Onebit Backpack Duel cover art

Onebit Backpack Duel slot: RTP and max win

By Onebit Forge. Released 5 Aug 2026, math version 1.
Low volatilityNo. 6632 most played this month

Onebit Backpack Duel is a low-volatility slot by Onebit Forge on Stake Engine, released 5 Aug 2026. Its base game returns 96.50%, above the median Engine slot (96.02%) and higher than 66% of them. The top payout is 3,000× the bet. It is the No. 6632 most played Engine slot over the last 30 days.

Base RTP
96.50%
catalogue figure 96.500%
Max win
3,000×
of the base bet
Max win, base spins
1 in 622,264
500× top payout per spin
Base spin pays nothing
21.2%
of spins
Players, last 30 days
11
$44 wagered (Engine Insights)
The 3,000× max win can't be reached from base spins in the published math. Base spins top out at 500×.

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
Base GameBase spin1.00×96.50%500×1 in 622,2641 in 1.271 in 5.940.04× base Simulate
Stone RushBoosted spin2.00×96.50%1,000×1 in 569,0271 in 1.101 in 5.070.07× base Simulate
Elite HuntBoosted spin4.00×96.50%2,000×1 in 27,3581 in 1.391 in 4.190.14× base Simulate
Expedition PassBoosted spin15×96.50%3,000×1 in 684,6561 in 1.081 in 9.100.53× base Simulate

Version history

Base-mode RTP per published math version. Older versions stay public in the fairness API, so changes can be checked.

VersionBase RTP
v196.500%Active

Frequently asked

What is the RTP of Onebit Backpack Duel?

Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 1. All 4 modes return 96.50%.

What is the max win in Onebit Backpack Duel and how likely is it?

The top payout is 3,000× the base bet. On a base spin the top payout of 500× lands 1 in 622,264 spins.

Does Onebit Backpack Duel have a bonus buy?

No. None of its published modes costs 20× the base bet or more.

Is Onebit Backpack Duel high or low volatility?

Low. Its base-mode standard deviation is 4.8× 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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