win Casino lobby can open a different Fa Chai title.

What is the maximum win on Open Vault?

The card does not publish a maximum win, a reel count, or a payline count. Mottle Fen does not guess them.

Why does Open Vault have no feature list?

Nothing was tagged on Open Vault. A bonus round, a buy price, and a jackpot figure stay unwritten.

Stake and POLi

The NZ$ movement, POLi included, happens at Here2Win Casino. This page only names it.

POLi and the other rails people in New Zealand already use are handled inside the Here2Win Casino account. mottlefen.org never asks for them. The page can name POLi.

How to play Open Vault at Here2Win Casino: 7-step session protocol

  1. Check the verified Open Vault return (96.33%) and Fa Chai 5×3 / 5×4 HTML5 video grid layout on this Mottle Fen specification card.
  2. Size your NZ$ session bankroll at 150x–200x your base spin stake using the interactive 100/250/500-spin calculator above.
  3. Open Here2Win Casino (here2win.com.au) and locate Open Vault using the Fa Chai studio filter or instant search bar.
  4. Launch Open Vault and open the in-game help sheet ("?" or "i" icon) to verify the active paytable, feature rules, and printed RTP.
  5. Select your unit spin stake in NZ$ (such as NZ$0.20–NZ$1.00) so your session balance comfortably covers 200 to 300 spins.
  6. Lock in a session timer and stop-loss limit at Here2Win Casino prior to spinning, keeping stake size flat through normal variance swings.
  7. Complete account KYC verification at Here2Win Casino early and use the same verified POLi rail for seamless NZ$ withdrawals.

Playing this pokie

Open the full name Open Vault in the Here2Win Casino lobby. This page is only the Open Vault 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. 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.

This card has no feature label, so no bonus round is described for Open Vault.