FRANKEN NUT cover art

FRANKEN NUT slot: RTP and max win

By Grim Grin Studio. Released 14 Oct 2026, math version 4.
High volatilityNo. 962 most played this monthNew

FRANKEN NUT is a high-volatility slot by Grim Grin Studio on Stake Engine, released 14 Oct 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 50,000× the bet, bigger than 97% of Engine slots; from a base spin it lands about once every 1,292,407 spins. It has 5 bonus buys priced at 100× to 1,000× the bet; the best returns 96.00%, so each buy costs 4.00× the bet on average over the long run. It is the No. 962 most played Engine slot over the last 30 days.

Base RTP
96.00%
catalogue figure 96.000%
Max win
50,000×
of the base bet
Max win, base spins
1 in 1,292,407
50,000× top payout per spin
Base spin pays nothing
57.1%
of spins
Players, last 30 days
1,433
$189K wagered (Engine Insights)

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.

ModeTypeCostRTPMax winMax win oddsPays anythingReturns the costExpected cost per round
BaseBase spin1.00×96.00%50,000×1 in 1,292,4071 in 2.341 in 4.350.04× base Simulate
Ante2Boosted spin2.00×96.00%50,000×1 in 3,000,0071 in 2.291 in 5.880.08× base Simulate
Ante5Boosted spin5.00×96.00%50,000×1 in 1,130,2181 in 2.191 in 7.140.20× base Simulate
BonusBonus buy100×96.00%50,000×1 in 60,056every round1 in 4.134.00× base Simulate
MysteryBonus buy250×96.00%50,000×1 in 23,562every round1 in 4.3810.00× base Simulate
OverchargeBonus buy500×96.00%50,000×1 in 3,000every round1 in 4.3620.00× base Simulate
SuperBonus buy500×96.00%50,000×1 in 9,922every round1 in 3.8520.00× base Simulate
CoffinsBonus buy1,000×96.00%50,000×1 in 521 in 521 in 5240.00× base Simulate

Work out the cost of FRANKEN NUT 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.

VersionBase RTP
v496.000%Active

Frequently asked

What is the RTP of FRANKEN NUT?

Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 4. All 5 of its bonus buys return 96.00%.

What is the max win in FRANKEN NUT and how likely is it?

The top payout is 50,000× the base bet. On a base spin it lands 1 in 1,292,407 spins. In the Bonus buy (100×) 50,000× lands 1 in 60,056 buys.

Does FRANKEN NUT have a bonus buy, and what does it cost?

Yes, 5 buy modes. Bonus: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Mystery: 250× the base bet, 96.00% RTP, an expected cost of 10.00× the base bet per buy. Overcharge: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy. Super: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy. Coffins: 1,000× the base bet, 96.00% RTP, an expected cost of 40.00× the base bet per buy.

Is FRANKEN NUT high or low volatility?

High. Its base-mode standard deviation is 50.1× 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.

Slots with similar math to FRANKEN NUT

Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.

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