COSM-GAME KAIJU NO. 8 THE GAME Redeem Codes for August 2026
KAIJU NO. 8 THE GAME serial codes are tracked here with their current status, rewards, and redemption details. As of August 26, 2026, one code is confirmed active. The newest active code, 8GODAY2026, grants 500 Dimensional Crystals and expires on August 4, 2027.
Codes summary
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KAIJU NO. 8 THE GAME Active Codes
1 working codeOne serial code is confirmed active as of August 26, 2026. 8GODAY2026 grants 500 Dimensional Crystals and remains redeemable through August 4, 2027.
| Code | Rewards | Region | Released | Expires | Info |
|---|---|---|---|---|---|
500 Dimensional Crystals | Global | Aug 5, 2026 | Aug 4, 2027 |
Expired Codes
0 archivedNo verified historical serial codes are currently confirmed expired.
Redemption Guide
1 platformKAIJU NO. 8 THE GAME serial codes are redeemed through the official Web Store. Sign in with the Apple or Google account linked to the player data that should receive the reward.
Code Rules & Troubleshooting
The most common redemption problem is signing in with an Apple or Google account that is not linked to the intended player data. From the Home screen, open the global menu, select Menu, then use Account Linking to connect the account before signing in to the Web Store.
An expired serial code cannot be redeemed. If Web Store sign-in fails, confirm that the same Apple or Google account is linked to the game data and retry after checking the network connection.
New Code Announcements
New serial codes can be announced through official special programs, game news, and the official X account. The current 8GODAY2026 anniversary code was distributed through the Kaiju No. 8 Day special program.
Trailer, Screenshots & Media
The selected media covers the first anniversary campaign, Kaiju No. 8, Reno Ichikawa, Kikoru Shinomiya, Sagan Shinomiya, current battle events, character progression, and the Defense Force in combat.
KAIJU NO. 8 THE GAME Codes FAQ
6 questionsCommon questions about redeeming KAIJU NO. 8 THE GAME codes.
No. Each serial code can only be used once for the linked player data. Redeeming the same code again will not provide another reward.
No. A completed serial-code redemption cannot be canceled. Check that the Web Store is signed in to the intended linked account before submitting the code.
Items that cannot be added because the possession limit has been reached are sent to the in-game mail. Check the mail after redemption if an expected item does not appear directly in your inventory.
This can happen when a serial code is redeemed while KAIJU NO. 8 THE GAME is running. Reload the game from the title screen so the linked player data can reflect the redemption.
No. The current redemption deadline for 8GODAY2026 is August 4, 2027. Expired serial codes cannot be redeemed after their availability period ends.
The reward is applied to the player data linked to the Apple or Google account currently signed in to the Web Store. Confirm the linked account before redeeming because a completed redemption cannot be transferred to different player data.
