Friend Invitation Event in Kaiju No. 8 The Game. Learn how to participate, disclaimers, rewards, and share your code through our Friend Invitation Board in K8 The Game.
Table of Contents
Friend Invitation Code Sharing Board
Friend Invitation Event Period
Friend Invitation Event is Now live!
| Event Period | Sep 15, 2025 17:00 - Nov 29, 2025 11:59 (PST) |
| Participation Requirements | Clear Main Story Chapter 0 |
Starting September 15, 2025 at 17:00 (PST), the Friend Invitation Event begins! Invite friends using your invitation code to earn up to 1,500 Dimensional Crystals.
How to Participate
1. Open the Event
From the "Event" list on the home screen, tap the [Friend Invitation Event] icon to open the event page.
2. Tap "Proceed"
Tap "Proceed" in the mission list on the right side of the screen.
3. Select an App
After tapping "Proceed," select an app for sharing by tapping its icon.
| Tip! | If you cancel without selecting an app, the "Share the event screen" mission will still be completed. |
4. Post
Once the app opens, post about the event to complete the step.
Friend Invitation Event Disclaimers
Who Can Enter an Invitation Code
| 1. | Players who created their account after the event started. |
| 2. | Players who did not log in between September 1, 2025 04:00 and September 15, 2025 16:59 (PST). |
Only a limited number of players can enter an invitation code. Not all users are eligible, so check the conditions above.
Friend Invitation Code Sharing Board
Friend Invitation Event Rewards
Get up to 1,500 Dimensional Crystals
You can get Dimensional Crystals by inviting friends and sharing the event. You can earn a maximum of 1,500 Dimensional Crystals in this event.
Mission and Reward List
| Mission | Reward |
| Share the event |  Dimensional Crystal ×100 |
| Invite 1 friend | Dimensional Crystal ×200 |
| Invite 2 friends | Dimensional Crystal ×200 |
| Invite 3 friends | Dimensional Crystal ×300 |
| Invite 4 friends | Dimensional Crystal ×400 |
| Invite 5 friends | Dimensional Crystal ×400 |
Both Players Get Dimensional Crystals
Both the inviter and the invited player will receive Dimensional Crystals. Each player can receive 500 Dimensional Crystals.
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 Weapons
Weapon Exchange Shop
Uniparts Farming Guide
Weapon Ascension
Emblem of Defense
Identified Kaiju Neutralization
Limited Stage 15Must 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 |
