[Updated] Mop-Up Operation Now Available!

Overview

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!

[Updated 2026-01-22T07:45:00Z]

This event will remain available until all Kaiju have been defeated or until 2026-02-07T03:00:00Z.

Event Description

• The Mop-Up Operation is a competitive event where all players work to neutralize a massive number of Kaiju.
• The Mop-Up Operation consists of 5 stages, and you can challenge each stage until the remaining number of Kaiju reaches 0.
• Use specific permits to take part in Mop-Up Operation.¹ ²
• Each battle ends once 5 rounds have elapsed. Defeat as many Kaiju as possible within 5 rounds.
• Each of the 5 stages offers different rewards.
• The more Kaiju you defeat in a single battle, the greater the rewards you obtain.
• In every stage, there is a rare chance to obtain ★5 Unimaterial [Lizard-Type Kaiju α], which guarantees a ★5 Unipart when used during development.
• Skipping is not available for Mop-Up Operation.
• The event ends once the remaining number of Kaiju in all stages reaches 0.

¹ During the availability period of the Mop-Up Operation, up to 5 Mop-Up Operation Permits can be claimed on the event screen every 4:00 AM JST. If you have unused Mop-Up Operation Permits at 4:00 AM JST, you can claim new ones to reach a total of 5.

² Mop-Up Operation Permits can also be replenished using Dimensional Crystal x20.

Important

• The Mop-Up Operation will end 24 hours after all Kaiju have been defeated and the stages conclude.
• If a Mop-Up Operation battle ends in defeat, retreat, or suspension, rewards will still be granted based on the number of Kaiju defeated up until that point. However, Mop-Up Operation Permits will not be refunded.