Reference

Crash at 663b — Watch the Multiplier, Pick Your Moment

Crash runs on a single, transparent mechanic: a multiplier climbs from 1× and you decide when to cash out before the flies off.

Live MultiplierCash-Out ControlMobile ReadyProvably Fair
Explore the Lobby Read FAQ
663b Crash at 663b — Watch the Multiplier, Pick Your Moment
CRASH HELP

Help While You Play Crash

Round Disputes If a Crash round closes unexpectedly or your cash-out does not register, contact our support team with the round ID shown in your game history. We log every round server-side for review
Account Wallet Crash stakes draw from your main account wallet. Check your balance in the account panel before each session; top up via JazzCash, Easypaisa, or Raast from the deposit screen
Game Loading Issues If Aviator or JetX fails to load, clear your browser cache or switch to the 663b mobile app. Most loading issues on Android resolve after a cache clear without needing a reinstall.
HOW WE RUN IT

Fair Play and Crash Integrity

Provably Fair Rounds

Aviator and JetX use a provably fair system — each round's crash point is generated before bets open and can be verified by you after the round closes using the seed shown in-game.

Published RTP

We display RTP figures only where the game provider publishes them. Aviator's RTP is shown on the Spribe game screen; we do not invent or inflate figures for any Crash title

Studio Accountability

Every Crash title in our lobby comes from a named studio — Spribe, Smartsoft Gaming — whose game certificates are held at the provider level and referenced in the game's info panel

Round History Transparency

Your full Crash round history, including stake, cash-out multiplier, and result, is stored in your account and available to review at any time from the transaction log

663b What Our Crash Section Offers

What Our Crash Section Offers

Our Crash lobby carries titles like Aviator by Spribe and JetX by Smartsoft Gaming — two of the most-played crash-format games among Pakistan players. Each round starts fresh: a multiplier rises from 1× and you tap out whenever you choose. Wait too long and the crashes, ending the round at zero. The lobby shows live round history and a real-time feed of

active cash-outs so you can read the rhythm of the game before you commit. We also carry Bet On Crash for players who want a stripped-back version of the same format. Round results are generated using provably fair algorithms, and the RTP for each title is shown directly on the game screen where the provider exposes it

Crash Glossary

What is a crash multiplier?

The crash multiplier is the rising number displayed during a Crash round. It starts at 1× and climbs until the round ends. Your payout equals your stake multiplied by the value at which you cash out

What does 'provably fair' mean in Crash?

Provably fair means the round's outcome is cryptographically determined before bets open. After the round, you can verify the result yourself using the server seed and client seed shown in the game panel.

What is auto cash-out in Aviator?

Auto cash-out lets you set a target multiplier in advance. If the round reaches that value before crashing, your bet is cashed out automatically — useful when you cannot watch the screen continuously.

What is RTP in a crash game?

RTP (Return to Player) is the theoretical percentage of total stakes a game returns over many rounds. In Crash titles, RTP is set by the provider and shown on the game info screen where disclosed

What does 'bust' or 'crash' mean?

A bust or crash is when the round ends before you cash out. The multiplier stops, the animation ends, and any stake still in play for that round is not returned

What is a dual-bet in JetX?

JetX allows two simultaneous bets per round, each with its own cash-out target. You can run a conservative cash-out on one bet and a higher-multiplier target on the other within the same round.

Crash — Common Questions

Our lobby includes Aviator by Spribe, JetX by Smartsoft Gaming, and Bet On Crash. Each title uses a different visual style but shares the core cash-out mechanic. Check the crash category filter to see the current lineup.

Open the 663b app or mobile site, go to the Crash section, select a title, and set your stake. The round timer counts down before each new round starts — tap cash out before the crashes to lock in your multiplier

Yes. Deposit via JazzCash, Easypaisa, or Raast from the account deposit screen. Funds land in your wallet and are available for Crash stakes immediately after the transfer confirms on your end

Minimum and maximum stake limits for Aviator are set by Spribe and displayed on the bet panel before each round. The exact figures depend on your account currency; check the in-game stake selector for the current range.

If you set an auto cash-out before the round started, it will execute server-side even if your connection drops. Without auto cash-out, a disconnection during a live round means the stake follows the round result as recorded on our server.

Crash titles on 663b are available where local law and eligible regions permit. Access and participation depend on your location and applicable local regulations — check your eligibility before opening an account
Reference

Crash Rocket

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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