Heart Attack slot: RTP and max win
Heart Attack is a low-volatility slot by Giddyup on Stake Engine, released 4 Nov 2026. Its base game returns 96.20%, above the median Engine slot (96.02%) and higher than 57% of them. The top payout is 5,000× the bet; from a base spin it lands about once every 2,364,706 spins. It has 4 bonus buys priced at 30× to 500× 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. 5368 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× | 96.20% | 5,000× | 1 in 2,364,706 | 1 in 2.16 | 1 in 7.16 | 0.04× base | Simulate |
| Bonus Chance | Boosted spin | 1.25× | 96.20% | 5,000× | 1 in 1,488,889 | 1 in 2.16 | 1 in 9.69 | 0.05× base | Simulate |
| Heart Rain | Boosted spin | 2.00× | 96.20% | 5,000× | 1 in 2,745,455 | 1 in 2.13 | 1 in 6.59 | 0.08× base | Simulate |
| Love Line | Boosted spin | 10× | 96.20% | 5,000× | 1 in 1,589,474 | – | 1 in 4.24 | 0.38× base | Simulate |
| Love Attack | Bonus buy | 30× | 96.20% | 5,000× | 1 in 3,981 | 1 in 1.26 | 1 in 6.86 | 1.14× base | Simulate |
| Love Arrows | Bonus buy | 100× | 96.20% | 5,000× | 1 in 15,323 | every round | 1 in 3.66 | 3.80× base | Simulate |
| Heart Lock | Bonus buy | 250× | 96.20% | 5,000× | 1 in 3,383 | – | 1 in 3.36 | 9.50× base | Simulate |
| Eternal Love | Bonus buy | 500× | 96.20% | 5,000× | 1 in 3,285 | every round | 1 in 2.81 | 19.00× base | Simulate |
Work out the cost of Heart Attack 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 | 96.200% | Active |
Frequently asked
What is the RTP of Heart Attack?
Base spins return 96.20% of the amount wagered over the long run, from the published outcome table for version 2. All 4 of its bonus buys return 96.20%.
What is the max win in Heart Attack and how likely is it?
The top payout is 5,000× the base bet. On a base spin it lands 1 in 2,364,706 spins. In the Love Attack buy (30×) 5,000× lands 1 in 3,981 buys.
Does Heart Attack have a bonus buy, and what does it cost?
Yes, 4 buy modes. Love Attack: 30× the base bet, 96.20% RTP, an expected cost of 1.14× the base bet per buy. Love Arrows: 100× the base bet, 96.20% RTP, an expected cost of 3.80× the base bet per buy. Heart Lock: 250× the base bet, 96.20% RTP, an expected cost of 9.50× the base bet per buy. Eternal Love: 500× the base bet, 96.20% RTP, an expected cost of 19.00× the base bet per buy.
Is Heart Attack high or low volatility?
Low. Its base-mode standard deviation is 12.7× 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.
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