Important

Account Linking Recommended

Gacha

Kikoru Shinomiya Pickup Gacha Now Available!

Event

[Updated] Mop-Up Operation Now Available!

Event

[Updated] Raid Battle: Kaiju No. 1 Now Available!

Update

[Updated] Data Update & Event Preview

Event

Training: Kaijumite—2x Rewards Campaign Now Available!

Event

Kaiju Rush Now Available!

Known Issue

[Updated] Regarding Currently Confirmed Issues

Gacha

Soshiro Hoshina Pickup Gacha Now Available!

Event

Special Event [The Weapon Within] Now Available!

Known Issue

[Updated] Regarding the Issue with Unipart R&D

Event

Large Conquest: Absolute Perimeter Now Available!

Event

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

Gacha

[Limited] Wang Meixing Pickup Gacha Now Available!

Gacha

[Limited] Sagan Shinomiya Pickup Gacha Rerun Now Available!

Gacha

Reno Ichikawa Pickup Gacha Rerun Now Available!

Event

Main Story Ch. 7 Release & Celebration Event

News

Defense Force Pass Now Available!

News

Monthly Items Reset

Event

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

Update

[Updated] Version 1.4.2 Update Now Live

Update

Version 1.4.1 Update Now Live

Update

Version 1.4.0 Update Now Live

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!

Gacha

Kikoru Shinomiya Pickup Gacha Now Available!

Event

[Updated] Mop-Up Operation Now Available!

Event

[Updated] Raid Battle: Kaiju No. 1 Now Available!

Event

Training: Kaijumite—2x Rewards Campaign Now Available!

Event

Kaiju Rush Now Available!

Gacha

Soshiro Hoshina Pickup Gacha Now Available!

Event

Special Event [The Weapon Within] Now Available!

Event

Large Conquest: Absolute Perimeter Now Available!

Event

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

Gacha

[Limited] Wang Meixing Pickup Gacha Now Available!

Gacha

[Limited] Sagan Shinomiya Pickup Gacha Rerun Now Available!

Gacha

Reno Ichikawa Pickup Gacha Rerun Now Available!

Event

Main Story Ch. 7 Release & Celebration Event

News

Defense Force Pass Now Available!

News

Monthly Items Reset

Event

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

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

[Updated] Data Update & Event Preview

Known Issue

[Updated] Regarding Currently Confirmed Issues

Known Issue

[Updated] Regarding the Issue with Unipart R&D

Update

[Updated] Version 1.4.2 Update Now Live

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

2026-01-22T02:35:00Z

[Updated] Raid Battle: Kaiju No. 1 Now Available!

Update: Commencing Mop-Up Operation

[Updated 2026-01-22T02:35:00Z]

The Boss Kaiju has been defeated thanks to everyone's hard work!

Please note that the reward claim deadline for the Raid Battle Missions is 2026-02-07T02:59:59Z.

Following the defeat of Kaiju No. 1, a massive swarm of Kaiju has appeared.

Commencing the Mop-Up Operation.

Earn awesome rewards by defeating the Yoju as they put up a desperate final resistance!

For more details, please check the relevant announcement.

・Mop-Up Operation Now Available!

Overview

Raid Battle: Kaiju No. 1 has come online as of 2026-01-20T03:00:00Z.

Raid Battle is an event in which all players will work together to take down a Boss Kaiju.

Challenge the Boss Kaiju to progress along the Raid Battle Missions and earn rewards!

Eligibility

Reach Player Rank 4 or higher.

Event Description

  • Raid Battle is an event in which all players will work together to take down a Boss Kaiju.
  • Use specific permits or Stamina to take part in Raid Battles.¹
  • Raid Battles end once 5 rounds have elapsed. Deal as much damage as possible to the Boss Kaiju within 5 rounds.
  • After challenging a Raid Battle once, players will be able to select the skip option.²
  • Challenge Raid Battles to advance Raid Battle Mission progress and earn rewards.

¹ During the availability period of the Raid Battle, up to 3 Raid Battle Permits can be claimed on the event screen every 4:00 AM JST. If you have unused Raid Battle Permits at 4:00 AM JST, you can claim new ones to reach a total of 3.

² When skipping, damage from the previous unskipped challenge will be used for damage calculation.

Missions

  • There are 3 types of missions in Raid Battles.
  • Complete these missions to earn points and claim corresponding rewards based on points obtained.

▽ Co-Op Damage Missions

  • During the event period, all players will work together to challenge these co-op missions.

 

▽ Daily Missions

  • During the event period, these missions will update every day until the Boss Kaiju is defeated.
  • Daily Missions are updated daily at 4:00 AM JST during the event period.

▽ Limited-Time Missions

  • During the event period, these missions can only be completed once. They remain available until the Boss Kaiju is defeated.

  • For more details about each mission, please head to Raid Battle > Raid Battle Missions.

Support Effects

  • Specific Support Effects can be received during Raid Battles.
  • After each Raid Battle challenge, you can select and enhance 1 out of 3 Support Effects.
  • The levels of Support Effects will accumulate and be shared by all players.
  • Enhance Support Effects to deal even more damage to the Boss Kaiju.

Important

  • This event will be available until the Boss Kaiju is defeated.
  • After the Boss Kaiju is defeated, Daily Missions and Limited-Time Missions can no longer be achieved.
  • After the Boss Kaiju is defeated, the event will end after a certain period. The end time will be updated in News.
  • Once the event ends, any remaining Raid Battle Permits will be recalled.
  • Once the event ends, Raid Battle Mission rewards will no longer be available (and will not be sent to your Mail). Please remember to claim them within the event period.