The Stake Engine catalogue checked 2026-08-19 does not identify a separate base RTP for Stack Rush by Raw Fun Gaming. RTP Ledger therefore leaves the base value unknown and lists the 61 published modes separately.
The catalogue does not identify a separate base return. RTP Ledger leaves the base return unknown. Use the mode table for the published values.
At the two-decimal display precision, expert 10 has the highest displayed RTP at 97.05%. 60 modes share the lowest displayed RTP of 97%: easy 1, easy 10, and easy 11 and 57 more. The difference between the displayed extremes is 0.05 percentage points.
| Mode | Type | Published RTP | House edge | Reported events |
|---|---|---|---|---|
| easy 1 | Other feature or mode | 97% | 3% | 3 |
| easy 2 | Other feature or mode | 97% | 3% | 3 |
| easy 3 | Other feature or mode | 97% | 3% | 3 |
| easy 4 | Other feature or mode | 97% | 3% | 3 |
| easy 5 | Other feature or mode | 97% | 3% | 3 |
| easy 6 | Other feature or mode | 97% | 3% | 3 |
| easy 7 | Other feature or mode | 97% | 3% | 3 |
| easy 8 | Other feature or mode | 97% | 3% | 3 |
| easy 9 | Other feature or mode | 97% | 3% | 3 |
| easy 10 | Other feature or mode | 97% | 3% | 3 |
| easy 11 | Other feature or mode | 97% | 3% | 3 |
| easy 12 | Other feature or mode | 97% | 3% | 3 |
| easy 13 | Other feature or mode | 97% | 3% | 3 |
| easy 14 | Other feature or mode | 97% | 3% | 3 |
| easy 15 | Other feature or mode | 97% | 3% | 3 |
| easy 16 | Other feature or mode | 97% | 3% | 3 |
| easy 17 | Other feature or mode | 97% | 3% | 3 |
| easy 18 | Other feature or mode | 97% | 3% | 3 |
| easy 19 | Other feature or mode | 97% | 3% | 3 |
| medium 1 | Other feature or mode | 97% | 3% | 3 |
| medium 2 | Other feature or mode | 97% | 3% | 3 |
| medium 3 | Other feature or mode | 97% | 3% | 3 |
| medium 4 | Other feature or mode | 97% | 3% | 3 |
| medium 5 | Other feature or mode | 97% | 3% | 3 |
| medium 6 | Other feature or mode | 97% | 3% | 3 |
| medium 7 | Other feature or mode | 97% | 3% | 3 |
| medium 8 | Other feature or mode | 97% | 3% | 3 |
| medium 9 | Other feature or mode | 97% | 3% | 3 |
| medium 10 | Other feature or mode | 97% | 3% | 3 |
| medium 11 | Other feature or mode | 97% | 3% | 3 |
| medium 12 | Other feature or mode | 97% | 3% | 3 |
| medium 13 | Other feature or mode | 97% | 3% | 3 |
| medium 14 | Other feature or mode | 97% | 3% | 3 |
| medium 15 | Other feature or mode | 97% | 3% | 3 |
| medium 16 | Other feature or mode | 97% | 3% | 3 |
| medium 17 | Other feature or mode | 97% | 3% | 3 |
| hard 1 | Other feature or mode | 97% | 3% | 3 |
| hard 2 | Other feature or mode | 97% | 3% | 3 |
| hard 3 | Other feature or mode | 97% | 3% | 3 |
| hard 4 | Other feature or mode | 97% | 3% | 3 |
| hard 5 | Other feature or mode | 97% | 3% | 3 |
| hard 6 | Other feature or mode | 97% | 3% | 3 |
| hard 7 | Other feature or mode | 97% | 3% | 3 |
| hard 8 | Other feature or mode | 97% | 3% | 3 |
| hard 9 | Other feature or mode | 97% | 3% | 3 |
| hard 10 | Other feature or mode | 97% | 3% | 3 |
| hard 11 | Other feature or mode | 97% | 3% | 3 |
| hard 12 | Other feature or mode | 97% | 3% | 3 |
| hard 13 | Other feature or mode | 97% | 3% | 3 |
| hard 14 | Other feature or mode | 97% | 3% | 3 |
| hard 15 | Other feature or mode | 97% | 3% | 3 |
| expert 1 | Other feature or mode | 97% | 3% | 3 |
| expert 2 | Other feature or mode | 97% | 3% | 3 |
| expert 3 | Other feature or mode | 97% | 3% | 3 |
| expert 4 | Other feature or mode | 97% | 3% | 3 |
| expert 5 | Other feature or mode | 97% | 3% | 3 |
| expert 6 | Other feature or mode | 97% | 3% | 3 |
| expert 7 | Other feature or mode | 97% | 3% | 3 |
| expert 8 | Other feature or mode | 97% | 3% | 3 |
| expert 9 | Other feature or mode | 97% | 3% | 3 |
| expert 10 | Other feature or mode | 97.05% | 2.95% | 3 |
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.
The Stake Engine catalogue does not identify a separate base-game RTP for Stack Rush by Raw Fun Gaming. RTP Ledger lists each published mode and leaves the base RTP unknown.
At the two-decimal display precision, expert 10 has the highest displayed RTP at 97.05%. 60 modes share the lowest displayed RTP of 97%: easy 1, easy 10, and easy 11 and 57 more.
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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Raw Fun Gaming has 5 games in the catalogue with a median base RTP of 96%.
Version 1, first recorded by RTP Ledger on 2026-08-19. No version change has been recorded since tracking began.