The Stake Engine catalogue checked 2026-08-19 does not identify a separate base RTP for Golden Ball Bingo by Astir Gaming Studio. RTP Ledger therefore leaves the base value unknown and lists the 4 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, bonus golden has the highest displayed RTP at 96.06%. base 3x3 has the lowest displayed RTP at 95.6%. The difference between the displayed extremes is 0.46 percentage points.
| Mode | Type | Published RTP | House edge | Reported events |
|---|---|---|---|---|
| base 3x3 | Other feature or mode | 95.6% | 4.4% | 1,000,000 |
| base 4x4 | Other feature or mode | 95.76% | 4.24% | 1,000,000 |
| base 5x5 | Other feature or mode | 95.96% | 4.04% | 1,000,000 |
| bonus golden | Other feature or mode | 96.06% | 3.94% | 1,000,000 |
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.
The Stake Engine catalogue does not identify a separate base-game RTP for Golden Ball Bingo by Astir Gaming Studio. RTP Ledger lists each published mode and leaves the base RTP unknown.
At the two-decimal display precision, bonus golden has the highest displayed RTP at 96.06%. base 3x3 has the lowest displayed RTP at 95.6%.
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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Astir Gaming Studio has fewer than five catalogue records, so RTP Ledger keeps its studio profile inside the complete games list instead of a separate page.
Version 2, first recorded by RTP Ledger on 2026-08-19. No version change has been recorded since tracking began.