Rio Fantasia rules, Stacked Wild respins and RTP

Rio Fantasia is PG Soft catalogue ID 1786529, code rio-fantasia. The checked English document is version 1.0 r4, updated 8 July 2025. It is a three-reel, three-row slot with five fixed lines, Stacked Wild transformations and a randomly triggered Respin Until Win event.

The PDF reports 96.76% RTP, but the current catalogue reports 96.75%. Both sources classify volatility as medium and state a 2,000× maximum. The loaded Help panel is needed to identify the active profile.

Verified settings

Field	Official evidence	Scope
Identity	1786529 · rio-fantasia	Catalogue match
Rules file	1.0 r4 · 8 July 2025	English PDF
Layout	3 reels × 3 rows · 5 lines	Fixed-line game
RTP	PDF 96.76% · catalogue 96.75%	Configuration conflict
Volatility	Medium	Supplier category
Overall hit rate	24.33%	PDF summary
Feature multiplier	5×–20×	Respin event only
Maximum win	2,000× bet	Settlement ceiling
Reference range	€0.25–€250	EUR build, not NZD

The PDF allocates 68.48 percentage points of return to the main game and 28.28 to Respin Until Win. Its hit-rate split is 23.33% and 1.00%. A 1.00% feature hit rate is a simulation summary, not a promise that exactly one feature appears in every 100 paid spins.

Five-line base game

Every ordinary board is evaluated against five fixed line paths. Wild and Stacked Wild substitute for all regular symbols. Since the grid is only 3×3, it is tempting to treat every horizontal or diagonal visual match as a win, but only the documented line patterns qualify.

For replay checks, write down the three symbols on each reel and the line number credited in history. This avoids confusing a prominent carnival animation with the actual paytable result.

The rules do not describe Scatters, Free Spins or Feature Buy for version 1.0 r4. No separate bonus page is needed, and those features should not be inferred from other PG Soft games.

Three Wilds become a Stacked Wild

Whenever three Wild symbols fill one reel, they transform into a Stacked Wild. In a main-game spin, if one or more Stacked Wild reels appear, all wins in that spin are multiplied by 2× before payment.

The factor applies to wins on that spin, not indefinitely to later rounds. Multiple Stacked Wild reels do not justify inventing 4× or 8× arithmetic; the source states that the wins are multiplied by 2× when one or more appear. Use the displayed settlement rather than multiplying the number of stacked reels.

A useful evidence note identifies the filled reel, the qualifying five-line result and the 2× application. If the same visual occurs during the dedicated Respin feature, apply the feature rules instead of assuming the base-game 2× is compounded.

Two Wild states that should not be merged

The quickest way to avoid a mistaken calculation is to label the round either paid-spin stack or random feature before reading the multiplier. In a paid-spin stack, any reel may be filled by three Wilds and the documented result is a single 2× application to wins on that spin. In the random feature, the middle reel is deliberately filled, the outside reels continue moving and the final line win receives the displayed 5×–20× factor.

Do not multiply 2× by the feature factor unless the loaded Help and history explicitly show that calculation. The supplier document presents the mechanics as separate sections. A support note should therefore include the trigger label, which reel was fixed, the final five-line pattern and the factor printed beside the settled result.

The small grid also makes timing easy to miss. A Stacked Wild that appears after the random feature begins is part of that feature state; it is not evidence that a separate base-game transformation also triggered. Capture the round from its first transition rather than beginning the recording only when the large multiplier appears.

A fixed-line replay card

Create a card with five rows, one for each payline. Mark the final symbol sequence, base line award, applicable multiplier and credited result. This is enough to catch a common visual error: counting three matching symbols that do not follow one of the five paths. Store the card with the round ID and Help-screen RTP so the outcome and configuration remain linked.

Random Respin Until Win

During any spin, the feature may trigger randomly while the reels are moving. Reel two then displays a full Stacked Wild, while reels one and three respin until a win is produced. That win receives a randomly selected factor from 5× to 20× before payment.

“Until win” is the stop rule. It does not guarantee a large result or the top 20× multiplier. The event’s evidence chain has four stages: random activation, fixed middle Stacked Wild, side-reel respins and final line win with its displayed factor.

