The Stake Engine catalogue checked 2026-09-26 does not identify a separate base RTP for Mission Uncrossable Chicken by Monstrums. RTP Ledger therefore leaves the base value unknown and lists the 75 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, 2 modes share the highest displayed RTP of 97.28%: easy 6 and easy 9. 2 modes share the lowest displayed RTP of 96.6%: easy 2 and easy 4. The difference between the displayed extremes is 0.68 percentage points.
| Mode | Type | Published RTP | House edge | Reported events |
|---|---|---|---|---|
| easy 1 | Other feature or mode | 96.96% | 3.04% | 25 |
| easy 2 | Other feature or mode | 96.6% | 3.4% | 25 |
| easy 3 | Other feature or mode | 96.8% | 3.2% | 25 |
| easy 4 | Other feature or mode | 96.6% | 3.4% | 25 |
| easy 5 | Other feature or mode | 96.8% | 3.2% | 5 |
| easy 6 | Other feature or mode | 97.28% | 2.72% | 25 |
| easy 7 | Other feature or mode | 97.2% | 2.8% | 25 |
| easy 8 | Other feature or mode | 97.24% | 2.76% | 25 |
| easy 9 | Other feature or mode | 97.28% | 2.72% | 25 |
| easy 10 | Other feature or mode | 97.2% | 2.8% | 5 |
| easy 11 | Other feature or mode | 96.88% | 3.12% | 25 |
| easy 12 | Other feature or mode | 97.24% | 2.76% | 25 |
| easy 13 | Other feature or mode | 96.96% | 3.04% | 25 |
| easy 14 | Other feature or mode | 96.8% | 3.2% | 25 |
| easy 15 | Other feature or mode | 96.8% | 3.2% | 5 |
| easy 16 | Other feature or mode | 96.84% | 3.16% | 25 |
| easy 17 | Other feature or mode | 96.96% | 3.04% | 25 |
| easy 18 | Other feature or mode | 96.88% | 3.12% | 25 |
| easy 19 | Other feature or mode | 96.96% | 3.04% | 25 |
| easy 20 | Other feature or mode | 97% | 3% | 5 |
| easy 21 | Other feature or mode | 96.96% | 3.04% | 25 |
| easy 22 | Other feature or mode | 96.96% | 3.04% | 25 |
| easy 23 | Other feature or mode | 96.96% | 3.04% | 25 |
| easy 24 | Other feature or mode | 97% | 3% | 25 |
| medium 1 | Other feature or mode | 96.8% | 3.2% | 25 |
| medium 2 | Other feature or mode | 97.02% | 2.98% | 100 |
| medium 3 | Other feature or mode | 97.09% | 2.91% | 115 |
| medium 4 | Other feature or mode | 97.15% | 2.85% | 230 |
| medium 5 | Other feature or mode | 97.15% | 2.85% | 115 |
| medium 6 | Other feature or mode | 96.9% | 3.1% | 2,300 |
| medium 7 | Other feature or mode | 96.86% | 3.14% | 575 |
| medium 8 | Other feature or mode | 96.97% | 3.03% | 115 |
| medium 9 | Other feature or mode | 96.9% | 3.1% | 115 |
| medium 10 | Other feature or mode | 96.93% | 3.07% | 460 |
| medium 11 | Other feature or mode | 97.01% | 2.99% | 575 |
| medium 12 | Other feature or mode | 96.99% | 3.01% | 1,150 |
| medium 13 | Other feature or mode | 96.99% | 3.01% | 115 |
| medium 14 | Other feature or mode | 96.99% | 3.01% | 460 |
| medium 15 | Other feature or mode | 96.99% | 3.01% | 115 |
| medium 16 | Other feature or mode | 97% | 3% | 575 |
| medium 17 | Other feature or mode | 97% | 3% | 575 |
| medium 18 | Other feature or mode | 97% | 3% | 460 |
| medium 19 | Other feature or mode | 97% | 3% | 115 |
| medium 20 | Other feature or mode | 97% | 3% | 230 |
| medium 21 | Other feature or mode | 97% | 3% | 575 |
| medium 22 | Other feature or mode | 97% | 3% | 2,300 |
| hard 1 | Other feature or mode | 96.8% | 3.2% | 5 |
| hard 2 | Other feature or mode | 96.9% | 3.1% | 30 |
| hard 3 | Other feature or mode | 97.15% | 2.85% | 115 |
| hard 4 | Other feature or mode | 96.9% | 3.1% | 2,530 |
| hard 5 | Other feature or mode | 96.88% | 3.12% | 8,855 |
| hard 6 | Other feature or mode | 96.95% | 3.05% | 8,855 |
| hard 7 | Other feature or mode | 96.92% | 3.08% | 1,265 |
| hard 8 | Other feature or mode | 97.02% | 2.98% | 3,795 |
| hard 9 | Other feature or mode | 97.01% | 2.99% | 1,265 |
| hard 10 | Other feature or mode | 96.99% | 3.01% | 230 |
| hard 11 | Other feature or mode | 96.99% | 3.01% | 345 |
| hard 12 | Other feature or mode | 96.99% | 3.01% | 1,610 |
| hard 13 | Other feature or mode | 97% | 3% | 805 |
| hard 14 | Other feature or mode | 97% | 3% | 115 |
| hard 15 | Other feature or mode | 97% | 3% | 1,265 |
| hard 16 | Other feature or mode | 97% | 3% | 1,265 |
| hard 17 | Other feature or mode | 97% | 3% | 3,795 |
| hard 18 | Other feature or mode | 97% | 3% | 2,530 |
| daredevil 1 | Other feature or mode | 97.2% | 2.8% | 5 |
| daredevil 2 | Other feature or mode | 96.95% | 3.05% | 20 |
| daredevil 3 | Other feature or mode | 96.93% | 3.07% | 460 |
| daredevil 4 | Other feature or mode | 97.01% | 2.99% | 2,530 |
| daredevil 5 | Other feature or mode | 96.99% | 3.01% | 230 |
| daredevil 6 | Other feature or mode | 96.99% | 3.01% | 460 |
| daredevil 7 | Other feature or mode | 97% | 3% | 8,740 |
| daredevil 8 | Other feature or mode | 97% | 3% | 2,185 |
| daredevil 9 | Other feature or mode | 97% | 3% | 37,145 |
| daredevil 10 | Other feature or mode | 97% | 3% | 297,156 |
| daredevil 11 | Other feature or mode | 97% | 3% | 297,156 |
RTP Ledger checked Stake Engine (fair.stake-engine.com) on 2026-09-26. 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 Mission Uncrossable Chicken by Monstrums. RTP Ledger lists each published mode and leaves the base RTP unknown.
At the two-decimal display precision, 2 modes share the highest displayed RTP of 97.28%: easy 6 and easy 9. 2 modes share the lowest displayed RTP of 96.6%: easy 2 and easy 4.
RTP Ledger uses the mode RTP values and reported event counts in the Stake Engine catalogue snapshot dated 2026-09-26. 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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5savePublisher-supplied campaign code. It does not confirm bonus eligibility or terms.
Monstrums has 5 games in the catalogue.
Version 4, first recorded by RTP Ledger on 2026-09-11. No version change has been recorded since tracking began.
The catalogue keeps 1 published version of Mission Uncrossable Chicken. The catalogue does not date its versions; the last column shows when RTP Ledger first recorded a version as active. All Stake Engine moves are listed on the RTP changes page.
| Version | Base RTP | Best buy RTP | Modes | Status | First recorded by RTP Ledger |
|---|---|---|---|---|---|
| v4 | — | — | 75 | Active | 2026-09-11 |