Solar Storm slot: RTP and max win
Solar Storm is a low-volatility slot by GM Studio on Stake Engine, released 25 Oct 2026. Its base game returns 96.50%, above the median Engine slot (96.02%) and higher than 82% of them. The top payout is 10,000× the bet; from a base spin it lands about once every 10,000,015 spins. It has 4 bonus buys priced at 100× to 500× the bet; the best returns 96.50%, so each buy costs 3.50× the bet on average over the long run. It is the No. 2287 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 v5. "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× | 96.50% | 10,000× | 1 in 10,000,015 | 1 in 2.77 | 1 in 8.82 | 0.03× base | Simulate |
| Supernova | Boosted spin | 1.25× | 96.51% | 10,000× | 1 in 8,000,024 | 1 in 2.84 | 1 in 12 | 0.04× base | Simulate |
| Dark Energy | Bonus buy | 100× | 96.50% | 10,000× | 1 in 100,000 | – | 1 in 3.10 | 3.50× base | Simulate |
| Quasars | Bonus buy | 120× | 96.50% | 10,000× | 1 in 83,333 | – | 1 in 3.01 | 4.20× base | Simulate |
| Rogue Planets | Bonus buy | 150× | 96.50% | 10,000× | 1 in 66,667 | – | 1 in 3.06 | 5.25× base | Simulate |
| Supernova Bonus | Bonus buy | 500× | 96.50% | 10,000× | 1 in 40,000 | – | 1 in 3.93 | 17.50× base | Simulate |
Work out the cost of Solar Storm 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 | |
|---|---|---|
| v5 | 96.501% | Active |
Frequently asked
What is the RTP of Solar Storm?
Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 5. All 4 of its bonus buys return 96.50%.
What is the max win in Solar Storm and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 10,000,015 spins. In the Dark Energy buy (100×) 10,000× lands 1 in 100,000 buys.
Does Solar Storm have a bonus buy, and what does it cost?
Yes, 4 buy modes. Dark Energy: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Quasars: 120× the base bet, 96.50% RTP, an expected cost of 4.20× the base bet per buy. Rogue Planets: 150× the base bet, 96.50% RTP, an expected cost of 5.25× the base bet per buy. Supernova Bonus: 500× the base bet, 96.50% RTP, an expected cost of 17.50× the base bet per buy.
Is Solar Storm high or low volatility?
Low. Its base-mode standard deviation is 12.1× the bet, which puts it in the lowest 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.
Slots with similar math to Solar Storm
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Divine StormPepperoni RTP96.50%Max win10,000×Volatility
PaperMiniMax RTP96.50%Max win10,000×Volatility
Realm Of FortuneRJ Studios RTP96.50%Max win10,000×Volatility
Kraken DepthsRocka Studios RTP96.50%Max win10,000×Volatility
Lucky InkWildstyle Studios RTP96.50%Max win10,000×Volatility
Swole GorillaFat Cat King Studios RTP96.50%Max win10,000×Volatility