The Deep cover art

The Deep slot: RTP and max win

By Black Coffee Studios. Released 20 Mar 2026, math version 13.
Medium volatilityNo. 168 most played this month

The Deep is a medium-volatility slot by Black Coffee Studios on Stake Engine, released 20 Mar 2026. Its base game returns 96.50%, above the median Engine slot (96.02%) and higher than 66% of them. The top payout is 10,000× the bet; from a base spin it lands about once every 1,016,682 spins. It has 2 bonus buys priced at 100× to 300× the bet; the best returns 96.50%, so each buy costs 3.50× the bet on average over the long run. It is the No. 168 most played Engine slot over the last 30 days.

Base RTP
96.50%
catalogue figure 96.500%
Max win
10,000×
of the base bet
Max win, base spins
1 in 1,016,682
10,000× top payout per spin
Base spin pays nothing
65.4%
of spins
Players, last 30 days
2,340
$2.5M wagered (Engine Insights)

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v13. "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 spin1.00×96.50%10,000×1 in 1,016,6821 in 2.901 in 6.780.04× base Simulate
Ante1Boosted spin1.25×96.50%10,000×1 in 903,0871 in 3.601 in 140.04× base Simulate
Ante2Boosted spin10×96.50%10,000×1 in 333,3331 in 3.451 in 160.35× base Simulate
BonusBonus buy100×96.50%10,000×1 in 50,000–1 in 4.153.50× base Simulate
SuperBonus buy300×96.50%10,000×1 in 10,000–1 in 3.7210.50× base Simulate

Work out the cost of The Deep 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
v1396.500%Active

Frequently asked

What is the RTP of The Deep?

Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 13. All 2 of its bonus buys return 96.50%.

What is the max win in The Deep and how likely is it?

The top payout is 10,000× the base bet. On a base spin it lands 1 in 1,016,682 spins. In the Bonus buy (100×) 10,000× lands 1 in 50,000 buys.

Does The Deep have a bonus buy, and what does it cost?

Yes, 2 buy modes. Bonus: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Super: 300× the base bet, 96.50% RTP, an expected cost of 10.50× the base bet per buy.

Is The Deep high or low volatility?

Medium. Its base-mode standard deviation is 16.0× 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 The Deep

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

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