The RTP Ledger snapshot of the Stake Engine catalogue checked 2026-09-26 displays Harbour Hoard by DoOne Games at 96.06% base RTP, rounded to two decimal places for presentation and equivalent to a 3.94% displayed theoretical house edge. RTP Ledger lists 4 published modes separately; the figures do not predict one session or establish a live casino configuration.
At 96.06%, the theoretical long-run cost is $3.94 per $100 wagered. The base RTP is higher than 58.7% of the 4,035 other Stake Engine games with a base figure. The base RTP is 0.06 percentage points above the median for the compared Stake Engine games.
At the two-decimal display precision, 4 modes share the highest displayed RTP of 96.06%: antebet, base, and freespins and 1 more. 4 modes share the lowest displayed RTP of 96.06%: antebet, base, and freespins and 1 more. The difference between the displayed extremes is 0 percentage points.
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 | 96.06% | 3.94% | 3,400,000 |
| antebet | Other feature or mode | 96.06% | 3.94% | 3,160,000 |
| holdspin | Other feature or mode | 96.06% | 3.94% | 770,000 |
| freespins | Other feature or mode | 96.06% | 3.94% | 160,000 |
RTP Ledger checked Stake Engine (fair.stake-engine.com) on 2026-09-26. 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 2026-09-26. It displays a 96.06% base RTP for Harbour Hoard by DoOne Games, rounded to two decimals for presentation. The corresponding displayed theoretical house edge is 3.94%; neither figure predicts one session.
At the two-decimal display precision, 4 modes share the highest displayed RTP of 96.06%: antebet, base, and freespins and 1 more. 4 modes share the lowest displayed RTP of 96.06%: antebet, base, and freespins and 1 more.
RTP Ledger uses the mode RTP values and reported event counts in the Stake Engine catalogue snapshot dated 2026-09-26. RTP values are rounded to two decimal places for presentation while the source precision remains in the data record. The source field is named “events”; RTP Ledger does not relabel it as observed rounds or unique outcomes.
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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5savePublisher-supplied campaign code. It does not confirm bonus eligibility or terms.
DoOne Games has fewer than five catalogue records, so RTP Ledger keeps its studio profile inside the complete games list instead of a separate page.
Version 1, first recorded by RTP Ledger on 2026-09-26. No version change has been recorded since tracking began.
The catalogue keeps 1 published version of Harbour Hoard. The catalogue does not date its versions; the last column shows when RTP Ledger first recorded a version as active. All Stake Engine moves are listed on the RTP changes page.
| Version | Base RTP | Best buy RTP | Modes | Status | First recorded by RTP Ledger |
|---|---|---|---|---|---|
| v1 | 96.06% | — | 4 | Active | 2026-09-26 |