Brasswing Express cover art

Brasswing Express slot: RTP and max win

By Volo Gaming. Released 15 Oct 2026, math version 1.
High volatilityNo. 3358 most played this monthNew

Brasswing Express is a high-volatility slot by Volo Gaming on Stake Engine, released 15 Oct 2026. Its base game returns 94.00%, below the median Engine slot (96.02%). The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 8,999,992 spins. It has 2 bonus buys priced at 100× to 200× the bet; the best returns 94.00%, so each buy costs 6.00× the bet on average over the long run. It is the No. 3358 most played Engine slot over the last 30 days.

Base RTP
94.00%
catalogue figure 94.000%
Max win
20,000×
of the base bet
Max win, base spins
1 in 8,999,992
20,000× top payout per spin
Base spin pays nothing
70.9%
of spins
Players, last 30 days
240
$8K 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 spin1.00×94.00%20,000×1 in 8,999,9921 in 3.451 in 110.06× base Simulate
PriorityBoosted spin10×94.00%20,000×1 in 37,0291 in 1.981 in 160.60× base Simulate
NightmailBonus buy100×94.00%20,000×1 in 4,0371 in 1.011 in 136.00× base Simulate
ConvoyBonus buy200×94.00%20,000×1 in 1,1011 in 1.451 in 1612.00× base Simulate

Work out the cost of Brasswing Express 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
v194.000%Active

Frequently asked

What is the RTP of Brasswing Express?

Base spins return 94.00% of the amount wagered over the long run, from the published outcome table for version 1. All 2 of its bonus buys return 94.00%.

What is the max win in Brasswing Express and how likely is it?

The top payout is 20,000× the base bet. On a base spin it lands 1 in 8,999,992 spins. In the Nightmail buy (100×) 20,000× lands 1 in 4,037 buys.

Does Brasswing Express have a bonus buy, and what does it cost?

Yes, 2 buy modes. Nightmail: 100× the base bet, 94.00% RTP, an expected cost of 6.00× the base bet per buy. Convoy: 200× the base bet, 94.00% RTP, an expected cost of 12.00× the base bet per buy.

Is Brasswing Express high or low volatility?

High. Its base-mode standard deviation is 35.4× 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 Brasswing Express

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

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