Terms of Service

Effective Date: August 19, 2026 · Last Updated: August 19, 2026

Chapter 1 — General Provisions

Article 1 (Purpose)

These Terms of Service ("Terms") govern the use of the game service "Tetri Tower" and any related networks, websites, or ancillary services (collectively, the "Service") provided by KONENINE ("Company"). These Terms establish the rights, obligations, and responsibilities between the Company and users of the Service.

Article 2 (Definitions)

  1. "Company" refers to KONENINE, which provides the Service through mobile devices.
  2. "Member" refers to any person who has agreed to these Terms and uses the Service provided by the Company.
  3. "Account" refers to information used by the Company to identify and recognize Members.
  4. "Guest Member" refers to a person who uses the Service via a temporary account tied to their device without formal login.
  5. "Registered Member" refers to a Member who has linked an Apple ID or Google account to protect their account and preserve data across devices.
  6. "Mobile Device" refers to any device (iPhone, iPad, etc.) capable of downloading and running the application.
  7. "Account Information" refers to the Member's UUID, nickname, avatar index, linked Apple/Google account identifier, gameplay data (progress, scores, diamond balance, items), payment records, and similar information.
  8. "Content" refers to all paid or free digital material (games, diamonds, items, tools) provided by the Company in connection with the Service.
  9. "Open Market" refers to electronic commerce environments such as the Apple App Store through which game content is installed and purchased.
  10. "Diamonds" are the in-game virtual currency, purchasable through paid transactions or awarded through events, used for paid refreshes and other premium features.
  11. "Advertisements" refers to rewarded videos and interstitial ads shown in the Service; viewing may grant in-game rewards.

Article 3 (Company Information)

Article 4 (Effect and Amendment of Terms)

① The Company publishes these Terms within the Service or on linked pages so Members can review them. Important provisions such as service suspension, withdrawal of subscription, refunds, contract termination, and Company disclaimers will be clearly emphasized.

② When amending these Terms, the Company will provide at least 7 days' notice before the effective date via the Service or a linked page. Amendments unfavorable to Members or of material importance will be announced at least 30 days in advance.

③ If a Member does not agree to the amended Terms, either party may terminate the Service contract.

④ The Company may amend these Terms within the bounds of applicable laws including the Act on Consumer Protection in Electronic Commerce, the Act on Regulation of Terms and Conditions, the Game Industry Promotion Act, the Act on Promotion of Information and Communications Network Utilization and Information Protection, and the Content Industry Promotion Act.

Article 5 (Formation and Application of the Service Contract)

① The Service contract is formed when a prospective Member ("Applicant") agrees to these Terms, submits a use application, and the Company accepts.

② The Company will, in principle, accept Applicants. The Company may, however, decline applications that:

  1. Contain false information or fail to meet application requirements;
  2. Use abnormal or circumvention methods to access the Service from a country where the Service is not offered;
  3. Aim at prohibited activities under relevant law;
  4. Aim to disturb public order or morals;
  5. Seek to use the Service for improper purposes;
  6. Seek to use the Service for commercial profit;
  7. Are otherwise deemed inappropriate on grounds equivalent to the above.

③ A Member may initially use the Service as a Guest and later convert to a Registered Member by linking their Apple ID (Sign in with Apple) or Google account.

Article 6 (Supplementary Rules)

Matters not stipulated in these Terms and interpretation thereof are governed by applicable laws (Act on Consumer Protection in Electronic Commerce, Act on Regulation of Terms and Conditions, Game Industry Promotion Act, etc.) or general commercial practice.

Article 7 (Operational Policy)

① Matters required to apply these Terms and matters delegated by these Terms may be set forth in the Service operational policy ("Operational Policy").

② The Company publishes the Operational Policy within the Service or on linked pages for Member access.

Chapter 2 — Personal Information Management

Article 8 (Protection and Use of Personal Information)

① The Company protects Member personal information in accordance with applicable law. The protection and use of personal information is governed by the Privacy Policy at https://tetritower.konenine.kr/legal/privacy/en.

② Depending on the Service, a Member's nickname, avatar image, high scores, and similar information may be displayed publicly (e.g., leaderboards).

③ Except as required by law, the Company does not provide Member personal information to third parties without consent.

④ The Company is not responsible for damages resulting from personal information leaks caused by the Member's own fault.

Chapter 3 — Obligations of the Parties

Article 9 (Company's Obligations)

① The Company complies faithfully with applicable law and these Terms in exercising rights and performing obligations.

