Reference

Crash: Watch the Multiplier, Pick Your Moment

Crash is where a single multiplier climbs from 1x and keeps going until the round ends — your job is to cash out before it stops.

Multiplier FormatManual Cash-OutCrash SkylineRound HistoryMobile Ready
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yy99 Crash: Watch the Multiplier, Pick Your Moment
yy99 What the Crash Format Offers on yy99

What the Crash Format Offers on yy99

Every Crash round starts at 1x. A live multiplier rises on screen and you decide when to hit cash out — the longer you wait, the higher your return, but the round can end at any point. Crash Skyline is the headline title in this section; it runs on a provably fair engine that lets you verify each result yourself using the

round seed shown after play. You place your stake before the round locks, watch the curve climb, and tap out at your chosen moment. Auto cash-out lets you set a target multiplier in advance so you do not have to watch every second. Round history sits on the same screen, showing recent crash points so you can read the pattern before you

commit

CRASH HELP

Help While You Are in a Crash Round

Crash rounds move fast, so if something goes wrong — a missed cash-out, a round that did not register, or a stake that did not confirm — you need a quick answer. Here is how to reach us and what to have ready.

Round Dispute If a cash-out did not register before the crash point, open a support chat and share the round ID shown in your session history. We check the server log against your account timestamp.
Stake Not Confirmed A stake can fail if the round locked before your tap registered. Check your account wallet balance first — if it was not deducted, the stake did not go through and no round result applies.
Auto Cash-Out Missed Auto cash-out triggers at the multiplier you set before the round. If it did not fire, share the round ID with support and we will pull the game server record to check what the multiplier reached.
FAIR PLAY SIGNALS

How We Keep Crash Results Verifiable

Crash is not a slot — there is no RNG reel spin you take on faith. The format is built around provably fair mechanics, which means you can check each round result yourself. Here is what that looks like in practice on yy99

Provably Fair Engine

Crash Skyline uses a seed-based system. After each round, the server seed and client seed are revealed so you can hash-verify the crash point independently outside the platform.

Round History On Screen

The last 20 or more crash points are displayed in the game panel. You see the actual multipliers from recent rounds, not an average — raw results, visible before you stake.

Stake Confirmation Log

Every stake you place in a Crash round is recorded in your account transaction log with a timestamp and round ID. You can cross-check this against the round result at any time

Account Wallet Accuracy

Payouts from a successful cash-out land in your account wallet immediately after the round closes. The amount reflects your stake multiplied by the multiplier at the moment you tapped out.

Crash Glossary: Key Terms You Will See

New to crash-format games? These are the terms that appear in-round and in your account, explained plainly so you know exactly what each one means before you stake.

01
What is a crash point?

The crash point is the multiplier at which a round ends. If the crash point is 2.4x and you have not cashed out, your stake is lost. Every round has one crash point determined before it starts.

02
What does cash-out mean in Crash?

Cash-out is the action of locking in your current multiplier mid-round. Your return equals your stake times the multiplier at the exact moment you tapped cash-out, before the round crashes.

03
What is auto cash-out?

Auto cash-out is a preset target multiplier you set before a round begins. The game cashes you out automatically when that multiplier is reached, so you do not need to watch the screen live.

04
What is a provably fair system in crash games?

Provably fair means each round's crash point is generated using a cryptographic seed visible to you after the round. You can hash-verify the result yourself, confirming it was not changed mid-round.

05
What is a round seed in Crash Skyline?

A round seed is a unique string used to generate the crash point for that specific round. Server seed and client seed are both revealed post-round so the result can be independently verified.

06
What does multiplier mean in Crash?

The multiplier is the rising number displayed during a live crash round. It starts at 1x and climbs. Your payout equals your stake times the multiplier value you lock in at cash-out.

Crash on yy99: Common Questions Answered

These are the questions we get most often from people exploring Crash for the first time or returning after a break. Each answer covers the actual mechanics or account steps — no filler

Crash Skyline is the headline crash-format title in the lobby. The section also carries other crash-style rounds; availability depends on your region and whether local law permits access to these game types.

Yes. Auto cash-out lets you enter a multiplier value before the round locks. When the live multiplier reaches that figure, the game cashes you out without any tap required on your end.

After the round closes, open the round details and copy the server seed and client seed shown there. Paste both into any SHA256 hash tool outside the platform and check the output matches the announced crash point.

Round history displays the actual crash multiplier from each recent round, not an average or smoothed figure. You see the raw result for each completed round directly on the game screen.

Your payout lands in your yy99 account wallet as soon as the round closes. The amount is your original stake multiplied by the multiplier you locked in, visible immediately in your transaction log.

Crash Skyline and other crash titles in the lobby run in the mobile browser without a separate download. The cash-out button is sized for tap use, and auto cash-out works the same way on mobile as on desktop.
Reference

Crash Boost

Service availability depends on eligible regions and local law. Users should check local rules before opening an account.

Access may be available only where local law permits.

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