Record each side-reel state only if history exposes it; otherwise preserve the trigger and final settlement screens. Do not reconstruct unseen intermediate outcomes. The round ID and account credit are stronger evidence than a video frame showing only the multiplier celebration.

Maximum win and stake reference

The game stops when main-game or feature winnings reach 2,000× the bet. This is lower than the ceiling in many adjacent PG Soft releases, but it remains a theoretical cap rather than a likely result.

The reference file lists bet sizes 0.05, 0.5 and 5 across ten levels, producing a default EUR range from €0.25 to €250. An NZ-facing client may use different currency labels, increments or boundaries. Verify them directly and avoid presenting the PDF’s EUR stakes as New Zealand cashier limits.

Reconciling 96.76% and 96.75%

Version 1.0 r4 gives a precise 96.76% overall return and component split. The official catalogue checked later displays 96.75%. The sources do not explain whether this is rounding or a distinct configuration.

Both values remain in the editorial record. Before evaluating a live session, capture the RTP from Help along with title, game ID and date. If the client exposes only one number, use that as the active profile without claiming the other source is false.

Platform and mobile checks

PG Soft lists iOS, Android, HTML5, macOS and Windows and specifies a 1080×2340 portrait target. On a phone, the three reels should be fully visible together with stake, win, line paytable and history access.

During the feature, verify that the fully stacked middle reel and 5×–20× value are not obscured by a browser toolbar. If the session pauses, reopen history and compare the recorded final line with the balance movement before continuing.

Preview and territory limits

The global catalogue may offer a supplier preview. It can help confirm button labels and animation order, but it does not prove real-money access, NZD support, KYC or withdrawals. Our sponsored links lead to a commercial destination and are deliberately not called a Rio Fantasia demo.

Likewise, the official listing does not confirm that 22Bet or any other operator deploys Rio Fantasia in New Zealand. Authenticated availability must be checked separately.

Who may like this game model

Rio Fantasia may suit readers who prefer a compact grid and two easy-to-distinguish feature states. One is a base-game 2× Stacked Wild application; the other locks reel two and uses a 5×–20× factor after side-reel respins.

It is less suitable for someone seeking Free Spins, a feature-buy route or a very high maximum. Those elements are absent from the verified rules.

Audit steps

1. Match ID 1786529 and code rio-fantasia.
2. Record the Help-screen RTP rather than resolving the source conflict by assumption.
3. Confirm the exact five-line win.
4. Distinguish a main-game Stacked Wild 2× from the random respin factor.
5. Save the selected 5×–20× value and round ID.
6. Compare the final history entry with the credited balance.

FAQ

How many reels and lines are used?

Rio Fantasia has three reels, three rows and five fixed lines.

What happens when three Wilds fill a reel?

They become a Stacked Wild, and main-game wins on that spin receive 2×.

How does Respin Until Win work?

It triggers randomly, fills reel two with a Stacked Wild and respins the side reels until a win, then applies 5× to 20×.

Does the game have Free Spins?

No Free Spins feature is documented in version 1.0 r4.

Why are two RTP values shown?

The PDF states 96.76%, while the current catalogue states 96.75%. Check the loaded Help screen.

What is the maximum win?

The official cap is 2,000× the bet.

Sources

• PG Soft, Rio Fantasia Game Information, version 1.0 r4, updated 8 July 2025.
• PG Soft official catalogue record for ID 1786529, checked 8 October 2026.

How to verify the version you can actually open

A provider page proves that a title exists and describes the supplier's intended rules. It does not prove that a casino accepts players in New Zealand, that the title is enabled for a particular account, or that the highest published RTP is the version in the lobby. Treat availability, operator eligibility and product configuration as three separate checks.

Start with identity, then configuration

Open the game only through the authenticated casino lobby. The information or help panel should identify PG Soft, the exact title and the active mathematical return. Compare the reel or grid layout, paylines or cluster rules, named features and symbol behaviour with the official product material. Similar artwork or a matching title is not enough when the help file is missing or inconsistent.

