Unded Duel slot: RTP and max win

By Unded Games. Released 7 Dec 2025, math version 1.

Low volatilityNo. 6639 most played this month

Unded Duel is a low-volatility slot by Unded Games on Stake Engine, released 7 Dec 2025. Its base game returns 96.51%, above the median Engine slot (96.02%) and higher than 82% of them. The top payout is 20× the bet; from a base spin it lands about once every 98 spins. It is the No. 6639 most played Engine slot over the last 30 days.

Base RTP

96.51%

catalogue figure 96.513%

Max win

20×

of the base bet

Max win, base spins

1 in 98

20× top payout per spin

Base spin pays nothing

46.7%

of spins

Players, last 30 days

$42 wagered (Engine Insights)

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	Base spin	1.00×	96.51%	20×	1 in 98	1 in 1.88	1 in 2.46	0.03× base	Simulate
Double	Base spin	1.00×	96.20%	2.00×	1 in 2.08	1 in 2.08	1 in 2.08	0.04× base	Simulate

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	96.513%	Active

Frequently asked

What is the RTP of Unded Duel?

Base spins return 96.51% of the amount wagered over the long run, from the published outcome table for version 1. Across its 2 modes RTP ranges from 96.20% to 96.51%.

What is the max win in Unded Duel and how likely is it?

The top payout is 20× the base bet. On a base spin it lands 1 in 98 spins.

Does Unded Duel have a bonus buy?

No. None of its published modes costs 20× the base bet or more.

Is Unded Duel high or low volatility?

Low. Its base-mode standard deviation is 2.3× 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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