Double Barrel slot: RTP and max win
Double Barrel is a medium-volatility slot by ICIQ on Stake Engine, released 7 Jul 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 25,000× the bet, bigger than 81% of Engine slots; from a base spin it lands about once every 2,000,000 spins. It has 4 bonus buys priced at 60× to 200× the bet; the best returns 96.00%, so each buy costs 2.40× the bet on average over the long run. It is the No. 6357 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 v4. "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× | 96.00% | 25,000× | 1 in 2,000,000 | 1 in 8.37 | 1 in 8.93 | 0.04× base | Simulate |
| Powder Boost | Boosted spin | 3.00× | 96.00% | 25,000× | 1 in 2,000,000 | 1 in 4.86 | 1 in 5.50 | 0.12× base | Simulate |
| Cannon Barrage | Bonus buy | 60× | 96.00% | 13,089× | 1 in 2,000,000 | – | 1 in 2.11 | 2.40× base | Simulate |
| Cannon Fuse | Bonus buy | 100× | 96.00% | 25,000× | 1 in 1,200 | – | 1 in 4.25 | 4.00× base | Simulate |
| Whole Hog | Bonus buy | 150× | 96.00% | 25,000× | 1 in 567,840 | – | 1 in 4.49 | 6.00× base | Simulate |
| Heavy Siege | Bonus buy | 200× | 96.00% | 25,000× | 1 in 2,000,000 | – | 1 in 3.24 | 8.00× base | Simulate |
Work out the cost of Double Barrel 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 | |
|---|---|---|
| v4 | 96.000% | Active |
Frequently asked
What is the RTP of Double Barrel?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 4. All 4 of its bonus buys return 96.00%.
What is the max win in Double Barrel and how likely is it?
The top payout is 25,000× the base bet. On a base spin it lands 1 in 2,000,000 spins. In the Cannon Barrage buy (60×) 13,089× lands 1 in 2,000,000 buys.
Does Double Barrel have a bonus buy, and what does it cost?
Yes, 4 buy modes. Cannon Barrage: 60× the base bet, 96.00% RTP, an expected cost of 2.40× the base bet per buy. Cannon Fuse: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Whole Hog: 150× the base bet, 96.00% RTP, an expected cost of 6.00× the base bet per buy. Heavy Siege: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy.
Is Double Barrel high or low volatility?
Medium. Its base-mode standard deviation is 18.0× 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.
Slots with similar math to Double Barrel
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Beach DegenBlackbox Studios RTP96.00%Max win25,000×Volatility
Shrimp GainsArctic RTP96.00%Max win25,000×Volatility
Bramble HexwoodOddBox Studio RTP96.00%Max win25,000×Volatility
MONEY HAWK PRO STAKERGumble RTP96.00%Max win25,000×Volatility
Stupid DragonRat Hole Reels RTP96.00%Max win25,000×Volatility
Forest ChantGoldexa Games RTP96.00%Max win25,000×Volatility