② The Company maintains security systems to protect personal information and publishes and abides by its Privacy Policy.

③ The Company shall make its best effort to promptly repair or restore any equipment failure or data loss, absent unavoidable causes such as force majeure or technical impossibility.

Article 10 (Member's Obligations)

① A Member shall not engage in any of the following in connection with the Service:

  1. Providing false information on application or account update;
  2. Selling, transferring, or acquiring cyber assets (accounts, characters, items, diamonds) through unofficial channels;
  3. Impersonating Company staff or other persons in postings or messages;
  4. Using another person's credit card, bank account, Apple ID, or Google account to purchase paid content, or misusing another Member's account;
  5. Collecting, storing, publishing, or distributing another Member's personal information without permission;
  6. Sharing obscene or degrading content, or using in nicknames words, sounds, or images likely to cause shame, disgust, or fear;
  7. Using the Service for commercial, political, or electioneering purposes without authorization;
  8. Reproducing, distributing, or commercially exploiting information obtained through the Service, or exploiting bugs;
  9. Infringing intellectual property or portrait rights of the Company or others, or damaging others' reputations;
  10. Modifying the application, injecting other programs, hacking or reverse-engineering the server, or leaking source code;
  11. Using automation programs (macros, bots, auto-play) to interact with the Service;
  12. Illegitimately obtaining or manipulating rewarded-ad payouts, leaderboard rankings, or free-refresh allowances;
  13. Any act contrary to applicable law or good public morals.

② Members are solely responsible for managing their accounts and devices. The Company is not liable for damages resulting from a Member's failure to manage accounts or from unauthorized use permitted by the Member.

③ Members must configure and maintain payment security features (Face ID, Touch ID, passwords) on Open Markets such as Apple App Store to prevent unauthorized purchases.

Chapter 4 — Use and Restriction of the Service

Article 11 (Provision of the Service)

① The Company provides the Service to Members immediately upon contract formation under Article 5.

② The Company may provide supplementary services alongside those described in these Terms.

③ Service content may differ per user for the purpose of Service environment improvement.

Article 12 (Use of the Service)

① The Service is provided during the hours set by the Company's operating policy, announced within the Service.

② Notwithstanding paragraph ①, the Company may temporarily suspend all or part of the Service in the following cases:

  1. System maintenance, server expansion or replacement, network instability;
  2. Power outage, service equipment failure, service overload, telecom carrier maintenance;
  3. War, emergency, natural disaster or similar circumstances beyond the Company's control.

③ Paid content requires payment of the amount (in diamonds) shown in the Service.

④ Device changes, number changes, or international roaming may render some or all content unavailable; the Company is not liable in such cases.

Article 13 (Service Change and Termination)

① The Company may change the Service for operational or technical needs, with notice within the Service prior to changes.

② The Company may fully terminate the Service for material business reasons (transfer, merger, dissolution, contract expiration, severe revenue decline). In such cases, at least 30 days' prior notice will be provided.

③ In the case of paragraph ②, unused or remaining paid items will be handled under the Content User Protection Guidelines.

Article 14 (Collection of Information)

① The Company may collect Member device information (settings, specifications, OS, version) and crash reports for stable operation and quality improvement, excluding personal information.

② The Company may request additional information from Members for service improvement or promotion; Members may accept or decline.

Article 15 (Advertisements)

① The Company may display advertisements within the Service, provided via Google AdMob. Ad viewing may grant in-game rewards (e.g., extra refresh chances).

② The Service may include banners or links leading to third-party advertisements or services.

③ Third-party advertisement services are outside the Company's control; the Company does not guarantee their reliability or safety and is not liable for resulting damages, except in cases of Company willful misconduct or gross negligence.

④ Ad personalization can be controlled by Members via iOS App Tracking Transparency (ATT).

Article 16 (Intellectual Property)

① Copyrights and other intellectual property rights in the Service content (code, graphics, sounds, game mechanics, UI design) belong to the Company.

② Members may not reproduce, transmit, or commercially exploit intellectual property belonging to the Company or providers without prior consent.

③ Members may screenshot or stream the game for personal, non-commercial purposes, but may not remove or alter Company watermarks, logos, or other identifiers.

Article 17 (Purchase, Duration, and Use of Paid Content)

① Paid content (diamonds) purchased within the Service is usable on the device where the application is installed and on devices linked via the same Apple ID / Google account.

② Diamond bundles and USD reference prices (regional pricing set by Apple):

③ Diamonds are used for in-game paid refreshes (magic items, fate blocks) and similar features.

