LinkLink Privacy Policy (English)

Fourblock Studio (the “Company”) establishes and discloses this Privacy Policy in accordance with Article 30 of the Personal Information Protection Act of Korea to protect users’ personal information and to handle related complaints promptly and smoothly.

This Service is intended for users aged 14 or older.
Users under the age of 14 are not permitted to use this Service.

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1. Purpose of Processing Personal Information

The Company processes personal information for the following purposes.
Personal information will not be used for purposes other than those listed below, and if the purpose of use changes, necessary measures will be taken in accordance with applicable laws.

• User authentication and login

• Saving and loading game data

• Processing gameplay records, rankings, and statistics

• Service operation and stability

• Error analysis and prevention of fraudulent use

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2. Items of Personal Information Processed

The Company processes only the minimum personal information necessary to provide the Service.

(1) Member service operation (processed without consent)

• User identifier (UID)

• Account information and gameplay data (email, nickname, etc.)

(2) Automatically collected during service use

• Access logs

• Device and browser information

• Error and usage records

※ The Company does not collect real names, physical addresses, phone numbers, resident registration numbers, or sensitive personal information.

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3. Retention and Use Period of Personal Information

Personal information is retained and used until the user withdraws from the Service.

When a user requests account deletion or when the purpose of processing is achieved, the personal information is destroyed without delay.

However, if retention is required under applicable laws, the information will be stored for the period specified by such laws.

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4. Procedures and Methods for Destruction of Personal Information

Procedures

When the retention period expires or the purpose of processing is fulfilled, personal information selected for destruction is destroyed in accordance with internal policies.

Methods

• Electronic files: Permanently deleted using methods that prevent recovery

• Printed materials: Destroyed by shredding or incineration

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5. Provision of Personal Information to Third Parties

The Company does not provide users’ personal information to third parties.
Exceptions apply only when disclosure is required by applicable laws.

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6. Outsourcing of Personal Information Processing

The Company outsources certain personal information processing tasks as follows for service operation.

• Service provider: Firebase

• Scope of work: User authentication, data storage, and server operation

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7. International Transfer of Personal Information

For service provision, personal information may be stored and processed on servers located outside the user’s country of residence, including Firebase and Google Cloud servers.
In such cases, the Company complies with applicable legal requirements.

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8. Rights of Users and How to Exercise Them

Users may exercise the following rights at any time:

• Request access to, correction of, or deletion of personal information

• Request account deletion

Requests may be submitted through the Service or via email.

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9. Measures to Ensure the Security of Personal Information

The Company implements the following measures to protect personal information:

• Minimization of access privileges

• Authentication-based access control

• Secure management of servers and databases

• Logging and monitoring

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10. Personal Information Protection Officer and Contact Information

• Personal Information Protection Officer: Fourblock Studio, Taehyun Lee

• Email: fourblockstudio@gmail.com

• Service Name: LinkLink

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11. Changes to This Privacy Policy

This Privacy Policy may be amended due to changes in laws or the Service.
Any changes will be announced through the Service or related web pages.

Last Updated: December 16, 2025

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12. Governing Language

In the event of any dispute, conflict, or discrepancy regarding this Privacy Policy, the Korean version of the Privacy Policy shall prevail and be the governing version.