SIR FUSION 100K slot: RTP and max win
SIR FUSION 100K is a high-volatility slot by Ryvex games on Stake Engine, released 6 Oct 2026. Its base game returns 93.40%, below the median Engine slot (96.02%). The top payout is 100,000× the bet, bigger than 100% of Engine slots; from a base spin it lands about once every 9,645,609 spins. It has 4 bonus buys priced at 155× to 1,070× the bet; the best returns 93.40%, so each buy costs 10× the bet on average over the long run. It is the No. 720 most played Engine slot over the last 30 days.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v1. "Returns the cost" counts rounds that pay back at least what the mode cost. Expected cost is cost × (1 − RTP): the average amount lost per round over the long run.
| Mode | Type | Cost | RTP | Max win | Max win odds | Pays anything | Returns the cost | Expected cost per round | |
|---|---|---|---|---|---|---|---|---|---|
| Base | Base spin | 1.00× | 93.40% | 100,000× | 1 in 9,645,609 | 1 in 4.29 | 1 in 8.75 | 0.07× base | Simulate |
| Fiole | Boosted spin | 1.50× | 93.40% | 100,000× | 1 in 6,029,630 | 1 in 4.43 | 1 in 6.21 | 0.10× base | Simulate |
| Chasse | Boosted spin | 3.00× | 93.40% | 100,000× | 1 in 1,929,121 | 1 in 3.94 | 1 in 18 | 0.20× base | Simulate |
| Experience | Bonus buy | 155× | 93.40% | 100,000× | 1 in 57,563 | – | 1 in 5.83 | 10.23× base | Simulate |
| Mystere | Bonus buy | 210× | 93.40% | 100,000× | 1 in 42,487 | 1 in 1.30 | 1 in 7.25 | 13.86× base | Simulate |
| Mutation | Bonus buy | 500× | 93.40% | 100,000× | 1 in 17,844 | – | 1 in 5.67 | 33.00× base | Simulate |
| Fusion | Bonus buy | 1,070× | 93.40% | 100,000× | 1 in 8,339 | – | 1 in 4.54 | 70.62× base | Simulate |
Work out the cost of SIR FUSION 100K bonus buys at your bet size
Version history
Base-mode RTP per published math version. Older versions stay public in the fairness API, so changes can be checked.
| Version | Base RTP | |
|---|---|---|
| v1 | 93.400% | Active |
Frequently asked
What is the RTP of SIR FUSION 100K?
Base spins return 93.40% of the amount wagered over the long run, from the published outcome table for version 1. All 4 of its bonus buys return 93.40%.
What is the max win in SIR FUSION 100K and how likely is it?
The top payout is 100,000× the base bet. On a base spin it lands 1 in 9,645,609 spins. In the Experience buy (155×) 100,000× lands 1 in 57,563 buys.
Does SIR FUSION 100K have a bonus buy, and what does it cost?
Yes, 4 buy modes. Experience: 155× the base bet, 93.40% RTP, an expected cost of 10.23× the base bet per buy. Mystere: 210× the base bet, 93.40% RTP, an expected cost of 13.86× the base bet per buy. Mutation: 500× the base bet, 93.40% RTP, an expected cost of 33.00× the base bet per buy. Fusion: 1,070× the base bet, 93.40% RTP, an expected cost of 70.62× the base bet per buy.
Is SIR FUSION 100K high or low volatility?
High. Its base-mode standard deviation is 49.8× the bet, which puts it in the highest third of Engine games. What volatility means.
Can I check that a result was fair?
Yes. Engine games use provably fair seeds. Once your server seed is revealed you can replay any round against the published outcome table. See how to verify a result.
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