Important

Account Linking Recommended

Update

Data Update & Event Preview

Event

[Updated] Mop-Up Operation Now Available!

Event

Large Conquest: Absolute Perimeter Now Available!

Known Issue

[Updated] Regarding Currently Confirmed Issues

Event

Fierce Battle Area (Limited): Incremental Grandeur Now Available!

News

Official Social Media Accounts for KAIJU NO. 8 THE GAME

Gacha

[Limited] Wang Meixing Pickup Gacha Now Available!

Gacha

Paid-Only ★5 Guaranteed Gacha Now Available!

Gacha

[Limited] Sagan Shinomiya Pickup Gacha Rerun Now Available!

Gacha

Reno Ichikawa Pickup Gacha Rerun Now Available!

News

New Limited-Time Shop Arrival: New Year Packs!

Event

Main Story Ch. 7 Release & Celebration Event

News

Defense Force Pass Now Available!

News

Monthly Items Reset

Update

[Updated] Data Update & Event Preview

Event

[Updated] Raid Battle: Kaiju No. 10 (Giant Form) Now Available!

Gacha

8 Free Pulls Daily Gacha Now Available!

Event

Fierce Battle Area (Permanent): Tachikawa New High Difficulty Stages!

Update

Version 1.4.1 Update Now Live

Gacha

Kikoru Shinomiya Pickup Gacha Now Available!

Update

Version 1.4.0 Update Now Live

Gacha

[Limited] Akari Minase Pickup Gacha 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!

Known Issue

[Updated] Regarding Issue with Fierce Battle Area

Event

New Training: Caudata-Type α Added!

News

[Updated] Version 1.2.2 Update Now Live

Event

New Training: Armored-Type α Added!

News

PC (Steam®) Version Now Available!

News

Version 1.2.0 Update Now Live

Important

Official Release & Pre-Registration Rewards

News

The KAIJU NO. 8 THE GAME Web Store

News

Release Celebration Items—Value Items Now On Sale!

Event

[Updated] Mop-Up Operation Now Available!

Event

Large Conquest: Absolute Perimeter Now Available!

Event

Fierce Battle Area (Limited): Incremental Grandeur Now Available!

News

Official Social Media Accounts for KAIJU NO. 8 THE GAME

Gacha

[Limited] Wang Meixing Pickup Gacha Now Available!

Gacha

Paid-Only ★5 Guaranteed Gacha Now Available!

Gacha

[Limited] Sagan Shinomiya Pickup Gacha Rerun Now Available!

Gacha

Reno Ichikawa Pickup Gacha Rerun Now Available!

News

New Limited-Time Shop Arrival: New Year Packs!

Event

Main Story Ch. 7 Release & Celebration Event

News

Defense Force Pass Now Available!

News

Monthly Items Reset

Event

[Updated] Raid Battle: Kaiju No. 10 (Giant Form) Now Available!

Gacha

8 Free Pulls Daily Gacha Now Available!

Event

Fierce Battle Area (Permanent): Tachikawa New High Difficulty Stages!

Gacha

Kikoru Shinomiya Pickup Gacha Now Available!

Gacha

[Limited] Akari Minase Pickup Gacha 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!

News

[Updated] Version 1.2.2 Update Now Live

Event

New Training: Armored-Type α Added!

News

PC (Steam®) Version Now Available!

News

Version 1.2.0 Update Now Live

News

The KAIJU NO. 8 THE GAME Web Store

News

Release Celebration Items—Value Items Now On Sale!

Important

Account Linking Recommended

Update

Data Update & Event Preview

Known Issue

[Updated] Regarding Currently Confirmed Issues

Update

[Updated] Data Update & Event Preview

Update

Version 1.4.1 Update Now Live

Update

Version 1.4.0 Update Now Live

Known Issue

[Updated] Regarding Issue with Fierce Battle Area

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.