Ok big is more than an online gaming platform — it's a place trusted and loved by millions of gamers across Bangladesh. We believe every player deserves the best possible experience.
Ok big's mission is to give every gamer in Bangladesh a world-class online gaming experience — in their own language, with their preferred payment methods, and in a completely safe environment. We want everyone who comes to ok big to feel right at home.
We envision an online gaming landscape in South Asia where Bangladeshi players can enjoy the best games without any barriers. ok big is working toward becoming Bangladesh's number one gaming platform by 2026.
Ok big started from a simple dream — to build a truly trustworthy online gaming platform for the people of Bangladesh. At the time, most platforms available in Bangladesh operated in foreign languages, had complicated payment processes, and offered nothing tailored to Bangladeshi users.
The founding team of ok big set out to fill that gap. They knew Bangladeshis loved online gaming but lacked a platform built for them. That insight gave birth to ok big — with Bengali-language support, easy transactions via mobile banking, and every feature designed with Bangladeshi users in mind.
Ok big believes online gaming should be fun, safe, and responsible. We never want any of our players to be harmed by gaming. That's why responsible gaming is our top priority. Every account includes budget-setting tools, a self-exclusion option, and limit controls.
Transparency is a core principle at ok big. Every game's RTP is published, bonus terms and conditions are written in plain language, and there are no hidden charges in payment processing. We believe players have the right to accurate information.
Ok big uses the latest technology to keep every player's data and transactions secure. 256-bit SSL encryption, two-factor authentication, and a real-time fraud detection system are always active. Our servers are hosted at world-class data centers, so ok big experiences virtually zero downtime.
All games on ok big are regularly tested by independent auditing agencies. RNG certification ensures that every game outcome is completely random and cannot be manipulated by anyone. We are a licensed platform that complies with international regulations.
Bangladesh's first fully Bengali-language gaming platform launches.
In just one year, ok big welcomed over 100,000 members. The mobile app went live.
Evolution and JDB live games and fish game sections launch on ok big. 300,000 members reached.
The game lobby surpasses 500 games. Bingo section launches and the 500,000-member milestone is reached.
Ok big keeps moving forward — with an upgraded app, faster payments, and more games.
Ok big offers advantages that are hard to find on other platforms
Ok big runs entirely in Bengali. Customer support, game guides, and bonus information are all available in your language. Deposits and withdrawals are easy via mobile banking and local payment methods.
Ok big uses 256-bit SSL encryption. Your personal information and transactions are completely secure. No data is shared with any third party.
Deposits on ok big are credited to your account instantly. Withdrawal requests are processed within 24 hours. Both mobile banking and bank transfer methods are supported.
Ok big's game lobby features 20+ top providers including Pragmatic Play, Evolution, and PG Soft. New games are added every week. All games are certified.
The ok big app is available on both Android and iOS. Touchscreen gameplay is smooth and responsive, and the app loads fast even on a slow connection — built with Bangladesh's network conditions in mind.
Ok big is committed to responsible gaming. Budget limits, self-exclusion, and gaming break tools are all available. Our goal is fun, not harm.
Ok big always keeps its promises. Licensed, audited, and transparent.
Player benefit and safety are the top priority in every decision we make.
Ok big stays ahead of the curve in technology and gaming experience.
Fun gaming and social responsibility — that's what ok big stands for.
Ok big operates under an international gaming license — fully legal and compliant.
All games are regularly audited by independent third-party organizations. RTP is always publicly disclosed.
All data and transactions are protected with 256-bit SSL encryption.
Whenever you need help, ok big's support team is always ready to assist you in Bangla.
Over 500,000 members actively enjoy our services and keep coming back.
Behind ok big is a dedicated and experienced team working every day to make your gaming experience better.
Continuously working on adding new games and improving the platform.
Servers are monitored around the clock to keep ok big fast and secure at all times.
Always ready to resolve your issues in Bengali — via live chat.
Works to ensure fast and secure deposits and withdrawals.
Trustworthy, safe, and fun — register on ok big today and claim your welcome bonus