Key Facts
Castle of Ymir is an online slot from Valkyrie with an RTP of 98.00%.
- Provider
- Valkyrie
- RTP
- 98.00%
Page updated August 2026
Real Play Data
StreamNeeds DataCastle of Ymir has been played 29 times across 29 live bonus hunts by streamers on the StreamNeeds network returning 100× the stake or more in 19 of 29 plays (66%) with a biggest recorded win of 1,281×.
- Times played
- 29
- Hit 100×+
- 66% (19/29)
- Biggest win
The Data
Method & full datasetCastle of Ymir has been opened 29 times in our recorded bonus hunts between 24 May 2026 and 30 Aug 2026; the median open returned 194× the bet, and 19 of 29 opens (66%) returned 100× or more; the biggest single result recorded was 1,281× the bet.
Every recorded open by result — 29 opens
- No win (0×)
- 0 (0%)
- Under 10×
- 0 (0%)
- 10–25×
- 1 (3%)
Across 29 recorded opens, the middle open on Castle of Ymir returned 194× the bet — 282% above the 50.8× middle open across our whole recorded dataset.
That is our recorded result over those opens, not a prediction — a slot's real maths only shows over millions of spins.
Where to Play Castle of Ymir
Spinchester
9.8
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Game Review
Reviewed by Johnessy
What Castle of Ymir has actually done in our bonus hunts
We have opened Castle of Ymir 29 times across 29 separate bonus hunts between 24 May 2026 and 30 Aug 2026 and recorded every result. Across those 29 opens the median result was 194× the bet, against 50.8× for every slot in our recorded dataset. The biggest single result we have recorded on it is 1,281×. 19 of those 29 opens were 100× or better. These figures describe only the sessions we recorded — they are not this slot's RTP and they do not predict what your next bonus will do.
Twenty-nine recorded opens, 66% at 100× or more — above the 29% dataset rate. Median 194× sits well above the 50.8× median; the best so far is 1,281×.
Castle of Ymir is an online slot from Valkyrie, with a published RTP of 98.00%.
RTP varies between casino configurations and markets, so check the information screen inside the version you are playing. A maximum-win figure is a theoretical ceiling, not a likely result. How these pages are researched and what the recorded play data does and does not show is set out in our editorial policy.
18+ only. Slot outcomes are random and past results do not make a win more likely — set a limit before you start.
Castle of Ymir FAQ
What is the RTP of Castle of Ymir?+
Castle of Ymir has an RTP (return to player) of 98.00%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Valkyrie — individual sessions can land far above or below it.
Who makes Castle of Ymir?+
Castle of Ymir is developed by Valkyrie.
Tech Specs
Specs compiled from provider data
