Kaiju Rampage slot: RTP and max win
Kaiju Rampage is a high-volatility slot by MANGOVAULT GAMES on Stake Engine, released 8 Sep 2026. Its base game returns 96.03%, above the median Engine slot (96.02%) and higher than 51% of them. The top payout is 25,000× the bet, bigger than 81% of Engine slots; from a base spin it lands about once every 901,049 spins. It has 2 bonus buys priced at 150× to 500× the bet; the best returns 96.03%, so each buy costs 20× the bet on average over the long run. It is the No. 6536 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× | 96.03% | 25,000× | 1 in 901,049 | 1 in 3.64 | 1 in 15 | 0.04× base | Simulate |
| Ante | Boosted spin | 2.00× | 96.09% | 25,000× | 1 in 901,966 | 1 in 2.28 | 1 in 10 | 0.08× base | Simulate |
| Bonus | Bonus buy | 150× | 96.02% | 25,000× | 1 in 50,102 | 1 in 1.03 | 1 in 3.70 | 5.97× base | Simulate |
| Super | Bonus buy | 500× | 96.03% | 25,000× | 1 in 5,006 | 1 in 1.01 | 1 in 7.36 | 19.84× base | Simulate |
Work out the cost of Kaiju Rampage 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 | 96.030% | Active |
Frequently asked
What is the RTP of Kaiju Rampage?
Base spins return 96.03% of the amount wagered over the long run, from the published outcome table for version 2. Its bonus buys return between 96.02% and 96.03%.
What is the max win in Kaiju Rampage and how likely is it?
The top payout is 25,000× the base bet. On a base spin it lands 1 in 901,049 spins. In the Super buy (500×) 25,000× lands 1 in 5,006 buys.
Does Kaiju Rampage have a bonus buy, and what does it cost?
Yes, 2 buy modes. Bonus: 150× the base bet, 96.02% RTP, an expected cost of 5.97× the base bet per buy. Super: 500× the base bet, 96.03% RTP, an expected cost of 19.84× the base bet per buy.
Is Kaiju Rampage high or low volatility?
High. Its base-mode standard deviation is 47.8× 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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