Privacy Policy
윤룩말 (Yun Rukmal) (the "Operator") protects the personal information of users of the mobile game "Steel Vanguard" (the "Game") in accordance with the Personal Information Protection Act of the Republic of Korea and other applicable laws. This Policy explains what information the Game collects and why, how it is used, and when it is deleted.
1. Information We Collect
| When | What | Why |
|---|---|---|
| Playing as a guest | Game progress (currencies, levels, battle records, etc.). This is stored only on your device and is not sent to the Operator. | Game progress |
| Creating an account (optional) | Email address and password (the password is stored encrypted and cannot be viewed even by the Operator). If you sign in with Google, we receive the email address and unique identifier of your Google account (we do not receive your password). | Sign-in · continuing progress across devices · password recovery |
| Playing while signed in | Game progress, Endless Tower records, Arena scores, Lord name (if you set one) | Saving progress · leaderboards · showing Arena opponents |
| While playing | Usage statistics — which screens you viewed, which stage you stopped at, error details, device screen size and language. Your email address and name are not sent. Nothing is sent for users under 14. | To fix and balance the Game |
| Watching ads (optional) | Information collected by the ad provider, such as the advertising identifier (the ad ID assigned by your device). Users under 14 are shown non-personalized ads only. | Providing rewarded ads |
| Making a purchase | Purchase records (item and receipt number). Payment information such as card numbers is processed by Google and Apple; the Operator does not receive it. | Delivering purchased items · preventing duplicate delivery |
What other players can see: the Endless Tower and weekly Arena leaderboards and the Arena opponent screen show your Lord name and records (best floor · score · Arena rating). If you have not set a Lord name, a number such as "Lord #1234" is shown instead. This is a four-digit number assigned to each account and is not related to your email address. Your email address is never shown to other players. You can change or clear your Lord name at any time from the lord card in the game.
Abuse prevention: game records uploaded while signed in (currencies, purchase receipts, and Arena inputs) are checked automatically on our servers, and the results (anomaly flags and check times) are kept. For Arena matches against recorded or AI opponents, the server re-computes the same match to verify the result. When you delete your account, these check records are deleted too (records of account restrictions are kept for dispute handling).
2. Service Providers (Outsourcing of Processing · Transfer Abroad)
The Game uses the services below. Each service processes information only for the stated purpose.
| Recipient | Purpose | Information |
|---|---|---|
| Google LLC — Firebase Authentication · Cloud Firestore · Cloud Functions (United States · data stored in Seoul, Republic of Korea) | Accounts · saving progress · rankings | Email, game records |
| Google LLC · Apple Inc. — Firebase App Check · Google Play Integrity · Apple App Attest (United States) | Verifying the genuine app and device (abuse prevention) | App and device integrity verdicts (no device identifiers are sent to the Operator) |
| Google LLC — Google Analytics · Firebase Crashlytics (United States) | Usage statistics · error reports (users aged 14 or older only) | Usage records, error records, device information |
| Google LLC — AdMob (United States) | Advertising | Advertising identifier, device information |
| Google Play · Apple App Store | Payments | Purchase information |
Information is transmitted over the internet while you use the Game. You may play the Game as a guest without creating an account.
3. Retention Period and How to Delete
- Account information and game records stored on the server are deleted immediately when you delete your account. You can delete them yourself in the Game under Lord card → Delete Account.
- Guest progress stored on your device is deleted when you uninstall the app.
- Usage statistics are deleted after the Google Analytics retention period (up to 14 months).
- Payment records that applicable law requires us to keep are retained for the required period (5 years under the Act on Consumer Protection in Electronic Commerce of Korea).
4. Your Rights
You may at any time request access to, correction or deletion of your information, or suspension of its processing. You can delete your account in the Game, or send a request to the contact below, and we will handle it without delay. You can change ad personalization in your device settings (reset advertising ID · turn off personalized ads).
5. Children
When the Game is launched for the first time, it asks whether the user is 14 or older. If the user answers that they are under 14:
- No usage statistics or error reports are sent.
- Only non-personalized ads are shown.
- An account (email or Google sign-in) cannot be created. Game progress is stored only on the device, and the Arena, which requires an account, is not available.
The answer can be changed in the lord panel in the Game. If we learn that account information from a user under 14 has been collected, we will delete it immediately.
6. Security Measures
Communications are encrypted (HTTPS), and passwords are stored using irreversible encryption. Access to data on the server is restricted so that only you can read and write your own data.
7. Contact
Privacy Officer: 윤룩말 (Yun Rukmal)
Email: tssu106@gmail.com
You may report or seek advice on privacy infringement from the Personal Information Infringement Report Center of the Korea Internet & Security Agency (KISA) (privacy.kisa.or.kr · dial 118 from within Korea).
8. Changes to This Policy
If this Policy changes, we will announce it in the Game at least 7 days before the change takes effect.