Bolt vs Brimstone slot: RTP and max win
Bolt vs Brimstone is a medium-volatility slot by Bro Games on Stake Engine, released 18 Sep 2026. The top payout is 25,000× the bet; from a base spin it lands about once every 8,000,000 spins. It has 8 bonus buys priced at 100× to 200× the bet; the best returns 95.50%, so each buy costs 4.50× the bet on average over the long run. It is the No. 2925 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 v2. "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× | 95.50% | 25,000× | 1 in 8,000,000 | 1 in 3.23 | 1 in 7.68 | 0.05× base | Simulate |
| Underworld | Base spin | 1.00× | 95.50% | 25,000× | 1 in 6,000,038 | 1 in 3.50 | 1 in 8.33 | 0.05× base | Simulate |
| Ante | Boosted spin | 1.25× | 95.50% | 25,000× | 1 in 6,000,006 | 1 in 3.23 | 1 in 7.68 | 0.06× base | Simulate |
| Ante Underworld | Boosted spin | 1.25× | 95.50% | 25,000× | 1 in 5,000,005 | 1 in 3.50 | 1 in 8.33 | 0.06× base | Simulate |
| Super Ante | Boosted spin | 1.50× | 95.50% | 25,000× | 1 in 5,000,005 | 1 in 3.23 | 1 in 7.68 | 0.07× base | Simulate |
| Super Ante Underworld | Boosted spin | 1.50× | 95.50% | 25,000× | 1 in 3,999,954 | 1 in 3.50 | 1 in 8.33 | 0.07× base | Simulate |
| Bonus | Bonus buy | 100× | 95.50% | 25,000× | 1 in 400,000 | – | 1 in 4.04 | 4.50× base | Simulate |
| Bonus Underworld | Bonus buy | 100× | 95.50% | 25,000× | 1 in 400,000 | – | 1 in 3.88 | 4.50× base | Simulate |
| Bonus Random | Bonus buy | 128× | 95.50% | 25,000× | 1 in 304,070 | – | 1 in 4.18 | 5.76× base | Simulate |
| Bonus Random Underworld | Bonus buy | 128× | 95.50% | 25,000× | 1 in 303,350 | – | 1 in 4.03 | 5.76× base | Simulate |
| Bonus Hellfire | Bonus buy | 150× | 95.50% | 25,000× | 1 in 200,000 | – | 1 in 3.95 | 6.75× base | Simulate |
| Bonus Super | Bonus buy | 150× | 95.50% | 25,000× | 1 in 200,000 | – | 1 in 4.23 | 6.75× base | Simulate |
| Bonus War | Bonus buy | 200× | 95.50% | 25,000× | 1 in 60,000 | – | 1 in 4.67 | 9.00× base | Simulate |
| Maxwin Ante | Bonus buy | 200× | 95.50% | 25,000× | 1 in 40,000 | 1 in 1.07 | 1 in 8.14 | 9.00× base | Simulate |
Work out the cost of Bolt vs Brimstone 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 | |
|---|---|---|
| v2 | 95.500% | Active |
Frequently asked
What is the RTP of Bolt vs Brimstone?
Base spins return 95.50% of the amount wagered over the long run, from the published outcome table for version 2. All 8 of its bonus buys return 95.50%.
What is the max win in Bolt vs Brimstone and how likely is it?
The top payout is 25,000× the base bet. On a base spin it lands 1 in 8,000,000 spins. In the Bonus buy (100×) 25,000× lands 1 in 400,000 buys.
Does Bolt vs Brimstone have a bonus buy, and what does it cost?
Yes, 8 buy modes. Bonus: 100× the base bet, 95.50% RTP, an expected cost of 4.50× the base bet per buy. Bonus Underworld: 100× the base bet, 95.50% RTP, an expected cost of 4.50× the base bet per buy. Bonus Random: 128× the base bet, 95.50% RTP, an expected cost of 5.76× the base bet per buy. Bonus Random Underworld: 128× the base bet, 95.50% RTP, an expected cost of 5.76× the base bet per buy. Bonus Hellfire: 150× the base bet, 95.50% RTP, an expected cost of 6.75× the base bet per buy. Bonus Super: 150× the base bet, 95.50% RTP, an expected cost of 6.75× the base bet per buy. Bonus War: 200× the base bet, 95.50% RTP, an expected cost of 9.00× the base bet per buy. Maxwin Ante: 200× the base bet, 95.50% RTP, an expected cost of 9.00× the base bet per buy.
Is Bolt vs Brimstone high or low volatility?
Medium. Its base-mode standard deviation is 16.5× the bet, which puts it in the middle 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.