Polar Orbit cover art

Polar Orbit slot: RTP and max win

By Ferista Studio. Released 5 Oct 2026, math version 4.
Low volatilityNo. 1485 most played this month

Polar Orbit is a low-volatility slot by Ferista Studio on Stake Engine, released 5 Oct 2026. Its base game returns 91.10%, below the median Engine slot (96.02%). The top payout is 15,000× the bet, bigger than 50% of Engine slots; from a base spin it lands about once every 212,509,490 spins. It has 5 bonus buys priced at 20× to 750× the bet; the best returns 91.10%, so each buy costs 1.78× the bet on average over the long run. It is the No. 1485 most played Engine slot over the last 30 days.

Base RTP
91.10%
catalogue figure 91.100%
Max win
15,000×
of the base bet
Max win, base spins
1 in 212,509,490
15,000× top payout per spin
Base spin pays nothing
65.8%
of spins
Players, last 30 days
933
$74K wagered (Engine Insights)

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v4. "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 spin1.00×91.10%15,000×1 in 212,509,4901 in 2.911 in 4.580.09× base Simulate
Bonus Chance X5Boosted spin2.00×91.10%15,000×1 in 136,411,9341 in 2.831 in 6.430.18× base Simulate
Asteroid StrikeBoosted spin3.00×91.10%15,000×1 in 157,385,4031 in 1.661 in 3.170.27× base Simulate
Bonus Chance X10Boosted spin4.00×91.10%15,000×1 in 99,578,4361 in 2.751 in 8.950.36× base Simulate
Saturn BoostBoosted spin5.00×91.10%15,000×1 in 167,374,5641 in 2.781 in 7.210.44× base Simulate
Bonus Chance X25 CometBonus buy20×91.10%15,000×1 in 58,228,5721 in 1.501 in 2.841.78× base Simulate
Black HoleBonus buy75×91.10%15,000×1 in 254,148,4301 in 1.041 in 2.846.67× base Simulate
BonusBonus buy100×91.10%15,000×1 in 292,431,508every round1 in 2.728.90× base Simulate
Super BonusBonus buy300×91.10%15,000×1 in 254,020,452every round1 in 2.6126.70× base Simulate
Saturn BonusBonus buy750×91.10%15,000×1 in 205,294,702every round1 in 2.6566.75× base Simulate

Work out the cost of Polar Orbit 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
v491.100%Active

Frequently asked

What is the RTP of Polar Orbit?

Base spins return 91.10% of the amount wagered over the long run, from the published outcome table for version 4. All 5 of its bonus buys return 91.10%.

What is the max win in Polar Orbit and how likely is it?

The top payout is 15,000× the base bet. On a base spin it lands 1 in 212,509,490 spins. In the Bonus Chance X25 Comet buy (20×) 15,000× lands 1 in 58,228,572 buys.

Does Polar Orbit have a bonus buy, and what does it cost?

Yes, 5 buy modes. Bonus Chance X25 Comet: 20× the base bet, 91.10% RTP, an expected cost of 1.78× the base bet per buy. Black Hole: 75× the base bet, 91.10% RTP, an expected cost of 6.67× the base bet per buy. Bonus: 100× the base bet, 91.10% RTP, an expected cost of 8.90× the base bet per buy. Super Bonus: 300× the base bet, 91.10% RTP, an expected cost of 26.70× the base bet per buy. Saturn Bonus: 750× the base bet, 91.10% RTP, an expected cost of 66.75× the base bet per buy.

Is Polar Orbit high or low volatility?

Low. Its base-mode standard deviation is 5.3× 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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