Important

Account Linking Recommended

Maintenance

Version 1.11.0 Maintenance Notice

Event

Fierce Battle Area (Limited): Bonds of the Boundless Blue Now Available!

Known Issue

[Updated] Regarding the Image Issue in Special Event [Sparkling Splash Performance Test]

News

New Training "Water: Dynamic Material" Added!

Gacha

[Limited] Kikoru Shinomiya Pickup Gacha Now Available!

Event

Special Event [Sparkling Splash Performance Test] Now Available!

Event

Training: Defense Force Manual—2x Rewards Campaign Now Available!

News

Defense Force Pass Now Available!

News

Monthly Items Reset

Update

[Updated] Data Update & Event Preview

Gacha

[Limited] Sagan Shinomiya Pickup Gacha Now Available!

Event

Special Event [Patchwork Bonds] Now Available!

Event

Large Conquest: Sweeping Fusillade Now Available!

News

New Training: Caudata-Type Kaiju β Added!

News

Unlock Potential: New Eligible Character Added!

Known Issue

[Updated] Regarding Currently Confirmed Issues

News

New Training: Plant-Type Kaiju α Added!

News

New Trainings: Paraves-Type Kaiju α & Mole-Type/Feet Added!

News

New Training: Wolf-Type Kaiju α Added!

News

New Trainings: Wyvern-Type Kaiju β/Kaiju No. 6 Added!

Event

THE GAME Missions Now Available!

Event

Expedition HARD Mode Added!

Event

New Training: Fungal-Type β Added!

News

Changes to Weekly Limit and Stamina for Identified Kaiju Neutralization

News

New Shop Arrival: Defense Force Support Special Pack!

Event

New Training: Caudata-Type α Added!

Event

New Training: Armored-Type α Added!

News

PC (Steam®) Version Now Available!

Important

Official Release & Pre-Registration Rewards

News

Release Celebration Items—Value Items Now On Sale!

Event

Fierce Battle Area (Limited): Bonds of the Boundless Blue Now Available!

News

New Training "Water: Dynamic Material" Added!

Gacha

[Limited] Kikoru Shinomiya Pickup Gacha Now Available!

Event

Special Event [Sparkling Splash Performance Test] Now Available!

Event

Training: Defense Force Manual—2x Rewards Campaign Now Available!

News

Defense Force Pass Now Available!

News

Monthly Items Reset

Gacha

[Limited] Sagan Shinomiya Pickup Gacha Now Available!

Event

Special Event [Patchwork Bonds] Now Available!

Event

Large Conquest: Sweeping Fusillade Now Available!

News

New Training: Caudata-Type Kaiju β Added!

News

Unlock Potential: New Eligible Character Added!

News

New Training: Plant-Type Kaiju α Added!

News

New Trainings: Paraves-Type Kaiju α & Mole-Type/Feet Added!

News

New Training: Wolf-Type Kaiju α Added!

News

New Trainings: Wyvern-Type Kaiju β/Kaiju No. 6 Added!

Event

THE GAME Missions Now Available!

Event

Expedition HARD Mode Added!

Event

New Training: Fungal-Type β Added!

News

Changes to Weekly Limit and Stamina for Identified Kaiju Neutralization

News

New Shop Arrival: Defense Force Support Special Pack!

Event

New Training: Caudata-Type α Added!

Event

New Training: Armored-Type α Added!

News

PC (Steam®) Version Now Available!

News

Release Celebration Items—Value Items Now On Sale!

Important

Account Linking Recommended

Maintenance

Version 1.11.0 Maintenance Notice

Known Issue

[Updated] Regarding the Image Issue in Special Event [Sparkling Splash Performance Test]

Update

[Updated] Data Update & Event Preview

Known Issue

[Updated] Regarding Currently Confirmed Issues

Important

Official Release & Pre-Registration Rewards

2025-11-26T03:00:00Z

Version 1.3.5 Maintenance Notice

 Overview

Thank you for playing KAIJU NO. 8 THE GAME.

We will be performing maintenance during the following period:

 Maintenance Time

2025-11-28T04:00:00Z - 2025-11-28T06:59:59Z

The game will be unavailable during this time.

We appreciate your understanding and cooperation.

Update Content

■ Expedition HARD Mode Added

Scheduled to start: 2025-11-28T08:00:00Z

HARD Mode will be added to Expedition.

For more details, please check the announcement on the addition of HARD mode to Expedition.

*Please note that upon this update, the currently deployed Expedition will be set to retreat, and you will need to start from the Deployment Prep screen. Please be aware that you will not acquire loot, Expedition Points, or Command Rewards for that run.

■ Main Story Chapter 6 Release

Scheduled to start: 2025-12-01T03:00:00Z

Main Story Chapter 6 and the New Chapter Event will be available.

The Chapter 6 Release Celebration Login Bonus will also be available starting 2025-11-30T19:00:00Z.

For more details, please check the upcoming announcement.

■ New Gacha

Scheduled to start: 2025-12-01T03:00:00Z

For more details, please check our official X (@kj8_TheGame_EN) and future announcement.

■ New Training and Uniparts

Scheduled to start: 2025-12-01T03:00:00Z

New Training and Uniparts will be added.

For more details, please check the upcoming announcement.

■ Fierce Battle Area (Limited)

Scheduled to start: 2025-12-03T03:00:00Z

A new Fierce Battle Area (Limited) will be available.

For more details, please check the upcoming announcement.

 Important

  • After this maintenance, a download of approximately 1.2 GB for the mobile version, or 2.3 GB for the PC version will be required. A Wi-Fi connection is recommended for download.

*This data update will perform data optimization, including data from previous updates.

We appreciate your cooperation as we continue to work on improving our services.

  • Please note that if you are in the middle of a battle when maintenance begins, when you log in again after maintenance, your game progress will be reset to the state you were in before the battle began.
  • We recommend linking your account before maintenance begins. By linking your account, you can easily restore and transfer your game data even if you accidentally delete the app. For more information on how to link your account, please check here.
  • The date and time of the maintenance are subject to change.
  • The maintenance duration may vary depending on our progress. We appreciate your understanding.

Thank you for your continued support of KAIJU NO. 8 THE GAME.