For readers in New Zealand, it is important to remember that this is a free demo using virtual coins. While the gameplay mechanics are specific, you should always verify current currency options and regulatory compliance directly with the 9988 operator.
From hexadecimal reels to a score
Two independent reels each show one hexadecimal symbol: 0 to 9 or A to F. A, B, C, D, E and F have values 10, 11, 12, 13, 14 and 15. Calculate n = 16 times the first reel value + the second reel value + 1. Each integer from 1 to 256 has probability 1 in 256.
Factor n into prime powers. For each prime power p^e, calculate p^(e-1) times (p+1), then multiply those results together. For n = 1, there are no prime factors and the empty product is 1. Subtract 1 from the product to obtain the reward score. Reels 0 and 0 therefore produce n = 1, a statistic of 1 and a score of 0.
What New Zealand Players Should Check
When playing 9988 from New Zealand, you need to confirm how the platform handles local standards. The primary currency to check is the New Zealand dollar (NZD). While many international sites use USD or EUR, you must verify if 9988 supports NZD for any potential real-money features or if you are strictly using a demo mode.
Regarding payments, New Zealanders commonly use bank transfers and credit/debit cards. You should check if 9988 accepts these methods for any future deposits. Also, ensure the operator complies with the Gambling Act 2003, which sets the rules for gambling in New Zealand. To check this, look for a 'Terms and Conditions' or 'About Us' section on their site, or contact their support team directly to ask if they hold a valid licence or operate under New Zealand regulations.
- Verify if NZD is supported as a currency.
- Check if bank transfers or cards are accepted.
- Confirm compliance with the Gambling Act 2003.
- Ensure you are over 18 years old to play.
Linear, Square and Cube
Linear uses the reward score as its weight. Square uses the score squared, and Cube uses the score cubed. For the selected curve, the gross multiplier is 0.96 times the weight divided by its exact average across all 256 outcomes. Multiply the gross multiplier by the stake to obtain the raw gross return.
The exact sums of those weights are 49,692 for Linear, 13,767,778 for Square and 4,569,348,930 for Cube. Divide each sum by 256 to find its exact mean. Every curve has an expected gross return of 96% of the stake across the complete outcome distribution. This is an average, not a probability of winning or a promised session result.
Starting and completing one spin
Select a stake of 10, 20, 50 or 100 play coins and a Linear, Square or Cube reward curve before pressing Spin both reels. The default stake is 20 and the default curve is Linear. Both reels share one stake, deducted once when the round starts.
Stake and curve selection, balance restoration and starting another spin are locked during the round. Sound remains available. Settlement occurs once at the end, with no row bets, bonus or intermediate collection. The chosen stake and curve remain selected after settlement; reloading restores 20 and Linear.
Whole-coin credit and saved fractions
At settlement, add the saved fractional carry to the raw gross return. Credit the whole-number part of that total, rounding down, and save the remaining fraction for later rounds. For example, a raw return of 12.4 coins with 0.8 carried forward credits 13 coins and leaves 0.2 as carry.
A zero-return round leaves the saved fraction unchanged. The displayed wallet changes by the single stake deduction and the eventual whole-coin credit, rather than by a separate profit award.
Exact expectation and measured samples
Separate runs of one million simulated rounds per curve measured gross returns of 95.89% for Linear, 95.99% for Square and 95.84% for Cube. These are sample observations; the exact expectation comes from summing all 256 outcomes and is 96% for each curve.
The curves assign different relative rewards to scores. Equal expected return does not make their individual round results identical. A gross return includes any returned part of the stake; it is not additional profit.
Wallet, reloads and the demo's limits
A new demo wallet starts with 1,000 play coins. The balance and fractional payout carry are stored in this browser's local storage. A settled balance of zero is saved too. The coins have no cash value and cannot be purchased, withdrawn or exchanged for money.
When no round is active and the balance is below 10, Restore balance sets it to exactly 1,000. At a balance of 10, restoration is unavailable. This manual action replaces the balance rather than adding 1,000 coins, and keeps the fractional carry.
Reloading during a spin ends that unfinished round. The stake already deducted remains deducted, with no refund, payout or resumed round. The saved wallet and carry remain, while the controls return to stake 20 and Linear.
Wait for settlement before reloading if you want the round to complete. Stored wallet values are local browser state, not an online account or a guarantee of recovery after site data are deleted.
The demo stores its virtual-coin balance and fractional payout carry in browser local storage. The pages also load Google Fonts stylesheets and font files, and Statinside visitor analytics with counter 44. These third-party requests go beyond local wallet storage.
There is no demo account or payment flow. That does not establish anonymity or the absence of personal-data processing. This guide does not establish what each provider retains, for how long, or for which purposes.
Frequently asked questions
How is the reward score calculated?
Read the reel pair as n = 16 times the first value + the second value + 1. For each prime power p^e in n, multiply p^(e-1) by (p+1), multiply those terms together, then subtract 1. For n = 1 the empty product is 1 and the score is zero.
What happens to fractional returns?
The raw gross return and saved carry are added together. The whole-number part is credited and the remaining fraction is saved. Zero-return rounds and manual restoration keep the carry.
Does 96% mean I get that amount back in a session?
No. It is the exact expected gross return across all 256 outcomes for each curve. Individual rounds and sessions vary; the one-million-round measurements are samples.
Is 9988 licensed in New Zealand?
This website does not state that 9988 is licensed in New Zealand. You should check the operator's official website or contact their support to confirm their licensing status under the Gambling Act 2003.
What payment methods are available for New Zealanders?
Common methods in New Zealand include bank transfers and cards. However, you must check with 9988 directly to see if they support these methods or if they only support other currencies like USD.
