The RTP Ledger snapshot of the Stake Engine catalogue checked 2026-08-19 displays Galaxy Plinko by Zonko Labs at 98.5% base RTP, rounded to two decimal places for presentation and equivalent to a 1.5% displayed theoretical house edge. RTP Ledger lists 55 published modes separately; the figures do not predict one session or establish a live casino configuration.
At 98.5%, the theoretical long-run cost is $1.50 per $100 wagered. The base RTP is higher than 99.9% of the 2,830 other Stake Engine games with a base figure. The base RTP is 2.50 percentage points above the median for the compared Stake Engine games.
At the two-decimal display precision, 41 modes share the highest displayed RTP of 98.5%: base, BASE 10, and BASE 100 and 38 more. EXTREME10K 100 has the lowest displayed RTP at 95.05%. The difference between the displayed extremes is 3.45 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 |
|---|---|---|---|---|
| low | Other feature or mode | 98.5% | 1.5% | 300,000 |
| low special | Other feature or mode | 98.5% | 1.5% | 300,000 |
| base | Base game | 98.5% | 1.5% | 300,000 |
| base special | Other feature or mode | 98.5% | 1.5% | 300,000 |
| high1k | Other feature or mode | 98.5% | 1.5% | 300,000 |
| high1k special | Other feature or mode | 98.5% | 1.5% | 300,000 |
| expert5k | Other feature or mode | 98.5% | 1.5% | 300,000 |
| expert5k special | Other feature or mode | 98.5% | 1.5% | 300,000 |
| extreme10k | Other feature or mode | 98.5% | 1.5% | 300,000 |
| extreme special | Other feature or mode | 98.44% | 1.56% | 300,000 |
| dark hole | Other feature or mode | 98.48% | 1.52% | 300,000 |
| LOW 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| LOW 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| LOW 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| LOW 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| LOW SPECIAL 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| LOW SPECIAL 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| LOW SPECIAL 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| LOW SPECIAL 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| BASE 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| BASE 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| BASE 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| BASE 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| BASE SPECIAL 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| BASE SPECIAL 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| BASE SPECIAL 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| BASE SPECIAL 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| HIGH1K 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| HIGH1K 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| HIGH1K 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| HIGH1K 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| HIGH1K SPECIAL 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| HIGH1K SPECIAL 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| HIGH1K SPECIAL 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| HIGH1K SPECIAL 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| EXPERT5K 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| EXPERT5K 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| EXPERT5K 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| EXPERT5K 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| EXPERT5K SPECIAL 10 | Other feature or mode | 98.5% | 1.5% | 120,000 |
| EXPERT5K SPECIAL 25 | Other feature or mode | 98.5% | 1.5% | 108,000 |
| EXPERT5K SPECIAL 50 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| EXPERT5K SPECIAL 100 | Other feature or mode | 98.5% | 1.5% | 102,000 |
| EXTREME10K 10 | Other feature or mode | 98.48% | 1.52% | 120,000 |
| EXTREME10K 25 | Other feature or mode | 98.47% | 1.53% | 108,000 |
| EXTREME10K 50 | Other feature or mode | 98.45% | 1.55% | 102,000 |
| EXTREME10K 100 | Other feature or mode | 95.05% | 4.95% | 102,000 |
| EXTREME SPECIAL 10 | Other feature or mode | 98.44% | 1.56% | 120,000 |
| EXTREME SPECIAL 25 | Other feature or mode | 98.43% | 1.57% | 108,000 |
| EXTREME SPECIAL 50 | Other feature or mode | 98.4% | 1.6% | 102,000 |
| EXTREME SPECIAL 100 | Other feature or mode | 98.33% | 1.67% | 102,000 |
| DARK HOLE 10 | Other feature or mode | 98.48% | 1.52% | 120,000 |
| DARK HOLE 25 | Other feature or mode | 98.47% | 1.53% | 108,000 |
| DARK HOLE 50 | Other feature or mode | 98.47% | 1.53% | 102,000 |
| DARK HOLE 100 | Other feature or mode | 98.46% | 1.54% | 102,000 |
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 98.5% base RTP for Galaxy Plinko by Zonko Labs, rounded to two decimals for presentation. The corresponding displayed theoretical house edge is 1.5%; neither figure predicts one session.
At the two-decimal display precision, 41 modes share the highest displayed RTP of 98.5%: base, BASE 10, and BASE 100 and 38 more. EXTREME10K 100 has the lowest displayed RTP at 95.05%.
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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Zonko Labs 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.