UFO - Double Up! cover art

UFO - Double Up! slot: RTP and max win

By 1000 Lakes Studios. Released 12 Jan 2026, math version 12.
Low volatilityNo. 6271 most played this month

UFO - Double Up! is a low-volatility slot by 1000 Lakes Studios on Stake Engine, released 12 Jan 2026. Its base game returns 96.40%, above the median Engine slot (96.02%) and higher than 64% of them. The top payout is 986× the bet. It has 1 bonus buy priced at 20× the bet; the best returns 96.40%, so each buy costs 0.72× the bet on average over the long run. It is the No. 6271 most played Engine slot over the last 30 days.

Base RTP
96.40%
catalogue figure 96.400%
Max win
986×
of the base bet
Max win, base spins
1 in 115,477
512× top payout per spin
Base spin pays nothing
54.9%
of spins
Players, last 30 days
21
$145 wagered (Engine Insights)
The 986× max win can't be reached from base spins in the published math. Base spins top out at 512×.

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v12. "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
1ballBase spin1.00×96.40%512×1 in 115,4771 in 2.221 in 2.220.04× base Simulate
5ballBoosted spin5.00×96.40%567×1 in 122,3371 in 1.111 in 4.900.18× base Simulate
10ballBoosted spin10×96.40%376×1 in 58,1161 in 1.051 in 3.670.36× base Simulate
15ballBoosted spin15×96.40%471×1 in 53,7861 in 1.051 in 3.490.54× base Simulate
20ballBonus buy20×96.40%986×1 in 131,298–1 in 3.490.72× base Simulate

Work out the cost of UFO - Double Up! 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
v1296.400%Active

Frequently asked

What is the RTP of UFO - Double Up!?

Base spins return 96.40% of the amount wagered over the long run, from the published outcome table for version 12. Its bonus buy returns 96.40%.

What is the max win in UFO - Double Up! and how likely is it?

The top payout is 986× the base bet. On a base spin the top payout of 512× lands 1 in 115,477 spins. In the 20ball buy (20×) 986× lands 1 in 131,298 buys.

Does UFO - Double Up! have a bonus buy, and what does it cost?

Yes, 1 buy mode. 20ball: 20× the base bet, 96.40% RTP, an expected cost of 0.72× the base bet per buy.

Is UFO - Double Up! high or low volatility?

Low. Its base-mode standard deviation is 3.4× 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.

Slots with similar math to UFO - Double Up!

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

LAST SIGNAL
puniSHARE RTP96.50%Max win1,000×VolatilityNeon Nova cover artNeon Nova
Concept Gaming RTP96.50%Max win1,050×VolatilityDrop The Llama cover artDrop The Llama
Bolly Games RTP96.19%Max win1,000×VolatilityGet Out cover artGet Out
Hio Games RTP96.50%Max win1,000×VolatilitySnake cover artSnake
MultiBurst RTP96.00%Max win1,000×VolatilityFairway Frenzy cover artFairway Frenzy
Talore Labs RTP96.30%Max win1,000×Volatility

More from 1000 Lakes Studios

Apex SyndicateMoles Gone WildR.I.P 1000Flying Finns 1000Plucked!Bass FuryEpic MoleGod MoleAll 1000 Lakes Studios slots

Get an email if UFO - Double Up! 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.