Tommy Guns slot: RTP and max win
Tommy Guns is a high-volatility slot by Butter on Stake Engine, released 8 Sep 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% of them. The top payout is 12,501× the bet; from a base spin it lands about once every 17,732,537 spins. It has 4 bonus buys priced at 100× to 200× the bet; the best returns 96.70%, so each buy costs 3.30× the bet on average over the long run. It is the No. 170 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 v172. "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× | 96.70% | 12,501× | 1 in 17,732,537 | 1 in 3.22 | 1 in 42 | 0.03× base | Simulate |
| Double Chance | Boosted spin | 3.00× | 96.70% | 12,501× | 1 in 11,383,427 | 1 in 56 | 1 in 60 | 0.10× base | Simulate |
| Bonus | Bonus buy | 100× | 96.70% | 12,501× | 1 in 55,000 | – | 1 in 6.36 | 3.30× base | Simulate |
| Tommy Feature | Bonus buy | 100× | 96.70% | 12,501× | 1 in 1,250 | 1 in 49 | 1 in 49 | 3.30× base | Simulate |
| Random Bonus | Bonus buy | 200× | 96.70% | 12,501× | 1 in 125,000 | – | 1 in 4.56 | 6.61× base | Simulate |
| Super Bonus | Bonus buy | 200× | 96.70% | 12,501× | 1 in 55,000 | – | 1 in 5.38 | 6.61× base | Simulate |
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 | |
|---|---|---|
| v172 | 96.700% | Active |
| v161 | 96.700% |
Frequently asked
What is the RTP of Tommy Guns?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 172. All 4 of its bonus buys return 96.70%.
What is the max win in Tommy Guns and how likely is it?
The top payout is 12,501× the base bet. On a base spin it lands 1 in 17,732,537 spins. In the Tommy Feature buy (100×) 12,501× lands 1 in 1,250 buys.
Does Tommy Guns have a bonus buy, and what does it cost?
Yes, 4 buy modes. Bonus: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Tommy Feature: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Random Bonus: 200× the base bet, 96.70% RTP, an expected cost of 6.61× the base bet per buy. Super Bonus: 200× the base bet, 96.70% RTP, an expected cost of 6.61× the base bet per buy.
Is Tommy Guns high or low volatility?
High. Its base-mode standard deviation is 34.6× 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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