Kaiju No. 8: The Game 1st Anniversary: Full September Roadmap

Kaiju No. 8: The Game celebrated its first anniversary with a special broadcast packed with announcements, covering the next chunk of the main story, two new playable characters, a fresh batch of Potential Unleash releases, two new gameplay modes, and a long list of login bonuses and gacha reruns. Here's everything revealed, organized by category.

Main Story: Part 2, Chapter 1

The next chapter of the main story, Part 2, Chapter 1, is set to release on September 1, 2026. The new chapter introduces a major new threat and pushes the story's central conflict forward:

• A newly identified threat, Kaiju Type D (D-Go), appears as a tornado-type Kaiju significantly more powerful than the previously seen A-Go.
• D-Go's goal is to seize the power held by Kafka's Kaiju No. 8.
• Thanks to intervention from Iharu and Soutette, No. 8's power is saved from D-Go, but in the process it splits into four fragments scattered across dimensional rifts and parallel worlds.
• Soutette creates a device called the "Artificial Dimension" using materials from A-Go, allowing the team to jump between parallel worlds to recover the scattered fragments of No. 8's power before D-Go can claim them.
• The chapter also teases a mysterious new figure, a slender-bodied version of Kaiju No. 8, spotted in one of these parallel worlds.

New Playable Characters

★5 Iharu Furuhashi (New Suit / Clouser Suit)

Releasing alongside the story chapter on September 1, 2026, this version of Iharu Furuhashi brings a new suit design and kit:

• Role & Element: Attacker with dual elements, Slash/Shoot and Thunder.
• Weapon: Introduces a new weapon type to the game, the Shotgun.
• Mechanic: Specializes in generating high-frequency Add-on/Loaded Damage (Fuka Damage), capable of chaining Thunder Overflow attacks up to 15 times in a row.

★5 Soutette (Power of the A-Go Eye)

Releasing September 14, 2026, Soutette rounds out the new character additions for this anniversary period:

• Role & Element: Support character with Strike and Thunder elements, wielding a Hammer.
• Mechanic: Soutette becomes the second character in the game to have a Transcendence Art. Once Transcendence is triggered, the status doesn't wear off for the rest of the battle and provides a massive buff across the entire team's elements.

Potential Unleash Schedule

Several existing characters are getting their Potential Unleash upgrades over the coming weeks:

• Gen Narumi & Shinomiya Kikoru: September 5, 2026, timed to coincide with the premiere of the short anime "Narumi's Weekday."
• Mina Ashiro: September 26, 2026.

One note worth flagging: the black-suited design of Mina seen in recent key visual art is tied to a longer-term story arc still in production, and is not expected to release anytime soon.

New Gameplay Content

Dimensional Cluster Disaster

Starting August 31, 2026, this is a monthly seasonal event built around a farming and build-crafting system. It's structured around three mission types:

• Farming Quests
• Area Unlock Quests
• Challenge Quests (Ranking-based)

The event also introduces a Flea Market/Marketplace feature, letting players sell and buy unused Support/Buff effects to and from other players using a dedicated event token.

Defense Frontline

Launching September 22, 2026, Defense Frontline is a daily boss mode featuring a rotation of five boss types over a 10-day period, with three attempts available per day. It offers two difficulty tiers, Normal and Very Hard, and rewards are tied to how much of a boss's layered HP gauge players manage to deplete.

Official 1st Anniversary Round 4 Schedule

Alongside the broadcast details above, the official 1st Anniversary Round 4 schedule graphic lays out the exact release order for everything hitting between September 14 and September 26 (JST, UTC+9):

September 14 (Monday)

• Gacha: New Character (Soutette)
• Campaign: 1st Anniversary Login Bonus Round 4
• Campaign: 2x Training Rewards Campaign - Credit
• Campaign: 2x Training Rewards Campaign - Unimaterial
• Event: Large Conquest
• Event: Kaiju Rush Area Unlock

September 15 (Tuesday)

• Gacha: [Paid-Only] ★5 Guaranteed Gacha [Blunt/Shot/Slash]

September 19 (Saturday)

• Gacha: [Paid-Only] 72h Limited Step-Up Gacha
• Gacha: Pickup Gacha Rerun
• Campaign: "Narumi's Week at Work" Day 3, "That Person From the West" Premiere Login Bonus
• Event: Total War

September 20 (Sunday)

• Gacha: Pickup Gacha Rerun

September 22 (Tuesday)

• Event: Defense Frontline

September 26 (Saturday)

• Gacha: [Paid-Only] 72h Limited Step-Up Gacha
• Gacha: Pickup Gacha Rerun
• Campaign: "Narumi's Week at Work" Day 4, "The Coworkers' Bonds" Premiere Login Bonus
• Misc: Unlock Potential - New Eligible Character

The daily free gacha ticket login bonus runs across the full event period, August 1, 12:00 PM JST through October 1, 3:59 AM JST, with players able to log in over 10 days during that window to claim up to 80 free pulls total.

Login Bonuses, Pass Rework, and Gacha Events

Free Gacha and Login Bonuses

Players can earn up to 80 free gacha pulls through a login campaign offering 8 tickets per day over 10 days. This runs alongside Login Bonus Part 3, Part 4, and a special login campaign specifically celebrating the Main Story Part 2 release.

Defense Force Pass Rework

Starting September 1, the Defense Force Pass is getting a rework that increases the overall number of rewards, replaces rewards past level 70, and adds ★5 Unison materials to the Premium Pass track.

Gacha Reruns and Step-Up Gacha

Starting August 31, several gacha-related events are returning or launching:

• A rerun of the Christmas Akari Minase gacha.
• A Guaranteed Paid ★5 Gacha.
• A Step-Up Gacha offering an exchange ticket that lets players choose from up to 30 different characters.

Redeem Code

As part of the anniversary celebration, a redeemable code was shared during the broadcast:

• Code: 8G1STANIV
• Reward: 500 Dimension Crystals
• How to redeem: Enter the code through the game's official Web Store.

Why This Anniversary Update Matters

Between a new story chapter, two new playable characters, two new seasonal modes, and a redeem code on top of an already generous login campaign, this 1st Anniversary update is shaping up to be one of the most content-dense periods in Kaiju No. 8: The Game's first year. With so many overlapping release dates through September, it's worth marking down key dates like September 1, 5, 14, 15, 19, 20, 22, and 26 to avoid missing any of the new content, gacha windows, or limited-time rewards.

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