9Card Code (VN) Top Up: Digital Prepaid Cards for Vietnamese Games
9Card Code (VN) is a widely used digital prepaid game card designed specifically for topping up online games and mobile titles operating on Vietnamese servers. Similar to traditional scratch cards (thẻ cào), the digital 9Card provides players with a secure Serial Number (Số Seri) and Card PIN (Mã Thẻ) that can be redeemed directly on official game publisher recharge portals.
Using 9Card is one of the most reliable payment options for international and local players who want to purchase premium in-game currencies, event battle passes, character summons, VIP memberships, and special bundles without linking a local Vietnamese bank account or credit card.
Supported Vietnamese Games and Platforms
9Card is integrated into multiple publisher recharge gateways across Vietnam. Some of the most popular titles that accept 9Card include:
- Treasure Island - Arena Island (Đảo Kho Báu): Reload your account to purchase diamonds, summon tickets, and exclusive tactical gear.
- Endless Treasure (Kho Báu Vô Tận): Top up gems and stamina items to progress rapidly through pirate-themed tactical stages.
- Vietnamese Tactical & Strategy RPGs: Convert card credits into premium tokens for character recruitment, equipment upgrading, and cross-server arena events.
- Mobile Card Battlers and MMORPGs: Access monthly subscription cards, first-recharge bonus packages, and server launch events.
Because game libraries evolve continuously, always verify that your specific title or publisher payment gateway lists 9Card (Thẻ 9Card) among its supported payment options prior to redemption.
Available 9Card Code (VN) Denominations and Pricing
9Card vouchers come in standardized Vietnamese Dong (VND) face values. Each denomination provides a corresponding amount of publisher points or in-game diamonds, determined by the individual game's exchange rate.
| Card Denomination (VND) | Typical In-Game Usage | Best For |
|---|---|---|
| 10,000 VND | Daily stamina packs, low-tier resource chests | Minor top-ups & testing |
| 20,000 VND - 50,000 VND | First-purchase bonus packs, basic summon tickets | Casual daily rewards |
| 100,000 VND | Monthly privilege cards, weekly growth funds | Regular active players |
| 200,000 VND - 500,000 VND | Limited-time gacha summons, VIP rank upgrades | Competitive guild players |
| 1,000,000 VND - 2,000,000 VND | High-tier event packages, exclusive gear sets | Major event spending |
Note: Exact pricing in your local currency is displayed in real time on the BitTopup checkout page, reflecting current exchange rates.
How to Find Your Game Account ID and Server Details
Before redeeming your card on a publisher portal, you must identify your exact Account ID, Character Name, or Server to ensure the credits are sent to the correct profile.
- Launch your game on your mobile device or emulator.
- Tap on your Avatar / Profile Icon, usually located in the top-left corner of the main screen.
- Locate your User ID (UID), Account ID, or Role ID.
- Take note of your Server Number / Server Name (e.g., S10 - Grand Line).
- Copy or write down the ID accurately.

Step-by-Step Guide: How to Redeem 9Card Code (VN)
Redeeming your 9Card is a straightforward process completed through the official web recharge center of your game publisher. Follow these steps to redeem your voucher:
- Retrieve Your Digital Code: After completing your order on BitTopup, open your order details to view the Serial Number and Card PIN / Password.
- Open the Game Top-Up Portal: Visit the official payment portal for your specific Vietnamese game (or open the in-game recharge window).
- Log In to Your Game Account: Sign in using your registered game credentials, Facebook, Google, or Publisher Account.
- Select Server and Character: Choose the correct server and character profile you wish to credit.
- Choose 9Card Payment Method: Select 9Card (or Thẻ 9Card) from the list of prepaid game cards.
- Enter Serial and PIN: * Type the Serial Number into the Số Seri field. * Type the Card PIN into the Mã Thẻ / Mật Mã field.
- Select Face Value: If prompted by the portal, select the exact VND face value corresponding to your purchased card.
- Confirm the Transaction: Click the submit button. Once validated, the in-game currency or points will be delivered instantly to your character.
