Steel Tempest cover art

Steel Tempest slot: RTP and max win

By Infinity Labs. Released 23 Sep 2026, math version 24.
Medium volatilityNo. 375 most played this month

Steel Tempest is a medium-volatility slot by Infinity Labs on Stake Engine, released 23 Sep 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% 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 4,511,271 spins. It has 4 bonus buys priced at 100× to 500× the bet; the best returns 96.70%, so each buy costs 3.30× the bet on average over the long run. It is the No. 375 most played Engine slot over the last 30 days.

Base RTP
96.70%
catalogue figure 96.700%
Max win
25,000×
of the base bet
Max win, base spins
1 in 4,511,271
25,000× top payout per spin
Base spin pays nothing
83.3%
of spins
Players, last 30 days
2,847
$906K wagered (Engine Insights)

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v24. "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 spin1.00×96.70%25,000×1 in 4,511,2711 in 5.881 in 6.890.03× base Simulate
Ante Play 1Boosted spin3.00×96.70%25,000×1 in 902,2561 in 4.451 in 170.10× base Simulate
Ante Play 2Boosted spin10×96.70%25,000×1 in 90,1491 in 151 in 310.33× base Simulate
Play BonusBonus buy100×96.70%25,000×1 in 15,041–1 in 4.173.30× base Simulate
Chaos AnteBonus buy250×96.70%25,000×1 in 1,909–1 in 5.658.25× base Simulate
Play Super BonusBonus buy300×96.70%25,000×1 in 2,493–1 in 5.099.90× base Simulate
Ante MysteryBonus buy500×96.70%25,000×1 in 8001 in 2.501 in 5.3716.52× base Simulate

Work out the cost of Steel Tempest 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
v2496.700%Active
v2396.700%

Frequently asked

What is the RTP of Steel Tempest?

Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 24. All 4 of its bonus buys return 96.70%.

What is the max win in Steel Tempest and how likely is it?

The top payout is 25,000× the base bet. On a base spin it lands 1 in 4,511,271 spins. In the Play Bonus buy (100×) 25,000× lands 1 in 15,041 buys.

Does Steel Tempest have a bonus buy, and what does it cost?

Yes, 4 buy modes. Play Bonus: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Chaos Ante: 250× the base bet, 96.70% RTP, an expected cost of 8.25× the base bet per buy. Play Super Bonus: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. Ante Mystery: 500× the base bet, 96.70% RTP, an expected cost of 16.52× the base bet per buy.

Is Steel Tempest high or low volatility?

Medium. Its base-mode standard deviation is 24.4× 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 Steel Tempest

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

More from Infinity Labs

Get an email if Steel Tempest 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.