Under Hatch
Terms of Service

These Terms set out the rights and obligations between the Operator and you when you use the mobile game "Under Hatch (언더 해치)" provided by ModooLabs (모두랩스), along with other things you should know. Please read them before you start playing.

01Purpose and Definitions

The purpose of these Terms is to set out the rights, obligations, and responsibilities of the Operator and the User, and other necessary matters, regarding the use of the game "Under Hatch" provided by the Operator and its related services (the "Service").

The terms used in these Terms have the following meanings.

• Operator: ModooLabs (모두랩스), which provides the Service.
• User: Anyone who uses the Service in accordance with these Terms.
• Virtual Items: Digital content that can be used only within the Service, such as diamonds, coins, parts, steel plates, energy, skins, skin fragments, passes (Small and Premium), and packages and special-offer products.
• Paid Products: Virtual Items that a User pays money to buy through in-app purchases on Google Play or the Apple App Store.
• Server Features: Features that can be used only by communicating with the Operator's server, such as Ranked Battle, Endless Mode, stage rankings, the Arena (virtual battles, trophies, and Arena points), skin fragment grants, and announcements.
• Nickname (Captain name): The name that a User chooses for themselves to use within the game.

02Effect and Amendment of These Terms

• These Terms take effect when a User starts using the Service, and can be viewed at any time on this site (modooscoin.com) and on the settings screen of the app.
• The Operator may amend these Terms to the extent that doing so does not violate applicable laws.
• When amending these Terms, the Operator will announce the amended content and its effective date in the app's announcements or on this site at least 7 days before it takes effect. However, amendments that are unfavorable to Users or otherwise significant will be announced at least 30 days before they take effect.
• If the Operator gives such notice and also states that "you will be deemed to have agreed if you do not express your objection by the effective date," and a User continues to use the Service after the effective date, the User is deemed to have agreed to the amended Terms. A User who does not agree to the amended Terms may stop using the Service and delete the app.
• Matters not set out in these Terms are governed by applicable laws, the policies of Google Play and the Apple App Store, and general commercial practice.

03Age Requirements

• Under Hatch can be used without separate registration or login.
• Users under 14 years of age are asked to read these Terms and the Privacy Policy together with a guardian (legal representative) and to use the Service with the guardian's consent. Please purchase Paid Products only with the guardian's consent.
• Users' personal information is processed in accordance with the separately established Privacy Policy.

04Service Content, and Changes, Suspension, and Termination

1) Service content

The Service is a mobile defense game about protecting a deep-sea submarine, and includes the following features.

• Stage play and game progress (stage records, currency, skins, settings, etc.)
• Ranked Battle, Endless Mode, and stage rankings
• The Arena (virtual battles against other Users' fleets, trophies, and Arena points)
• Server Features such as skin fragment grants and announcements
• Rewarded ads and Paid Products

2) Operating standards and adjustments

Features such as energy, daily challenge counts, weekly rewards, and ranking calculations are determined based on server time (for example, refreshing at 9:00 a.m. Korean time), and the standards, counts, and rewards may be adjusted depending on operating conditions. Adjustments that significantly affect Users will be announced in advance through announcements whenever possible.

3) Changes to and suspension of the Service

• The Operator may change all or part of the Service for purposes such as improving the Service, adding new features, and adjusting game balance.
• The Operator may temporarily suspend the Service when unavoidable, such as for system maintenance, server replacement, recovery from failures, natural disasters, communication outages, or circumstances of a store or cloud provider, and will announce this in advance whenever possible. If urgent action is required, the Operator will act first and announce afterward.

4) Termination of the Service

When the Operator needs to end the Service, it will announce the reason for termination, the schedule, and how paid Virtual Items will be handled in the app's announcements and on this site at least 30 days before the termination date. Paid Virtual Items are handled in accordance with Article 7(5).

05User Obligations and Prohibited Acts

Users must use the Service in a sound manner and must not engage in the following acts.

