This page breaks down the words you'll see across our slot rooms, live tables and sportsbook — from wager terms to wallet terms — so you know what a screen is asking before you tap it. Availability of specific games and payment rails depends on your local law and eligible region.
Knowing what a term means on screen saves you a support ticket later. When a slot room shows 'volatility' or a live table lists 'house edge', that word is telling you how the round behaves, not how much you'll win. Account screens use their own vocabulary too — 'KYC', 'rollover', 'e-wallet' — and each one maps to a step you'll actually take, like confirming a Nagad number or clearing a wager condition before a withdrawal request moves forward. We've gathered the terms you'll meet most often across Cricket Expert Bets, Sylhet Roulette Room, Andar Bahar Card Room and our payment screens, so you can read a lobby notice the same way our support team does.
Account vocabulary
Game vocabulary
Payment vocabulary
TERM FAMILIES MAPPED
See Where bdr99 Places Each Term Family
Our lobby mixes four kinds of vocabulary, and knowing which family a word belongs to tells you what to expect from the screen you're on. Game-mechanic words describe how a round behaves once it starts, while odds and market words describe how a bet is shaped before you place it. Wallet and account words describe a step you take with your bKash, Nagad, Rocket or Upay balance, and information condition words describe a rule attached to a bonus-linked balance rather than your core deposit.
Game Mechanics Words
Terms like 'volatility', 'paylines' and 'multiplier' show up inside slot rooms such as Aviator Bangladesh Guide and crash-style screens. They describe how a round moves and pays, not a fixed outcome — RTP figures are shown only where the game or provider actually exposes them on the game panel.
Odds & Market Words
Across Cricket Expert Bets and Football Betmaster you'll meet 'handicap', 'over/under' and 'market' — words that describe how a bet is structured rather than a result. Reading these before you pick a market helps you understand what you're actually backing.
Wallet & Account Words
'Deposit', 'withdrawal', 'e-wallet' and 'KYC' live inside your account wallet screen where bKash, Nagad, Rocket and Upay routes are listed. These words map directly to a field you fill in or a document step you complete during verification.
Information Condition Words
'Rollover', 'wager requirement' and 'eligible games' appear wherever a information is described on your account notice board. They set out which games count toward a condition and how a balance behaves until that condition clears.
CORE TERM DEFINITIONS
Open the Core Casino Term Definitions
These are the words you'll meet first inside a slot room or a live table — the vocabulary that shows up before you even reach the wallet screen.
RTP (Return to Player)
RTP is a percentage some games publish showing the average share of wagers returned over time. We only show this figure where the game or provider exposes it directly on screen.
House Edge
House edge is the built-in mathematical advantage a game holds over a session, expressed as a share of total wagers rather than a single round's result.
Volatility
Volatility describes how often and how large a game's payouts swing — a high-volatility slot room pays less often but can pay bigger, while a low-volatility one pays smaller amounts more steadily.
Wager (Turnover)
Wager, or turnover, is the total amount you stake across rounds before a withdrawal condition tied to a information clears, counted separately from your deposited balance.
Jackpot
Jackpot refers to a slot room's largest potential payout tier, usually shown on the game's details panel alongside how that feature is triggered during play.
Live Dealer
Live dealer describes a table — such as Andar Bahar Live Table — streamed from a real dealer in real time, rather than a computer-generated round.
ODDS AND ACCOUNT TERMS
Browse Odds, Payment and Account Terms
Once you're past the game screen, a second set of words takes over — the ones tied to markets, your wallet and your account checks.
Asian Handicap
Asian handicap is a sports-betting format that gives one side a head start or deficit before the match starts, used across our cricket and football markets to balance uneven matchups.
Over/Under
Over/under asks you to pick whether a match total — runs, goals or points — finishes above or below a line set for that market, common on our cricket screens.
Rollover
Rollover is the number of times a balance tied to a information condition must be staked before it becomes part of your withdrawable account balance.
E-wallet
E-wallet refers to a mobile money account — bKash, Nagad, Rocket or Upay — that you link to your account wallet for deposit and withdrawal requests.
KYC (Know Your Customer)
KYC is the identity-check step where you confirm your details against the ones on your account before a withdrawal request or wallet change is processed.
Session Limit
Session limit is a control you set on your account to cap how long or how much you play in one sitting, visible in your account settings page.
TERMS IN ONE SCREEN
Switch Between Terms Across One Screen
Terms rarely show up alone — a single screen in our lobby often combines several at once. Open Sylhet Roulette Room and you'll see 'house edge' language next to table limits; move to Cricket Expert Bets and 'handicap' sits beside a market list; check your account wallet and 'KYC' sits next to your bKash or Nagad confirmation field. Reading these together, rather than one definition at a time, is what actually helps you decide where to play and what a screen is asking you to confirm.
Sylhet Roulette Room
House-edge language sits next to table limits here, so you can read the betting layout before placing a chip rather than guessing what each number range pays.
Cricket Expert Bets
Handicap and over/under terms appear directly beside the market list, letting you see the format of a bet before you commit to a selection.
Account Wallet Screen
KYC and e-wallet terms sit next to your bKash, Nagad, Rocket or Upay confirmation field, so a verification step reads as a form field, not a mystery.
Aviator Bangladesh Guide
Volatility and multiplier language appear on the game panel, describing how a round behaves rather than promising a result.
ASK ABOUT A TERM
Ask About a Term You Don't Know
If a word on a game screen or wallet page still doesn't make sense after reading this page, you don't have to guess your way through it. Our support routes are built for exactly that — a quick question about what 'rollover' means on your current balance, or why a withdrawal request is sitting in a KYC-pending state. We'd rather answer a glossary question before you commit a session than have you second-guess a screen mid-game. Use the support channel visible on your account page, check the notice attached to a specific game or information, or check the published policy pages linked from your account settings. Each route leads to the same answer — nothing here depends on a channel we haven't actually built into the account experience. This turns a definition you read earlier into an action you can take without waiting on a reply.
Account Support Route
Open the support option visible from your signed-in account page to ask about a specific term you saw on a wallet or game screen.
Game Details Panel
Check the details panel inside a game room — like Sylhet Roulette Room or Aviator Bangladesh Guide — for term definitions specific to that screen.
Published Policy Pages
Check the policy pages linked from your account settings for the exact wording we use around wagers, verification and withdrawal conditions.
USING THE LOBBY
Explore Common Questions About Using These Terms
Once you know what a term means, the next question is usually where to actually use it — this is where that gap closes.
Where do I see RTP information for a specific slot room?
Open the game and check its details panel inside the room — RTP figures are shown only where the game or provider exposes them there, not on a separate page.
How do I know which wallet terms apply to my deposit?
Your account wallet screen lists bKash, Nagad, Rocket and Upay as configured routes, and each one shows the exact field names — like 'reference number' — you need to complete a deposit.
What should I check before placing a cricket handicap bet?
Open the market list inside Cricket Expert Bets and read the handicap line next to each side before selecting it, since that line sets the actual condition of your bet.
Where do I find my current rollover or wager condition?
Your account balance screen shows an active rollover figure next to any information-linked balance, so you can see what's cleared and what still needs staking before withdrawal.
How do I complete KYC before a withdrawal goes through?
Follow the verification fields shown on your account page when a withdrawal request flags KYC-pending, matching your submitted details to the identity details already on file.
Can I set a session limit if I'm not sure how long I played?
Open your account settings page to set a session control for future sessions; it applies going forward and is visible alongside your other account preferences.