The RTP Ledger snapshot of the Stake Engine catalogue checked 2026-09-26 displays Nebula Vault by Generous Gaming at 95.98% base RTP, rounded to two decimal places for presentation and equivalent to a 4.02% displayed theoretical house edge. RTP Ledger lists 8 published modes separately; the figures do not predict one session or establish a live casino configuration.
At 95.98%, the theoretical long-run cost is $4.02 per $100 wagered. The base RTP is higher than 16.1% of the 4,035 other Stake Engine games with a base figure. The base RTP is 0.02 percentage points below the median for the compared Stake Engine games.
At the two-decimal display precision, novaburst has the highest displayed RTP at 96.05%. starpulse has the lowest displayed RTP at 95.96%. The difference between the displayed extremes is 0.09 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 |
|---|---|---|---|---|
| cometrail | Other feature or mode | 95.98% | 4.02% | 100,009 |
| orrerypick | Other feature or mode | 95.98% | 4.02% | 100,012 |
| starpulse | Other feature or mode | 95.96% | 4.04% | 100,034 |
| novaburst | Other feature or mode | 96.05% | 3.95% | 100,005 |
| eventhorizon | Other feature or mode | 96.02% | 3.98% | 100,133 |
| celestial | Other feature or mode | 95.99% | 4.01% | 100,013 |
| ante | Other feature or mode | 95.97% | 4.03% | 1,000,010 |
| base | Base game | 95.98% | 4.02% | 1,000,044 |
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 95.98% base RTP for Nebula Vault by Generous Gaming, rounded to two decimals for presentation. The corresponding displayed theoretical house edge is 4.02%; neither figure predicts one session.
At the two-decimal display precision, novaburst has the highest displayed RTP at 96.05%. starpulse has the lowest displayed RTP at 95.96%.
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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Generous Gaming has 6 games in the catalogue with a median base RTP of 96.25%. Nebula Vault ranks #4 of 5 rated titles from this studio.
Version 3, first recorded by RTP Ledger on 2026-09-11. No version change has been recorded since tracking began.
The catalogue keeps 1 published version of Nebula Vault. 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 |
|---|---|---|---|---|---|
| v3 | 95.98% | — | 8 | Active | 2026-09-11 |