Castle of Ymir
98%
RTP
10,000x
Max Win
Bonus buy options
- Bonus EnhancerFeature spin3x bet
- Silver Bonus SpinsFeature spin10x bet
- Mythic Bonus SpinsFeature spin25x bet
- Reels
- 6
- Rows
- 6
- Paylines (up to)
- 21
- Min Bet
- 0.1
- Max Bet
- 1000
- Release Date
- April 14, 2026
A Stake Engine title, so there is no maker demo to embed here. On Stake it can be played without an account as Demo (Fun Play).
About this Slot
Castle of Ymir is a winter fantasy slot from Valkyrie with six reels, six rows and 21 paylines. It has an RTP of 98%, high volatility and a maximum win of 10,000x stake.
The Ice Wall is a free spins round triggered by three scatters. It begins with one wild symbol on the bottom row and adds one wild per spin, ending when wilds reach the top row. A hammer symbol removes the current top row of wilds during this round.
Ymir's Fortress is a free spins round triggered by four scatters. It starts with four wild symbols on the first spin and adds one wild per spin thereafter, also ending when wilds reach the top row.
Silver Secret Bonus is triggered by landing two blue hammers. It starts with a 3x global multiplier applied to all wins.
Mythic Secret Bonus is triggered by landing two gold hammers. It starts with a 10x global multiplier applied to all wins.
Three bonus buy options are available. Bonus Enhancer costs 3x the bet and makes bonus features five times more likely to trigger. Silver Bonus Spins costs 10x the bet and guarantees entry to either the Silver Secret Bonus or Mythic Secret Bonus. Mythic Bonus Spins costs 25x the bet and guarantees entry to Mythic Secret Bonus.
Castle of Ymir Community RTP
Real RTP estimated from rounds contributed by the community, across all uploaders.
Not enough contributed rounds yet for a reliable community RTP estimate.
At least 23,327 more rounds until this slot has a reliable RTP measurement.
Castle of Ymir RTP Calculator
Castle of Ymir has a theoretical RTP of 98%. Its volatility is High, so expect long dry spells punctuated by rare, large multipliers. Its win potential is capped at 10,000x your stake. Use the calculator below to estimate your expected return, variance range and risk of ruin over any number of spins.
Castle of Ymir Variance Simulator
Castle of Ymir sessions can swing far from its 98% average - its volatility is rated High. The simulator runs many virtual bankroll runs to estimate the bust rate, typical drawdown and best/worst outcomes over a set number of spins - compare a cautious bankroll against an aggressive one.
All Wins
No wins on this slot yet.
Play on Stake*
Frequently asked questions about Castle of Ymir
An RTP of 98% means Castle of Ymir is built to pay back around 98 for every 100 wagered over millions of spins. Any single session can land far above or below that - use the RTP calculator on this page to model your own bet size and spin count.
Over the long run Castle of Ymir's house edge is about 2% of everything you wager - roughly 2 lost per 100 staked. Short sessions vary widely; the calculator above shows the expected loss and variance range for your inputs.
Quite a lot. Because wins cluster around rare big hits, your balance can move far from the 98% average in either direction. The variance simulator above shows typical drawdowns, bust rate and best/worst outcomes for your bankroll.
It depends on your bet size and how long you want to play Castle of Ymir. Use the variance simulator above to test a cautious versus an aggressive bankroll and see how often each survives your target number of spins.
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