Independent guide · original demo · 18+

Ferry Locks Demo: Complete Rules and Mechanics

The official website of 7b777.

The official website of 7b777. Ferry Locks is a virtual coin demo where you select an exit lock to survive successive challenges. This guide details the exact survival odds, payout multipliers, and wallet mechanics without assuming external operator affiliation.

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Game Mechanics and Survival Odds

Before starting, choose one exit lock from options one to four. Each lock has independent survival chances at successive stages: eighty percent, seventy-five percent, two-thirds, and fifty percent. Reaching your chosen exit awards a gross multiplier of 1.2x, 1.6x, 2.4x, or 4.8x. Failure results in zero return, and you cannot exit manually once the round begins. The score function reflects survival probabilities of 0.8, 0.6, 0.4, and 0.2, which when multiplied by the gross returns yield an expected value of 0.96 per unit.

Stakes, Payouts, and Wallet Behavior

Available stakes are ten, twenty-five, fifty, or one hundred coins, with twenty-five as the default. The entire stake is deducted immediately at round start and persists before any animation. Payouts are calculated in hundredths, adding any saved fractional carry before crediting whole coins to your balance. Your initial balance is one thousand coins. You can manually restore your balance to one thousand only when idle and below ten coins. Reload discards unfinished rounds without refund or resume.

Settlement, Controls, and Technical Facts

Settlement is automatic upon reaching the exit or end of reveal, with no manual stop or autoplay available. Controls for stake, start, and mode are disabled while active. The game stores whole coins and fractional hundredths in local storage. Google Fonts, Statinside analytics, and external login buttons are observed but not verified as affiliated. This is a virtual coin demo with no cash value, deposit, or withdrawal.

Frequently asked questions

What happens if I refresh the page during a round?

The stake remains deducted, and the unfinished round is discarded without refund or resume.

How is the fractional carry handled in payouts?

Fractional hundredths are persisted separately and added to the credited whole coins, retaining the remainder in the carry.