Dinger Diamond cover art

Dinger Diamond slot: RTP and max win

By Psycho Gaming. Released 6 Oct 2026, math version 1.
Medium volatilityNo. 1933 most played this monthNew

Dinger Diamond is a medium-volatility slot by Psycho Gaming on Stake Engine, released 6 Oct 2026. Its base game returns 96.40%, above the median Engine slot (96.02%) and higher than 64% 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 10,000,000 spins. It has 3 bonus buys priced at 100× to 400× the bet; the best returns 96.40%, so each buy costs 3.60× the bet on average over the long run. It is the No. 1933 most played Engine slot over the last 30 days.

Base RTP
96.40%
catalogue figure 96.400%
Max win
25,000×
of the base bet
Max win, base spins
1 in 10,000,000
25,000× top payout per spin
Base spin pays nothing
70.9%
of spins
Players, last 30 days
254
$33K 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.

ModeTypeCostRTPMax winMax win oddsPays anythingReturns the costExpected cost per round
BaseBase spin1.00×96.40%25,000×1 in 10,000,0001 in 3.461 in 6.650.04× base Simulate
RallyBoosted spin1.50×96.40%25,000×1 in 10,000,0001 in 2.121 in 5.350.05× base Simulate
Extra InningsBonus buy100×96.40%25,000×1 in 5,000,0001 in 1.011 in 3.513.60× base Simulate
DerbyBonus buy200×96.40%25,000×1 in 2,000,0001 in 1.011 in 4.397.20× base Simulate
World SeriesBonus buy400×96.40%25,000×1 in 1,000,000every round1 in 3.2414.40× base Simulate

Work out the cost of Dinger Diamond 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
v196.400%Active

Frequently asked

What is the RTP of Dinger Diamond?

Base spins return 96.40% of the amount wagered over the long run, from the published outcome table for version 1. All 3 of its bonus buys return 96.40%.

What is the max win in Dinger Diamond and how likely is it?

The top payout is 25,000× the base bet. On a base spin it lands 1 in 10,000,000 spins. In the Extra Innings buy (100×) 25,000× lands 1 in 5,000,000 buys.

Does Dinger Diamond have a bonus buy, and what does it cost?

Yes, 3 buy modes. Extra Innings: 100× the base bet, 96.40% RTP, an expected cost of 3.60× the base bet per buy. Derby: 200× the base bet, 96.40% RTP, an expected cost of 7.20× the base bet per buy. World Series: 400× the base bet, 96.40% RTP, an expected cost of 14.40× the base bet per buy.

Is Dinger Diamond high or low volatility?

Medium. Its base-mode standard deviation is 17.5× the bet, which puts it in the middle 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 Dinger Diamond

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

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