When the supplier publishes several RTP values, report all of them as configurations. Do not assume the highest option is deployed. RTP is a theoretical long-run measure across a very large number of rounds; it is not a refund rate for one player and cannot predict the next result. Volatility is different: it describes how unevenly results are distributed on the provider's scale.

Read stake controls as money, not interface decoration

Provider sheets often quote a reference range in euros. That range does not establish New Zealand-dollar support or the limits in a specific account. Before a paid round, identify the total amount that will leave the balance. If the interface separates denomination, coins and lines, verify the combined total. If Extra Bet is active, calculate its full cost before pressing spin.

Feature-buy prices are multiples of the current bet, not promised returns. A 100x purchase at a $1 stake costs $100; at a $2 stake it costs $200. Availability can vary by market and some mathematical configurations may not support the control. If the live help does not explain the price, delivered feature and active RTP, leave the option unused.

Keep simulation figures in their proper scope

A game sheet may publish a maximum result observed in a large simulation. That is not automatically the contractual maximum payout and never describes a likely session. Preserve the provider's wording, sample size and configuration. Check the live rules for a binding cap and the operator terms for any separate payout limit. Do not turn an extreme result into a promotional headline.

Audit a disputed round

If an animation freezes or a connection drops, do not repeat the wager immediately. Reopen the game through the authenticated lobby and inspect round history. Record the time, total stake, balance movement and round identifier. The result can be settled by the gaming system even when the device never displays the final animation. Send evidence through verified operator support; never disclose a password, recovery phrase or one-time code.

Read the paytable as a calculation document

The paytable should explain what creates a win, which symbols substitute, where special symbols can land and how multiple awards combine. For line games, confirm direction and active paylines. For cluster games, confirm adjacency, minimum group size and the order of collection. For respins, identify what remains locked, what resets the counter and what ends the feature. A graphic effect can illustrate those rules but cannot replace them.

Separate addition from multiplication. Several prize values may be added before a multiplier applies, while reel-specific multipliers can sometimes multiply together only when each reel participates in the same win. Reconstruct one low-stake result from game history. If the arithmetic cannot be matched to the help file, stop and ask the operator rather than guessing.

Do not confuse hit frequency with a profitable round

Provider sheets can publish hit frequency or category probabilities. A hit simply means a round returned a qualifying amount; it can be smaller than the stake. “Big”, “Mega” or “Epic” thresholds are provider reporting categories, not promises. They are useful for comparing mathematical versions only when definitions and samples are the same.

Random outcomes do not become due after a long gap. A feature that appeared repeatedly in a demo or marketing clip has no obligation to repeat in a funded session. Previous rounds do not create a debt from the next random result.

Confirm market and device behaviour independently

A title can exist in the supplier catalogue while an operator disables it for a territory, currency, device or bonus. Language localisation is not evidence of legal availability. Confirm the operator's identity, accepted countries and current lobby separately from the provider review.

On mobile, verify that balance, total bet, feature state and help remain visible without overlap. On desktop, check that browser zoom does not hide a purchase control or change the apparent denomination. Mathematical configuration should not change merely because the screen changes; if the help shows another RTP, treat it as a different deployment and record it.

Keep a compact evidence record

For any fact used in a review, save the title, provider, official URL, document date when available, access date and exact territorial scope. For a live session, add the operator domain, Game ID, RTP, currency and a non-sensitive screenshot of the help panel. This makes later corrections possible when a supplier updates a sheet or an operator changes configuration.

Missing information should remain missing. Do not estimate an RTP from results, convert a euro reference range into an operator's NZD limit, or treat another casino's configuration as evidence. A transparent “not confirmed” is more useful than a precise-looking number without the correct source.

Use limits that survive the feature design

Collection meters, expanding grids, sticky symbols and near misses can make a session feel unfinished. Unless the rules explicitly preserve progress, the visible state has no value after the round or feature ends. Set a money limit and time limit before launch, count feature buys immediately, and stop at the limit even when a meter appears close to an upgrade.

No random game is an income plan. Do not borrow, use essential funds or raise the stake to recover a loss. If play stops feeling recreational, use timeout, deposit-limit or self-exclusion tools and consult the site's responsible gambling guide.