The RTP Ledger snapshot of the Stake Engine catalogue checked 2026-08-19 displays Prison Escape by Double Down Gaming at 96.02% base RTP, rounded to two decimal places for presentation and equivalent to a 3.98% displayed theoretical house edge. RTP Ledger lists 6 published modes separately; the figures do not predict one session or establish a live casino configuration.
At 96.02%, the theoretical long-run cost is $3.98 per $100 wagered. The base RTP is higher than 58.3% of the 2,830 other Stake Engine games with a base figure. The base RTP is 0.02 percentage points above the median for the compared Stake Engine games.
At the two-decimal display precision, bonus has the highest displayed RTP at 96.04%. 2 modes share the lowest displayed RTP of 96%: extreme and feature. The difference between the displayed extremes is 0.04 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 | 96.02% | 3.98% | 2,000,000 |
| feature | Other feature or mode | 96% | 4% | 2,000,000 |
| ante | Other feature or mode | 96.01% | 3.99% | 2,000,000 |
| bonus | Other feature or mode | 96.04% | 3.96% | 1,000,000 |
| superbonus | Other feature or mode | 96.02% | 3.98% | 1,000,000 |
| extreme | Other feature or mode | 96% | 4% | 2,000,000 |
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 96.02% base RTP for Prison Escape by Double Down Gaming, rounded to two decimals for presentation. The corresponding displayed theoretical house edge is 3.98%; neither figure predicts one session.
At the two-decimal display precision, bonus has the highest displayed RTP at 96.04%. 2 modes share the lowest displayed RTP of 96%: extreme and feature.
RTP Ledger uses the mode RTP values and reported event counts in the Stake Engine catalogue snapshot dated 2026-08-19. 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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Double Down Gaming has fewer than five catalogue records, so RTP Ledger keeps its studio profile inside the complete games list instead of a separate page.
Version 13, first recorded by RTP Ledger on 2026-08-19. No version change has been recorded since tracking began.