1) Cheating

• Circumventing the server-time-based limits on energy, challenge counts, or rewards, such as by manipulating the device clock
• Modifying the app or game memory, intercepting or altering network traffic, or forging, tampering with, or decompiling the app
• Posting abnormal records to the rankings that could not be obtained through normal play
• Using automation tools (macros, bots, etc.) to obtain rankings or rewards
• Accessing the server abnormally, sending excessive requests, or otherwise interfering with the normal operation of the Service
• Knowingly exploiting an error (bug) to gain an advantage or telling other Users about it (if you find an error, please report it to the contact email)

2) Nickname (Captain name) standards

Your nickname is visible to other Users on the leaderboards and in the Arena. The following nicknames may not be used.

• Names that defame others or contain profanity, hate speech, or sexual expressions
• Names that contain personal information such as a real name, contact details, or account information
• Names used for advertising or promotion, or that impersonate others, including the Operator or its staff
• Any other names that violate laws or public order and morals

The Operator may notify the User and change or reset a nickname that does not meet the above standards.

3) Other prohibited acts

• Interfering with or harassing other Users' use of the Service
• Selling, transferring, or lending Virtual Items or an account (the game data on a device) in exchange for cash or any other property benefit
• Copying or distributing images, sounds, text, or other materials related to the Service, or using them for commercial purposes, without the Operator's permission
• Using another person's payment method without authorization, or making payments by fraudulent means
• Any other acts that violate applicable laws, these Terms, or store policies

06Usage Restrictions and Objections

1) Types of restrictions

If it is confirmed that a User has engaged in a prohibited act under Article 5 or has otherwise violated these Terms, the Operator may take the following measures depending on the severity.

• Warning and request for correction
• Changing or resetting the nickname
• Deleting or recovering records, rewards, or Virtual Items obtained improperly
• Removal from the rankings
• Temporary or permanent suspension of Server Features

2) Procedure

The Operator will notify the User in advance, whenever possible, of the reason for the measure, its content, and how to object. However, if urgently necessary for server stability or to protect other Users, the Operator may act first and notify afterward. If cheating is repeated or serious, the Operator may take action immediately without a warning.

3) Objections

If a User believes a measure is unfair, the User may raise an objection by emailing the contact address (modoolabs1730@gmail.com) within 30 days from the date the User became aware of the measure. After reviewing the objection, the Operator will notify the User of the result by email as soon as possible. If the objection is found to be valid, the Operator will take necessary action, such as lifting or reducing the measure.

07Virtual Items and Paid Purchases

1) Nature of Virtual Items

• Virtual Items are digital content that can be used only within the Service, and Users have only the right to use them within the Service. They cannot be exchanged for cash or property.
• Users must not sell, transfer, or lend Virtual Items to other Users or third parties. A User who violates this may be subject to the usage restrictions in Article 6.
• Virtual Items can be used only for their designated purposes within the Service, and their purposes and conditions of use are shown on each item's information screen.

2) Paid purchases

• Paid Products are sold through in-app purchases on Google Play or the Apple App Store. Prices, payment methods, payment timing, taxes, and the like follow each store's policies and on-screen information.
• Payment information (such as card numbers) is processed directly by the store, and the Operator does not know or store Users' payment method information.
• The composition, prices, and sales periods of products may change depending on operating conditions, and what is shown on the purchase screen governs.
• Passes (Small and Premium), packages, special-offer products, and the like are granted and applied according to the benefits, periods, and conditions described on the purchase screen.
• The payment feature will be connected at the time of the official launch, and this Article does not apply until it is connected.

3) Payments by minors

If a minor makes a payment without the consent of a legal representative, the legal representative may cancel the payment or request a refund as provided by applicable laws and store policies.

4) Refunds

• Refunds and withdrawal of purchases for Paid Products are handled in accordance with the refund policies of Google Play or the Apple App Store and applicable laws. In many cases, refunds must be requested directly from the store where the payment was made, and the Operator will help with guidance and verification if a User requests it.
• To the extent permitted by law, refunds may be restricted for Virtual Items that have already been granted and used or whose use has begun, and for products whose period of use has passed.
• Virtual Items received free of charge through events or rewards are not eligible for a refund.
• If Virtual Items are lost due to a usage restriction, the Operator may refuse a refund where the User is at fault.

