App / Sports
This glossary covers the terms you encounter across our game rooms, sportsbook, and account wallet — from odds formats and game mechanics to payment routes like Nagad and Bank Transfer.
A lot of frustration at the cashier or in the lobby comes down to unfamiliar language. When a slot shows a volatility rating, when a sportsbook lists Asian handicap lines, or when your account prompts a KYC document upload, knowing what those phrases mean s
Our lobby organises terms into four practical groups depending on which screen you are on. Knowing which family a word belongs to helps you find the right answer faster.
Labels like RTP, volatility, payline, and multiplier appear on slot detail pages and live table info panels.
Asian handicap, over/under, decimal odds, and spread are terms on the sportsbook board — particularly across cricket markets covering IPL and BPL fixtures. Each term changes how your stake is calculated against the result, so reading the definition before placing matters.
Deposit, withdrawal, minimum transfer, and processing queue are terms tied to your account cashier. Nagad appears as our primary deposit route; Bank Transfer is the fallback for players who prefer direct account-to-account movement rather than a mobile wallet.
Rollover, wagering requirement, qualifying stake, and expiry date govern any information you activate. These terms appear in the information detail panel inside your signed-in account area. Reading them before opting in prevents confusion about when a gameplay becomes withdrawable.
Plain definitions for the words you encounter most often in our slot rooms and live casino.
RTP stands for Return to Player. It is the percentage of total stakes a game is designed to return over a very large number of rounds. A figure of 96% means the game returns 96 taka for every 100 wagered on average across all sessions, not in any single session.
House edge is the mathematical advantage the operator holds on a given game or market. It is the mirror of RTP carries a 4% house edge. Table games like roulette have a fixed house edge built into the rules regardless of strategy.
Volatility, sometimes called variance, describes how a slot distributes its payouts. High-volatility games pay less often but in larger amounts when they do pay. Low-volatility games pay more frequently with smaller values per round.
A wager or turnover requirement is the total amount you need to stake before a credited gameplay can be withdrawn. If a condition states 10x turnover on a 500 taka amount, you must place 5,000 taka in qualifying bets before withdrawal is unlocked.
A jackpot in slot terms refers to the largest prize-tier feature a game offers, usually triggered by a specific symbol combination or a random event during play. The prize amount depends entirely on the game's own mechanics and the provider's published rules.
Live dealer means a real human croupier runs the game via video stream rather than a random number generator. You see the dealer on screen, interact through a chat or betting interface, and results come from physical cards or a real roulette wheel in a studio environment.
Definitions for the terms you encounter on the sportsbook board, at the cashier, and during account verification.
Asian handicap is a cricket and football betting format that removes the draw outcome by giving one side a virtual head start. A -1.5 handicap means your chosen team must win by at least two runs or goals for the bet to pay out at the quoted odds.
Over/under is a market where you predict whether a combined total — such as runs scored in an innings or goals in a match — will finish above or below a line set by the sportsbook. Your predicted score does not matter; only whether the total crosses that line.
Rollover is the number of times you must wager a gameplay amount before it converts to withdrawable balance. It is identical in meaning to wagering requirement. The specific multiplier is shown in the information conditions panel inside your signed-in account area.
An e-wallet is a mobile or app-based payment account that holds funds independently of a bank. In Bangladesh, Nagad is a widely used e-wallet route on our platform. Deposits via e-wallet route funds from your wallet balance directly into your op33 account cashier.
KYC stands for Know Your Customer. It is an identity verification process where you submit documents — typically a national ID or passport — so our account team can confirm your identity before processing withdrawals above certain thresholds. The upload path is inside your account settings.
Decimal odds show the total return per one unit staked, including your original stake. Odds of 2.50 mean a 100 taka stake returns 250 taka total if the bet wins — 150 taka profit plus the original 100 back. This format is standard across our sportsbook markets.
Seeing terms in isolation is one thing; recognising them mid-session is another. When you open a slot from our Pragmatic Play catalogue, the game detail panel shows RTP and volatility side by side.
On a Pragmatic Play slot with high volatility, a smaller stake per round spreads your session budget across more spins, giving the game's feature mechanics more opportunity to trigger. The volatility label is shown on the game info tab before you enter the room.
During an IPL or BPL match, the handicap line on a cricket market adjusts in real time as the match progresses. The current line and its associated odds are displayed directly on the market row — no separate page required.
From the cashier tab in your signed-in account, select Nagad, enter the deposit amount within the limits shown, then complete authorisation inside your Nagad app. The credited amount appears in your op33 account wallet once the transfer confirms on our end.
If your account shows a KYC prompt on the withdrawal screen, navigate to account settings and open the verification section. The document types accepted and the upload fields are listed there. Submitting the correct document clears the prompt for future withdrawals.
If a term on our platform is not covered here, or if its meaning in a specific context is still unclear after reading the definition, our support team can walk you through it in plain language.
Open the chat widget from any page inside your signed-in account. Available directly on the platform for account and game-related questions, including wallet and payment term clarifications.
Send your question to the support address listed on our Contact page. Include the term, the screen where you saw it, and your account reference so the team can give you a specific, context-accurate answer.
Our Help Centre contains step-by-step articles on deposit routes including Nagad and Bank Transfer, account verification, and sportsbook bet types. Access it from the footer link on any page of the site.
Common questions about how the terms in this glossary connect to actual account and lobby features on our platform.
RTP is shown on the game detail panel before you enter the slot room. Not every title displays a figure — it depends on whether the provider publishes it. Where the figure is available, it appears in the info tab on the game card.
Open your signed-in account area and navigate to the information section. Each active information has a detail panel that shows the rollover multiplier, qualifying game categories, and the expiry date. Read those fields before placing qualifying stakes.
Deposit and withdrawal route options depend on what is available in your account cashier at the time. The cashier screen shows the routes active for your account. Check that screen for the current combination available to you rather than assuming a fixed pairing.
When KYC is pending, some account functions — typically withdrawals above a set threshold — are held until verification completes. Upload the requested documents in the account settings verification section. The team reviews submissions and updates your account status accordingly.
A standard match winner bet has two or three outcomes. Asian handicap removes the draw by applying a virtual run or goal offset to one side, so the market resolve
Bank Transfer availability depends on your account region and the verification status shown in your cashier. Where it is active, the deposit form shows the bank details and transfer reference to use. Availability is subject to local law and eligible regions.