Seven Out cover art

Seven Out slot: RTP and max win

By Hammer Head Gaming. Released 27 Sep 2026, math version 2.
High volatilityNo. 1885 most played this month

Seven Out is a high-volatility slot by Hammer Head Gaming on Stake Engine, released 27 Sep 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 4,989,993 spins. It has 3 bonus buys priced at 100× to 405× 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. 1885 most played Engine slot over the last 30 days.

Base RTP
96.00%
catalogue figure 96.004%
Max win
50,000×
of the base bet
Max win, base spins
1 in 4,989,993
50,000× top payout per spin
Base spin pays nothing
68.0%
of spins
Players, last 30 days
197
$35K wagered (Engine Insights)

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v2. "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 4,989,9931 in 3.131 in 7.290.04× base Simulate
Extra ChanceBoosted spin3.00×96.00%50,000×1 in 999,9981 in 3.631 in 280.12× base Simulate
Feature NormalBonus buy100×96.00%50,000×1 in 2,997,595every round1 in 4.684.00× base Simulate
Feature SuperBonus buy250×96.00%50,000×1 in 28,334every round1 in 4.5210.00× base Simulate
Feature MysteryBonus buy405×96.00%50,000×1 in 18,918every round1 in 4.9816.20× base Simulate

Work out the cost of Seven Out 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
v296.004%Active

Frequently asked

What is the RTP of Seven Out?

Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 2. All 3 of its bonus buys return 96.00%.

What is the max win in Seven Out and how likely is it?

The top payout is 50,000× the base bet. On a base spin it lands 1 in 4,989,993 spins. In the Feature Normal buy (100×) 50,000× lands 1 in 2,997,595 buys.

Does Seven Out have a bonus buy, and what does it cost?

Yes, 3 buy modes. Feature Normal: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Feature Super: 250× the base bet, 96.00% RTP, an expected cost of 10.00× the base bet per buy. Feature Mystery: 405× the base bet, 96.00% RTP, an expected cost of 16.20× the base bet per buy.

Is Seven Out high or low volatility?

High. Its base-mode standard deviation is 30.2× 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 Seven Out

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

More from Hammer Head Gaming

Get an email if Seven Out changes its RTP or modes

One email a week: new Engine slots with RTP and max-win odds, RTP changes and the most played games. Free, no casino offers on this site. Unsubscribe any time.