Flush Rush cover art

Flush Rush slot: RTP and max win

By PlayUp Studios. Released 3 Nov 2026, math version 5.
Low volatilityNo. 5489 most played this monthNew

Flush Rush is a low-volatility slot by PlayUp Studios on Stake Engine, released 3 Nov 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 4,064,459 spins. It has 6 bonus buys priced at 60× to 310× the bet; the best returns 96.70%, so each buy costs 1.98× the bet on average over the long run. It is the No. 5489 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 4,064,459
25,000× top payout per spin
Base spin pays nothing
84.0%
of spins
Players, last 30 days
24
$608 wagered (Engine Insights)

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v5. "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
HighBase spin1.00×96.70%25,000×1 in 4,064,4591 in 6.251 in 8.640.03× base Simulate
LowBase spin1.00×96.70%2,500×1 in 2,000,0031 in 3.001 in 3.950.03× base Simulate
MediumBase spin1.00×96.70%10,000×1 in 1,626,3181 in 4.551 in 5.790.03× base Simulate
High HotBoosted spin2.00×96.70%25,000×1 in 842,0381 in 7.001 in 8.990.07× base Simulate
Low HotBoosted spin2.00×96.70%2,500×1 in 1,984,1311 in 3.001 in 3.850.07× base Simulate
Medium HotBoosted spin2.00×96.70%10,000×1 in 313,1011 in 4.641 in 5.690.07× base Simulate
Rush HighBonus buy60×96.70%25,000×1 in 208,333every round1 in 5.701.98× base Simulate
Rush MediumBonus buy90×96.70%10,000×1 in 55,556every round1 in 4.722.97× base Simulate
Rush LowBonus buy110×96.70%2,500×1 in 11,364every round1 in 4.633.63× base Simulate
Royal HighBonus buy180×96.70%25,000×1 in 138,889every round1 in 4.935.94× base Simulate
Royal MediumBonus buy250×96.70%10,000×1 in 40,000every round1 in 4.578.25× base Simulate
Royal LowBonus buy310×96.70%2,500×1 in 8,065every round1 in 3.6710.23× base Simulate

Work out the cost of Flush Rush 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
v596.700%Active

Frequently asked

What is the RTP of Flush Rush?

Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 5. All 6 of its bonus buys return 96.70%.

What is the max win in Flush Rush and how likely is it?

The top payout is 25,000× the base bet. On a base spin it lands 1 in 4,064,459 spins. In the Rush High buy (60×) 25,000× lands 1 in 208,333 buys.

Does Flush Rush have a bonus buy, and what does it cost?

Yes, 6 buy modes. Rush High: 60× the base bet, 96.70% RTP, an expected cost of 1.98× the base bet per buy. Rush Medium: 90× the base bet, 96.70% RTP, an expected cost of 2.97× the base bet per buy. Rush Low: 110× the base bet, 96.70% RTP, an expected cost of 3.63× the base bet per buy. Royal High: 180× the base bet, 96.70% RTP, an expected cost of 5.94× the base bet per buy. Royal Medium: 250× the base bet, 96.70% RTP, an expected cost of 8.25× the base bet per buy. Royal Low: 310× the base bet, 96.70% RTP, an expected cost of 10.23× the base bet per buy.

Is Flush Rush high or low volatility?

Low. Its base-mode standard deviation is 4.4× the bet, which puts it in the lowest 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.

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