④ Diamonds have no real-world monetary value, cannot be transferred to other Members, and are forfeited upon account deletion.

⑤ Diamonds have no expiration date, except that if the Service is terminated under Article 13(②), diamonds may be used only until the date announced in the termination notice.

Article 18 (Service Use Restrictions)

① If a Member violates obligations under Article 10, the Company may impose the following restrictions:

  1. Partial permission restriction: temporary limits on chat, leaderboard posting, etc.;
  2. Character/nickname restriction: temporary or permanent restriction on nickname use;
  3. Account restriction: temporary or permanent restriction on account use;
  4. Member restriction: temporary or permanent restriction on service use.

② The Company is not liable for damages from justified restrictions.

③ The Company may suspend an account pending investigation in the following cases:

  1. Valid report of account hacking or misuse;
  2. Suspected use of illegal programs, macros, or auto-play;
  3. Repeated abuse of rewarded ads or free refresh systems;
  4. Other grounds equivalent to the above.

Article 19 (Reasons and Procedures for Restriction)

① Specific reasons and procedures are set in the Operational Policy considering the nature, extent, frequency, and consequences of the violation.

② Prior notice will include the reason, type, duration, and appeal method; emergency actions may be notified after the fact.

Article 20 (Appeal Procedures)

① A Member may appeal within 14 days of restriction notice by submitting written or emailed (support@konenine.kr) grounds of objection.

② The Company will respond within 15 days.

③ If the appeal is well-founded, the Company will take corresponding action.

Chapter 5 — Withdrawal of Subscription, Refunds, and Termination

Article 21 (Payment)

① Charging and payment for content follow the policies of Apple App Store.

② Foreign-currency transactions may result in actual charges differing from displayed prices due to exchange rates and fees.

Article 22 (Withdrawal of Subscription)

① A Member may withdraw within 7 days of purchase or content availability, whichever is later, without penalty.

② The following are ineligible for withdrawal:

  1. Items applied or consumed immediately upon purchase;
  2. Items obtained free through normal gameplay;
  3. Bonus items where the bonus has been used;
  4. Bundle items where part has been used.

③ For non-withdrawable content, the Company will clearly indicate this to Members.

④ Refunds via Apple App Store follow Apple's refund policy — file at https://reportaproblem.apple.com.

⑤ Upon Apple's refund approval, the corresponding diamond amount is deducted from the Member's balance. If the balance is insufficient (already spent), the Company may suspend the account or display a negative balance.

Article 23 (Refund of Overpayment)

① The Company refunds overpayments upon Member request. Overpayments due to Company fault are refunded in full without deducting contract costs or fees.

② Refunds via App Store follow Apple's refund policy; the Company will cooperate as needed.

Article 24 (Termination of the Service Contract)

① Members may terminate the Service contract at any time via "Settings > Delete Account" within the game.

② Upon termination, all Member data is deleted immediately except where retention is required by law or the Privacy Policy.

③ Terminated data (including diamond balances) cannot be recovered.

Chapter 6 — Liability and Disclaimers

Article 25 (Compensation)

① Where the Company causes damage to a Member, the Company will compensate as required by applicable law.

② Members are liable to compensate the Company for damages caused by their willful or negligent acts.

Article 26 (Disclaimers)

① The Company is exempt from responsibility for service failures due to force majeure (natural disaster, war, riot, government action, telecom failure, third-party service failure such as Apple/Google).

② The Company is not liable for service failures caused by the Member's own fault.

③ The Company has no obligation to intervene in disputes between Members or between a Member and a third party, and is not liable for resulting damages.

④ The Service is provided "as is"; the Company makes no warranty regarding completeness, fitness for particular purpose, or accuracy.

⑤ Except where prohibited by applicable law, the Company's aggregate liability shall not exceed the lesser of (a) amounts paid by the Member to the Company in the preceding 12 months, or (b) 100 USD.

Chapter 7 — Miscellaneous

Article 27 (Notice to Members)

① Notice to Members may be given via in-service announcements or pop-ups.

② General notices may be given by posting within the Service for at least 7 days.

Article 28 (Governing Law and Jurisdiction)

① These Terms are governed by the laws of the Republic of Korea.

② Disputes shall be governed by Korean law.

③ Parties shall attempt to resolve disputes in good faith.

④ Unresolved disputes shall be brought before the competent court where the Company's business address is located, as court of first instance.

Article 29 (Severability)

If any provision is invalid or unenforceable, the remaining provisions remain in effect.

Supplementary Provisions: These Terms take effect on August 19, 2026.