The RTP Ledger snapshot of the Stake Engine catalogue checked 2026-08-19 displays Spin Of Duality by IndeXPerience at 97.39% base RTP, rounded to two decimal places for presentation and equivalent to a 2.61% displayed theoretical house edge. RTP Ledger lists 5 published modes separately; the figures do not predict one session or establish a live casino configuration.
At 97.39%, the theoretical long-run cost is $2.61 per $100 wagered. The base RTP is higher than 98.1% of the 2,830 other Stake Engine games with a base figure. The base RTP is 1.39 percentage points above the median for the compared Stake Engine games.
At the two-decimal display precision, bonus buy 3 has the highest displayed RTP at 97.51%. bonus buy 5 has the lowest displayed RTP at 97.1%. The difference between the displayed extremes is 0.41 percentage points.
The highest displayed RTP among modes with “buy” in the published name is 97.51%. The difference from the displayed base RTP is +0.12 percentage points. RTP describes theoretical return over a very large number of bets. RTP does not make a bonus buy safe or predict a short session.
The expected-cost figures apply over a very large number of bets. The figures do not predict what one player will win or lose in a session.
| Mode | Type | Published RTP | House edge | Reported events |
|---|---|---|---|---|
| base | Base game | 97.39% | 2.61% | 3,000,000 |
| base double chance | Other feature or mode | 97.42% | 2.58% | 3,000,000 |
| bonus buy 3 | Mode name includes “buy” | 97.51% | 2.49% | 250,000 |
| bonus buy 4 | Mode name includes “buy” | 97.17% | 2.83% | 250,000 |
| bonus buy 5 | Mode name includes “buy” | 97.1% | 2.9% | 250,000 |
RTP Ledger checked Stake Engine (fair.stake-engine.com) on 2026-08-19. RTP Ledger displays each published mode RTP rounded to two decimal places and calculates house edge as 100 − displayed RTP. “Reported events” preserves the source field name; it is not labelled as observed rounds or unique outcomes. RTP Ledger does not independently recalculate the catalogue RTP from weights and payouts.
RTP Ledger checked the Stake Engine catalogue on 2026-08-19. It displays a 97.39% base RTP for Spin Of Duality by IndeXPerience, rounded to two decimals for presentation. The corresponding displayed theoretical house edge is 2.61%; neither figure predicts one session.
At the two-decimal display precision, bonus buy 3 has the highest displayed RTP at 97.51%. bonus buy 5 has the lowest displayed RTP at 97.1%.
The highest displayed RTP among modes with “buy” in the published name is 97.51%. The difference from the 97.39% displayed base RTP is +0.12 percentage points. The comparison uses catalogue data and does not predict the result of one session.
Stake Engine published the catalogue used for the game record. Compare the in-game mode with the published mode table before you play. RTP Ledger can earn a commission if you open Stake through the link. The commission does not change the RTP figures, the publication decision, or the order of records.
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IndeXPerience has fewer than five catalogue records, so RTP Ledger keeps its studio profile inside the complete games list instead of a separate page.
Version 12, first recorded by RTP Ledger on 2026-08-19. No version change has been recorded since tracking began.