Sparky’s Lucky Lines slot: RTP and max win
Sparky’s Lucky Lines is a medium-volatility slot by Laser Pvp on Stake Engine, released 2 Apr 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 15,000× the bet, bigger than 50% of Engine slots; from a base spin it lands about once every 14,954,168 spins. It has 2 bonus buys priced at 300× to 2,000× the bet; the best returns 96.00%, so each buy costs 12× the bet on average over the long run. It is the No. 5651 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% | 15,000× | 1 in 14,954,168 | 1 in 3.73 | 1 in 7.54 | 0.04× base | Simulate |
| Enhanced | Boosted spin | 5.00× | 96.00% | 15,000× | 1 in 103,365 | 1 in 1.32 | 1 in 10 | 0.20× base | Simulate |
| Bonus | Bonus buy | 300× | 96.00% | 15,000× | 1 in 2,208,239 | – | 1 in 4.93 | 12.00× base | Simulate |
| Super Bonus | Bonus buy | 2,000× | 96.00% | 15,000× | 1 in 14,999,845 | – | 1 in 3.42 | 80.00× base | Simulate |
Work out the cost of Sparky’s Lucky Lines 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 | 96.004% | Active |
| v3 | 96.000% |
Frequently asked
What is the RTP of Sparky’s Lucky Lines?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 4. All 2 of its bonus buys return 96.00%.
What is the max win in Sparky’s Lucky Lines and how likely is it?
The top payout is 15,000× the base bet. On a base spin it lands 1 in 14,954,168 spins. In the Bonus buy (300×) 15,000× lands 1 in 2,208,239 buys.
Does Sparky’s Lucky Lines have a bonus buy, and what does it cost?
Yes, 2 buy modes. Bonus: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Super Bonus: 2,000× the base bet, 96.00% RTP, an expected cost of 80.00× the base bet per buy.
Is Sparky’s Lucky Lines high or low volatility?
Medium. Its base-mode standard deviation is 15.8× 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.
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