Undead Secret cover art

Undead Secret slot: RTP and max win

By GG Gaming. Released 8 Sep 2026, math version 17.
High volatilityNo. 1443 most played this month

Undead Secret is a high-volatility slot by GG Gaming on Stake Engine, released 8 Sep 2026. Its base game returns 96.01%, below the median Engine slot (96.02%). The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 876,119 spins. It has 4 bonus buys priced at 75× to 500× the bet; the best returns 96.01%, so each buy costs 20× the bet on average over the long run. It is the No. 1443 most played Engine slot over the last 30 days.

Base RTP
96.01%
catalogue figure 96.010%
Max win
20,000×
of the base bet
Max win, base spins
1 in 876,119
20,000× top payout per spin
Base spin pays nothing
86.2%
of spins
Players, last 30 days
598
$81K wagered (Engine Insights)

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v17. "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 spin1.00×96.01%20,000×1 in 876,1191 in 7.241 in 140.04× base Simulate
AnteBoosted spin2.00×96.01%20,000×1 in 351,6311 in 6.891 in 190.08× base Simulate
Special Spin 1Bonus buy75×96.01%20,000×1 in 14,280–1 in 5.302.99× base Simulate
Bonus1Bonus buy100×96.00%20,000×1 in 6,8511 in 1.011 in 5.844.00× base Simulate
Special Spin 2Bonus buy300×96.01%20,000×1 in 1,569–1 in 5.8311.98× base Simulate
Bonus2Bonus buy500×96.01%20,000×1 in 897every round1 in 4.4919.94× base Simulate

Work out the cost of Undead Secret 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
v1796.010%Active

Frequently asked

What is the RTP of Undead Secret?

Base spins return 96.01% of the amount wagered over the long run, from the published outcome table for version 17. Its bonus buys return between 96.00% and 96.01%.

What is the max win in Undead Secret and how likely is it?

The top payout is 20,000× the base bet. On a base spin it lands 1 in 876,119 spins. In the Bonus2 buy (500×) 20,000× lands 1 in 897 buys.

Does Undead Secret have a bonus buy, and what does it cost?

Yes, 4 buy modes. Special Spin 1: 75× the base bet, 96.01% RTP, an expected cost of 2.99× the base bet per buy. Bonus1: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Special Spin 2: 300× the base bet, 96.01% RTP, an expected cost of 11.98× the base bet per buy. Bonus2: 500× the base bet, 96.01% RTP, an expected cost of 19.94× the base bet per buy.

Is Undead Secret high or low volatility?

High. Its base-mode standard deviation is 38.9× 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 Undead Secret

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

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