Vaults Wasteland Riches slot: RTP and max win
Vaults Wasteland Riches is a low-volatility slot by Original-ish Games on Stake Engine, released 4 May 2026. Its base game returns 97.00%, above the median Engine slot (96.02%) and higher than 97% of them. The top payout is 10,000× the bet; from a base spin it lands about once every 1,000,000 spins. It has 3 bonus buys priced at 90× to 300× the bet; the best returns 97.00%, so each buy costs 2.70× the bet on average over the long run.
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 | |
|---|---|---|---|---|---|---|---|---|---|
| Base Game | Base spin | 1.00× | 97.00% | 10,000× | 1 in 1,000,000 | 1 in 3.44 | 1 in 18 | 0.03× base | Simulate |
| Vault Breach | Boosted spin | 2.00× | 97.00% | 10,000× | 1 in 500,000 | 1 in 3.22 | 1 in 16 | 0.06× base | Simulate |
| Stimpak | Boosted spin | 2.80× | 97.00% | 10,000× | 1 in 178,571 | 1 in 3.00 | 1 in 5.47 | 0.08× base | Simulate |
| Nuka Blast | Bonus buy | 90× | 97.00% | 10,000× | 1 in 1,111 | 1 in 2.00 | 1 in 12 | 2.70× base | Simulate |
| Vault Raid | Bonus buy | 100× | 97.00% | 10,000× | 1 in 10,000 | – | 1 in 6.27 | 3.00× base | Simulate |
| Mega Vault | Bonus buy | 300× | 97.00% | 10,000× | 1 in 3,333 | – | 1 in 6.12 | 9.00× base | Simulate |
Work out the cost of Vaults Wasteland Riches 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 | 97.000% | Active |
Frequently asked
What is the RTP of Vaults Wasteland Riches?
Base spins return 97.00% of the amount wagered over the long run, from the published outcome table for version 1. All 3 of its bonus buys return 97.00%.
What is the max win in Vaults Wasteland Riches and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 1,000,000 spins. In the Nuka Blast buy (90×) 10,000× lands 1 in 1,111 buys.
Does Vaults Wasteland Riches have a bonus buy, and what does it cost?
Yes, 3 buy modes. Nuka Blast: 90× the base bet, 97.00% RTP, an expected cost of 2.70× the base bet per buy. Vault Raid: 100× the base bet, 97.00% RTP, an expected cost of 3.00× the base bet per buy. Mega Vault: 300× the base bet, 97.00% RTP, an expected cost of 9.00× the base bet per buy.
Is Vaults Wasteland Riches high or low volatility?
Low. Its base-mode standard deviation is 12.2× 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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