The RTP Ledger snapshot of the Stake Engine catalogue checked 2026-08-19 displays Duel for Cowgirl by AVA STUDIO at 95.38% base RTP, rounded to two decimal places for presentation and equivalent to a 4.62% displayed theoretical house edge. RTP Ledger lists 3 published modes separately; the figures do not predict one session or establish a live casino configuration.
At 95.38%, the theoretical long-run cost is $4.62 per $100 wagered. The base RTP is higher than 10.4% of the 2,830 other Stake Engine games with a base figure. The base RTP is 0.62 percentage points below the median for the compared Stake Engine games.
At the two-decimal display precision, SUPER BUY has the highest displayed RTP at 95.42%. BONUS BUY has the lowest displayed RTP at 95.37%. The difference between the displayed extremes is 0.05 percentage points.
The highest displayed RTP among modes with “buy” in the published name is 95.42%. The difference from the displayed base RTP is +0.04 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 | 95.38% | 4.62% | 20,000,000 |
| BONUS BUY | Mode name includes “buy” | 95.37% | 4.63% | 2,000,000 |
| SUPER BUY | Mode name includes “buy” | 95.42% | 4.58% | 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 95.38% base RTP for Duel for Cowgirl by AVA STUDIO, rounded to two decimals for presentation. The corresponding displayed theoretical house edge is 4.62%; neither figure predicts one session.
At the two-decimal display precision, SUPER BUY has the highest displayed RTP at 95.42%. BONUS BUY has the lowest displayed RTP at 95.37%.
The highest displayed RTP among modes with “buy” in the published name is 95.42%. The difference from the 95.38% displayed base RTP is +0.04 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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AVA STUDIO has 11 games in the catalogue with a median base RTP of 95.59%. Duel for Cowgirl ranks #10 of 11 rated titles from this studio.
Version 1, first recorded by RTP Ledger on 2026-08-19. No version change has been recorded since tracking began.