How to progress the story in Kaiju No. 8 The Game. See story walkthrough summary, unlocked features, rewards, and how to get and set home backgrounds in K8 The Game.
Table of Contents
How to Progress the Story
Playing Story Mode
1. Tap "Story"
Tap "Story" in the bottom right of the Home screen.
2. Tap the Button in the Bottom Right
Tap the button in the bottom-right of the Main Story screen to open the Squad Setup screen. Note that for stages without combat, the squad setup screen will be skipped and the story will play automatically.
3. Set Up Your Squad and Tap "Deploy"
Once you've finished setting up your party on the Squad Setup screen, tap the Deploy button.
4. Play Until You Clear the Stage
When you tap the Deploy button, the story begins. If the stage includes combat, continue until the battle ends. You can skip story scenes before and after combat by tapping the 'Skip' button in the top-right corner.
5. Check Rewards on the Results Screen
After combat, the results screen will appear. Tap 'Next' to continue the story, or 'Return' to go back to the story screen.
| Tips! | Stages that contain only story and no combat do not display a results screen. Instead, rewards along with the Next and Back buttons appear on the right side at the end of the story. |
Prioritize Progressing the Main Story
In Kaiju No. 8 The Game, many features unlock as you progress through the Main Story. Focus on advancing the Main Story to access more content and features.
Features Unlocked by Clearing the Main Story
| Unlocked Features | |
| 0-3 | - Combat: AUTO Mode - Combat Pause Button - Shop - Gacha - Defense Force Pass |
| 0-7 | - Beginner's Guide - Memories - Messages - Synthesis - Achievements - Storage |
| 1-9 | - Expedition |
Clear Chapters to Unlock the Next
To progress in the 'Main Story' and 'Memories', clear the current chapter first. Keep in mind that not all content is available from the start.
There is a Replay Feature
The Main Story and Memories include a replay feature, letting you rewatch stories you've already seen.
| Tips! | For Character Stories, you can re-watch a story by tapping on the cleared episode. |
Check Details in Quest Info
Tap 'Quest Info' in the Main Story or Memories to view the quest's rewards and the Kaiju that appear. Note that details cannot be checked after the quest is cleared.
Battles Cannot Be Replayed
Battles in the Main Story and Memories cannot be replayed once cleared. Even using the replay feature will not let you replay the battle.
List of Rewards
List of Obtainable Rewards
| Category | Rewards |
| Main | - Dimensional Crystal - Player EXP - Credits - THE GAME Gacha Ticket - Reinforcement Materials |
| Memories | - Dimensional Crystal - Player EXP - Credits - THE GAME Gacha Ticket - Reinforcement Materials |
| Character | - Dimensional Crystal - Player EXP x100 (*Obtained upon clearing #3) - 5,000 Credits (*Obtained upon clearing #3) |
Rewards from Main, Memories, and Character Stories are listed above. For Main Story and Memories, tap "Quest Info" to view obtainable rewards.
You Can Get Home Backgrounds
Clearing any type of Story lets you earn backgrounds for the Home screen. The methods for obtaining and setting backgrounds for each category are listed below.
How to Get Home Backgrounds
| Category | How to Obtain Background |
| Main/Memories | Clear each chapter of the story |
| Character | Clear Character Story #3 *You can obtain backgrounds for 5-Star characters you own |
To unlock a Home screen background for a character you don't own, you must first obtain the character through Gacha or other means, then clear their Character Story #3.
How to Set Backgrounds
| 1. |  Tap the "8" button in the bottom left of the Home screen |
| 2. |  Tap the background you want to set (*You can swipe left and right) |
| 3. |  Tap the "X" button on the far right of the screen, or tap the center of the screen to close the settings menu |
To view your selected background, tap the button located above the '8' icon on the Home screen.
Types of Stories
Main Story
In the Main Story, you can enjoy the original "Kaiju Dimensional Gate" Arc. More features unlocks as you progress, so prioritize advancing the story.
Memories
| Unlock Condition | Clear Main Story 0-7 |
Memories is a mode that lets you re-experience the original story and anime. It currently goes up to Chapter 4, and battles allow you to use characters from the story.
You Can Also Use Your Own Characters
In the combat stages of Memories, you can also use characters you own. You can swap them with the provided characters or place them in empty slots in your Squad.
Character Stories
| Unlock Condition | Reach Player Rank 6 |
In Character Stories, you can watch exclusive episodes for 5-Star characters. You can receive rewards such as Dimensional Crystals and Credits.
No Combat Stages
In the current version, Character Stories do not have combat stages. You can clear them and receive rewards just by viewing the story.
More to Be Added in the Future!
The story will be expanded in future updates. According to an announcement on the official X account on September 1, 2025 (PST), Main Story Chapter 3 will be added on September 7, 2025 (PST).
Kaiju 8 The Game Related Guides
Recommended Guides
| Popular Articles | ||
|---|---|---|
| Reroll Tier List | Best Characters | Best Squads |
| Early Game Guide | Daily to Do | Paid Packs |
| Character List | Weapon List | Uniparts List |
Other Articles
How to Reroll
Best Free 5 Star
Best 4-Stars
Best Banner
Gacha Animation
Pulls Until Guaranteed?
Enhance Priority
Squad Setup
Web Store
Redeem Codes
Latest Updates
Controller Support
Element Effects and Plate Mechanics
Best Store Purchases
Action Order
How to Disassemble WeaponsMust Reads Before Playing
| Useful Info | ||
|---|---|---|
| Pre-Registration | Required Specs | Steam Release |
| Link Data | Data Transfer | Best Settings |
| How to Fix Lagging | PS5 ver? | Voice Actors |
Character List
5★ Character Ratings
| Kaiju No. 8 | Kikoru Shinomiya | Mina Ashiro | Soshiro Hoshina |
| Gen Narumi | Isao Shinomiya | Rin Shinonome | Reno Ichikawa |
