BLAST SHAFT slot: RTP and max win
BLAST SHAFT is a low-volatility slot by MINEWIN on Stake Engine, released 28 Oct 2026. The top payout is 6,582× the bet. It has 7 bonus buys priced at 30× to 1,000× the bet; the best returns 96.20%, so each buy costs 1.14× the bet on average over the long run. It is the No. 1542 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 | |
|---|---|---|---|---|---|---|---|---|---|
| High | Base spin | 1.00× | 96.22% | 2,400× | 1 in 1,652,159 | every round | 1 in 3.11 | 0.04× base | Simulate |
| Low | Base spin | 1.00× | 96.19% | 310× | 1 in 1,183,084 | every round | 1 in 3.11 | 0.04× base | Simulate |
| Medium | Base spin | 1.00× | 96.18% | 1,100× | 1 in 1,183,084 | every round | 1 in 3.11 | 0.04× base | Simulate |
| High X3 | Boosted spin | 3.00× | 96.22% | 591× | 1 in 50,000 | – | 1 in 4.79 | 0.11× base | Simulate |
| Low X3 | Boosted spin | 3.00× | 96.19% | 84× | 1 in 50,000 | – | 1 in 3.66 | 0.11× base | Simulate |
| Medium X3 | Boosted spin | 3.00× | 96.18% | 311× | 1 in 50,000 | – | 1 in 2.97 | 0.11× base | Simulate |
| High X5 | Boosted spin | 5.00× | 96.22% | 593× | 1 in 50,000 | – | 1 in 3.93 | 0.19× base | Simulate |
| Low X5 | Boosted spin | 5.00× | 96.19% | 87× | 1 in 50,000 | – | 1 in 3.39 | 0.19× base | Simulate |
| Medium X5 | Boosted spin | 5.00× | 96.18% | 314× | 1 in 50,000 | – | 1 in 3.24 | 0.19× base | Simulate |
| Dig Caverns | Boosted spin | 10× | 96.20% | 2,400× | 1 in 19,065 | every round | 1 in 6.98 | 0.38× base | Simulate |
| High X10 | Boosted spin | 10× | 96.22% | 596× | 1 in 40,000 | – | 1 in 3.79 | 0.38× base | Simulate |
| Low X10 | Boosted spin | 10× | 96.19% | 95× | 1 in 40,000 | – | 1 in 3.05 | 0.38× base | Simulate |
| Medium X10 | Boosted spin | 10× | 96.18% | 325× | 1 in 40,000 | – | 1 in 3.25 | 0.38× base | Simulate |
| Dig Caverns X3 | Bonus buy | 30× | 96.20% | 2,431× | 1 in 50,000 | – | 1 in 3.71 | 1.14× base | Simulate |
| Dig Caverns X5 | Bonus buy | 50× | 96.20% | 2,549× | 1 in 50,000 | – | 1 in 3.84 | 1.90× base | Simulate |
| Dig Caverns X10 | Bonus buy | 100× | 96.20% | 2,742× | 1 in 40,000 | – | 1 in 3.80 | 3.80× base | Simulate |
| Dig Nether | Bonus buy | 100× | 96.20% | 2,100× | 1 in 158 | 1 in 1.32 | 1 in 6.85 | 3.80× base | Simulate |
| Dig Nether X3 | Bonus buy | 300× | 96.20% | 4,277× | 1 in 16,667 | 1 in 1.01 | 1 in 3.81 | 11.40× base | Simulate |
| Dig Nether X5 | Bonus buy | 500× | 96.20% | 4,564× | 1 in 50,000 | every round | 1 in 3.88 | 18.99× base | Simulate |
| Dig Nether X10 | Bonus buy | 1,000× | 96.20% | 6,582× | 1 in 40,000 | – | 1 in 3.08 | 37.99× base | Simulate |
Work out the cost of BLAST SHAFT 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 | 96.219% | Active |
Frequently asked
What is the RTP of BLAST SHAFT?
Base spins return 96.22% of the amount wagered over the long run, from the published outcome table for version 1. All 7 of its bonus buys return 96.20%.
What is the max win in BLAST SHAFT and how likely is it?
The top payout is 6,582× the base bet. On a base spin the top payout of 2,400× lands 1 in 1,652,159 spins. In the Dig Caverns X3 buy (30×) 2,431× lands 1 in 50,000 buys.
Does BLAST SHAFT have a bonus buy, and what does it cost?
Yes, 7 buy modes. Dig Caverns X3: 30× the base bet, 96.20% RTP, an expected cost of 1.14× the base bet per buy. Dig Caverns X5: 50× the base bet, 96.20% RTP, an expected cost of 1.90× the base bet per buy. Dig Caverns X10: 100× the base bet, 96.20% RTP, an expected cost of 3.80× the base bet per buy. Dig Nether: 100× the base bet, 96.20% RTP, an expected cost of 3.80× the base bet per buy. Dig Nether X3: 300× the base bet, 96.20% RTP, an expected cost of 11.40× the base bet per buy. Dig Nether X5: 500× the base bet, 96.20% RTP, an expected cost of 18.99× the base bet per buy. Dig Nether X10: 1,000× the base bet, 96.20% RTP, an expected cost of 37.99× the base bet per buy.
Is BLAST SHAFT high or low volatility?
Low. Its base-mode standard deviation is 4.4× 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.