KATANA FORGE cover art

KATANA FORGE slot: RTP and max win

By JACKBRIX. Released 25 Oct 2026, math version 1.
Medium volatilityNo. 4191 most played this monthNew

KATANA FORGE is a medium-volatility slot by JACKBRIX on Stake Engine, released 25 Oct 2026. Its base game returns 96.50%, above the median Engine slot (96.02%) and higher than 66% of them. The top payout is 10,000× the bet; from a base spin it lands about once every 40,000,039 spins. It has 3 bonus buys priced at 100× to 800× the bet; the best returns 96.50%, so each buy costs 3.50× the bet on average over the long run. It is the No. 4191 most played Engine slot over the last 30 days.

Base RTP
96.50%
catalogue figure 96.500%
Max win
10,000×
of the base bet
Max win, base spins
1 in 40,000,039
10,000× top payout per spin
Base spin pays nothing
53.8%
of spins
Players, last 30 days
204
$3K 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 spin1.00×96.50%10,000×1 in 40,000,0391 in 2.161 in 7.060.04× base Simulate
DojoBonus buy100×96.50%676×1 in 86,842–1 in 2.783.50× base Simulate
ShinkenBonus buy500×96.50%10,000×1 in 2,926–1 in 3.6617.50× base Simulate
HundredBonus buy800×96.50%8,684×1 in 85,006–1 in 2.4328.00× base Simulate

Work out the cost of KATANA FORGE 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
v196.500%Active

Frequently asked

What is the RTP of KATANA FORGE?

Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 1. All 3 of its bonus buys return 96.50%.

What is the max win in KATANA FORGE and how likely is it?

The top payout is 10,000× the base bet. On a base spin it lands 1 in 40,000,039 spins. In the Dojo buy (100×) 676× lands 1 in 86,842 buys.

Does KATANA FORGE have a bonus buy, and what does it cost?

Yes, 3 buy modes. Dojo: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Shinken: 500× the base bet, 96.50% RTP, an expected cost of 17.50× the base bet per buy. Hundred: 800× the base bet, 96.50% RTP, an expected cost of 28.00× the base bet per buy.

Is KATANA FORGE high or low volatility?

Medium. Its base-mode standard deviation is 19.8× the bet, which puts it in the middle 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 KATANA FORGE

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

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