5) Handling of paid items when the Service ends

When the Service ends, any paid Virtual Items that a User has left unused will be refunded or compensated for in accordance with applicable laws. The specific method and application period will be announced in the termination notice under Article 4(4).

08Advertising

• The Service includes rewarded ads provided by Google AdMob. If a User chooses to tap the button and watches an ad to the end, the specified reward is granted.
• Ads are optional, and the basic features of the game can be used without watching them.
• The content of ads and the products and services offered by advertisers are the responsibility of the advertisers, and the Operator is not responsible for them.
• The information processed in the course of serving ads and how to adjust ad settings are explained in the Privacy Policy.
• If an ad does not display properly or is closed before it finishes, the reward may not be granted.

09Data Storage and Non-Recovery Notice

• Game progress information (stage records, currency, skins, settings, etc.) is, by default, stored on the User's device.
• When you use Server Features, a random identifier is assigned through anonymous authentication (Firebase), and rankings, battle records, and the like are stored on the server. Your nickname, records, titles, profile border, and ship skin appearance may be visible to other Users.
• If you change devices, delete the app, or clear the app's data, your game records may not be recoverable. Currently, there is no feature for linking an account to transfer records.
• Users must use the Service with this in mind, and the Operator has no obligation to recover data lost through the User's failure to manage their device. However, if data is lost due to the Operator's intentional misconduct or gross negligence, Article 11 applies.
• The specifics of the information stored on the server, the retention period, and how to request deletion are governed by the Privacy Policy.

10Intellectual Property

• All rights in the content used in the Service, such as images, characters, sounds, music, text, programs, and trademarks, belong to the Operator or the rightful rights holders, and are protected by the Copyright Act and other laws.
• The Operator grants the User a non-transferable, personal right to use the Service to the extent necessary to use the Service.
• Users must not copy, transmit, distribute, modify, create derivative works from, or use the content of the Service for commercial purposes without the Operator's prior permission.
• The Operator may use the nickname chosen by the User to the extent necessary to display it on Service screens such as the leaderboards and the Arena.

11Disclaimer and Liability for Damages

1) Disclaimer

The Operator is not responsible for damage a User suffers while using the Service in the following cases. However, damage caused by the Operator's intentional misconduct or gross negligence is excluded.

• Cases beyond the Operator's control, such as natural disasters, war, fire, power outages, communication network failures, or failures of external providers such as stores or cloud services
• Cases caused by the User's device malfunction, operating system problems, communication environment, or carelessness
• Cases caused by the User's violation of these Terms
• Disputes between Users or between a User and a third party
• The content of ads provided by advertisers and of external services reached through those ads
• Damage arising from the Service provided free of charge (except where otherwise provided by law)

2) Liability for damages

• If the Operator or a User causes damage to the other party by violating these Terms or the law, the party that caused the damage will compensate for it in accordance with applicable laws.
• The Operator's liability for damages is limited to ordinary damages proven by the User and, except as otherwise provided by law, shall in principle not exceed the amount the User actually paid for the relevant Paid Product.
• If a User violates these Terms and causes damage to the Operator or other Users, the User must compensate for that damage.

12Dispute Resolution

• If a dispute arises between the Operator and a User, both will make a good-faith effort to resolve it through consultation.
• If the dispute cannot be resolved through consultation, a User may seek mediation from a consumer dispute resolution body.
• These Terms are interpreted and applied in accordance with the laws of the Republic of Korea.
• If litigation relating to the Service is necessary, the competent court is determined in accordance with the Civil Procedure Act.

13Contact and Effective Date

Please send inquiries about these Terms, error reports, objections to usage restrictions, and requests for refund guidance to the email address above.

AddendumEffective Date

These Terms take effect on October 19, 2026.

Last updated: 2026-10-19