Vietnam Account and Regional Compatibility Requirements
9Card Code (VN) is strictly tied to the Vietnamese gaming region. Please review these regional specifications before purchasing:
- Regional Server Lock: 9Card codes can only be redeemed on Vietnamese game versions and official VN payment gateways. They cannot be applied to global, European, North American, or non-Vietnamese regional clients.
- Currency Structure: All 9Card values are pegged to Vietnamese Dong (VND). When redeemed, the portal converts the VND face value directly into the game's native currency (Gems, Diamonds, KNB, or Gold) according to the publisher's standard conversion table.
- Single-Use Codes: Each 9Card PIN and Serial pair is single-use. The entire face value must be redeemed at once; partial balance storage on a single code is not supported.
Why Buy 9Card Code (VN) on BitTopup
BitTopup provides a safe, quick, and hassle-free way to purchase prepaid Vietnamese gaming cards from anywhere in the world.
- Zero Password Requirement: You never need to share your game account login or sensitive passwords. You receive the digital code and redeem it yourself directly on the official game portal.
- Instant Digital Delivery: Automated systems generate and display your Serial Number and PIN in your BitTopup account immediately after payment is confirmed.
- Competitive Pricing & Real-Time Rates: BitTopup maintains clear pricing across all available VND denominations without hidden fees.
- Diverse Payment Options: Complete your purchase using global and localized payment channels with encrypted checkout security.
- 24/7 Dedicated Support: If you ever run into questions regarding code receipt or portal submission, BitTopup customer support is available around the clock to assist.
Troubleshooting Common 9Card Code Redemption Issues
If you experience an error while redeeming your 9Card on a game portal, check the following solutions:
- Invalid Card Details Error: Double-check the characters in both the Serial and PIN. Avoid accidental spaces before or after the numbers. Pay close attention to easily confused characters, such as the number 0 and letter O, or the number 1 and uppercase I.
- Face Value Mismatch: Some Vietnamese payment portals require you to manually select the card denomination (e.g., 50,000 VND) before entering the code. Selecting a different value than the actual card denomination can cause the portal to reject the code.
- Card Already Used: If the portal returns a message stating the card has been redeemed, verify your in-game mailbox or diamond balance. In some cases, web portals execute the transaction but fail to update the browser confirmation page. Relogging into the game will confirm whether the funds arrived.
- Maintenance Windows: Vietnamese game publisher portals occasionally undergo scheduled server maintenance. If a portal returns a gateway error, wait 15–30 minutes before re-submitting your credentials.
Frequently Asked Questions
What games can I top up using a 9Card Code (VN)?
9Card Code (VN) is used to recharge popular Vietnamese mobile games, MMORPGs, and strategy titles, including Treasure Island - Arena Island (Đảo Kho Báu), Endless Treasure (Kho Báu Vô Tận), and various other anime and tactical card battlers published in Vietnam.
How do I redeem my 9Card Code (VN) in-game?
Log in to your game's official web recharge center, select your server and character, choose 9Card as your payment method, enter the Serial Number and Card PIN, and confirm. The funds will be credited to your game account immediately.
Can I use a 9Card Code (VN) on non-Vietnam game accounts?
No. 9Card codes are region-locked to Vietnam. They can only be redeemed on game servers and publisher portals operating under the Vietnamese service region.
How quickly will I receive my 9Card Code after purchasing?
Orders on BitTopup are processed automatically. Your 9Card Serial Number and PIN become available in your order dashboard instantly upon successful payment completion.
What should I do if my 9Card Code displays an invalid error?
First, verify that you entered the Serial and PIN into their respective fields without spaces. Ensure that the denomination selected on the publisher site matches your card face value exactly. If the issue persists, take a screenshot of the error and contact BitTopup customer support with your order number.
Do 9Card (VN) codes have an expiration date?
9Card digital codes typically have a long validity period from the date of issue. However, we recommend redeeming your Serial and PIN promptly upon purchase to secure your in-game currency right away.






















