Live / Mobile
Every term you come across in the 4bd lobby — from RTP on a slot screen to rollover on a reward condition — is defined here in plain language.
These are the terms you will meet first — the ones that appear on game screens, lobby filters and slot detail panels. Understanding them helps you choose between categories and read a game screen accurately from the start.
RTP is the percentage of all wagered amounts a game returns to players over many rounds. A slot showing 96% RTP means, theoretically, 96 taka returned per 100 wagered over a very large number of spins.
House edge is the mathematical advantage the game holds over the player across all rounds. It is the inverse complement of RTP for slots, and a separately calculated figure for table games like blackjack or baccarat.
Volatility describes how often a slot pays out and how large those payouts tend to be relative to the stake. High-volatility slots like many Habanero titles pay out less frequently but can deliver larger individual prize amounts. Low-volatility slots pay smaller amounts more often. The setting suits different account balances and playing styles.
A wager is a single bet placed on a game round. Turnover is the cumulative total of all wagers placed across a session or a defined period. gameplay conditions on the platform often state a turnover requirement — the total amount you must wager before a
A jackpot is a game's highest available prize, triggered by a rare symbol combination or a random event within the game mechanic. It is a feature built into specific slot titles by the studio — Bigtime Gaming and JDB both carry jackpot-mechanic
Live dealer refers to a table game — baccarat, roulette, blackjack — streamed in real time with a human dealer visible on screen. The game runs on studio hardware; you place bets through the interface while the physical cards or wheel determine the outcome. Spadegaming and JDB supply live-format content available in the lobby.
Once you move beyond game screens into sportsbook markets, payment flows and account verification, a second set of terms appears. These definitions cover the language of odds, wallet actions and identity checks so you can move through each step without confusion.
Asian handicap is a betting format that removes the draw outcome by giving one side a goal or run advantage before the match starts. Common in cricket and football markets, it narrows the selection to two outcomes. The handicap value is set per match and shown next to the market name in the sportsbook section.
An over/under market sets a line — say, total runs in a cricket innings — and you bet whether the actual figure finishes above or below it. The line and the odds for each side are shown in the market row.
Rollover is the number of times a gameplay balance must be wagered before a withdrawal request can include it. If a gameplay balance has a 10x rollover, you must place wagers totalling ten times that amount.
An e-wallet is a mobile-based digital payment account used to fund or withdraw from your platform wallet. On 4bd, supported e-wallets for Bangladesh include bKash, Nagad and Rocket. Each has its own transfer steps shown on the deposit screen. Your linked e-wallet number must match the account name registered on the platform.
KYC is the identity verification process platforms run to confirm an account holder's identity before processing withdrawals above a set threshold. On 4bd, the required documents and submission path are shown in the account verification section after login. Completing KYC is required before certain withdrawal methods become active on the account.
Odds format refers to how a sportsbook expresses the probability and payout of a bet — decimal, fractional or moneyline. Decimal odds are the most common format in Bangladesh sportsbook markets and show the total return per unit staked, including the original stake. You can switch the display format in the sportsbook settings panel.
Knowing a definition is useful; seeing where the term actually shows up in the lobby is what turns it into a usable tool. When you open a slot like Lucky Spinners, the game detail panel shows volatility rating alongside whatever RTP the stud
When you open Lucky Spinners in the slot lobby, the game detail panel lists its volatility tier. That single label tells you whether to expect frequent small returns or infrequent larger prize rounds — useful information before you set your stake.
In the sportsbook, each cricket match row shows the handicap line next to standard match odds. The handicap value shifts based on the teams involved. Selecting it opens the bet slip where your stake and potential return are calculated automatically using the decimal odds format.
After a bKash transfer completes, the amount appears in your platform wallet balance on the account screen. This is your wagerable balance. Any gameplay balance with a rollover condition shows as a separate entry — the two are not combined until the rollover condition is met.
When you submit a withdrawal request above the threshold shown in your account, the platform routes you to the KYC section if verification is incomplete. The documents required and the upload fields are listed there — follow the instructions shown on that screen.
A player who understands volatility will not be surprised when a high-variance slot from Bigtime Gaming goes several rounds without a prize — that is the mechanic, not a malfunction. A player who knows what rollover means can look at the condition attached to a reward balance and decide whether it is worth pursuing before committing wagers.
Terms cluster into four practical groups depending on where in the platform they appear. Knowing which group a term belongs to tells you which screen to navigate to when you need to check it.
RTP, volatility, house edge, payline, bonus round and multiplier all appear on the game detail panel or within the rules screen of each title. Slots from Habanero and JDB show these where the studio has made them available. Open the game, then the rules icon, to find them.
Asian handicap, over/under, decimal odds, spread and accumulator all appear in the sportsbook section. Each market row displays the format and value. Cricket markets — BPL, international tests and T20s — are the most active section and show the widest range of these term types.
Deposit, withdrawal, e-wallet, transfer confirmation and available balance all appear in the account wallet section. bKash, Nagad and Rocket are the supported local rails; each has a dedicated deposit flow with its own confirmation steps shown on screen after you initiate the transfer.
KYC, rollover, turnover requirement, wagering condition and account tier all appear in the account dashboard after login. gameplay conditions are shown as individual line items — check the dashboard rather than making assumptions about what applies to your current balance.
These questions cover how to locate, use and act on the terms defined above — specific to the 4bd account flow and lobby layout rather than the definitions themselves.
Open the slot from the lobby, then look for the information or rules icon inside the game screen. Where the studio — Habanero, JDB, Spadegaming or Bigtime Gaming — has disclosed the RTP figure, it appears in that panel. If the studio has not published it, the field will not display a number.
Log in and open your account dashboard. Any active gameplay balance appears as a separate line from your main wallet balance. The rollover requirement and the progress toward meeting it are shown on the same line. Do not rely on memory — the dashboard reflects the current state.
A confirmed bKash transfer and a credited platform wallet balance are two separate events. The platform wallet updates after the deposit is processed on our side, which happens after the bKash confirmation. If the balance has not updated after a reasonable wait, contact support through the account help section with the bKash transaction reference.
The documents required and the exact upload fields are listed in the account verification section, accessible after login. Requirements can vary depending on your account activity and the withdrawal amount requested. Check the verification screen directly — the instructions shown there are the current ones applicable to your account.
Yes. Open the sportsbook section and look for the odds format selector in the settings or display panel. Switching the format changes how all markets in that session display, without affecting the underlying odds value or your placed bets. Decimal is the default format.
Crash games like Crash Lightning use a multiplier-based mechanic rather than traditional slot reels, so the standard volatility label does not apply in the same way. The risk level shifts based on when you cash out relative to the multiplier at the time.
If a term in the lobby or your account screen is still unclear after checking this glossary, our support team can walk you through the specific screen or step you are looking at. Reach out through any of the channels below — have your account details and the relevant transaction reference or game name ready when you do.
Open the live chat widget from the bottom of any screen after login. Describe the term or screen you need help with and a support agent will explain the specific step or balance entry you are looking at. Useful for wallet and rollover questions where account context matters.
The account help section, accessible from the main account menu after login, contains guides for deposit flows including bKash, Nagad and Rocket transfers, KYC document submission and wallet balance queries. Check here first for step-by-step process questions.
For detailed queries — such as a disputed game result, a KYC document question or a Rocket transfer that did not credit — use the email support route shown in the help section. Include your account reference and a description of the term or transaction in question for a faster resolution.