Independent guide · original demo · 18+

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Ferry Locks: Probability and Payout Guide

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Ferry Locks is a virtual coin demo where you select one of four exit locks to survive. Each lock has distinct survival odds, and reaching your chosen exit determines your gross payout multiplier. This guide details the exact math, wallet behavior, and settlement rules for this specific demo.

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Survival Odds and Gross Payouts

Before starting, you choose an exit lock between one and four. The survival probabilities for each lock are eighty percent, seventy-five percent, two-thirds, and fifty percent respectively. If you survive your chosen lock, the game returns a gross multiplier of 1.2, 1.6, 2.4, or 4.8 times your stake. Failure results in a zero return. The score function confirms that survival probabilities multiply with gross returns to yield an expected return of ninety-six percent.

Wallet Mechanics and Settlement

Your stake is deducted immediately at the start of the round and persists through the animation. Payouts are calculated in hundredths, adding any saved fractional carry before crediting whole coins. The remainder, up to ninety-nine hundredths, is kept separately. Settlement is automatic at the exit or end of the reveal, with no manual stop option. If you reload the page, any unfinished round is discarded without a refund or resumption.

Controls and Wallet Restoration

You can select stakes of ten, twenty-five, fifty, or one hundred, with twenty-five as the default. Controls lock while the round is active. Manual wallet restoration is only available when idle and the balance falls below ten. This action sets your balance to one thousand rather than adding to it. The fractional hundredths and pending round flags are stored locally, ensuring precise tracking of your virtual coins.

Frequently asked questions

How is the payout calculated in Ferry Locks?

Payouts are calculated in hundredths. The system adds any saved fractional carry, credits the floor of whole coins, and retains the remainder up to ninety-nine hundredths separately.

What happens if I reload the page during a round?

The stake remains deducted, and the unfinished round is discarded. There is no refund or ability to resume the exact state of the previous session.