The confirmed Petit Planet code is PTPL1204. It grants Curio Sea Whistle ×10 and can be redeemed after the game launches on December 4, 2026. Enter it in Settings > Account > Redemption Code, then claim the reward from your PuffPost Box.
The code expires on January 3, 2027, at 10:00 UTC+8. The delivered PuffPost reward has a separate 30-day expiry, so redeeming the code and collecting the message are two distinct steps.
PTPL1204 reward and deadline
| Detail | Confirmed information |
|---|---|
| Code | PTPL1204 |
| Reward | Curio Sea Whistle ×10 |
| Item use | Starsea Call, to obtain seasonal Curios |
| Redemption opens | After launch |
| Code deadline | January 3, 2027, 10:00 UTC+8 |
| Menu route | Settings > Account > Redemption Code |
| Delivery | PuffPost Box |
| Delivered reward expiry | 30 days |
As of November 2, 2026, this is an announced launch code. Its presence does not mean the game is publicly playable before release, or that an old beta installation can redeem the launch reward now.
The item description establishes a use in Starsea Call. It does not establish the probability of a particular Curio, a guaranteed seasonal item, or a cash equivalent for the reward. Treat the ten whistles as the stated item grant rather than a promise of a specific result from the system where you use them.
How to redeem the code after launch
- Open Petit Planet after the public launch.
- Open Settings.
- Select Account, then Redemption Code.
- Enter PTPL1204 exactly.
- Open your PuffPost Box and collect the delivered reward before its 30-day expiry.
The confirmed route is in-game. A separate web redemption form, minimum account level, and region-specific restrictions are not established by this notice. Do not replace the documented menu route with instructions copied from another HoYoverse game.
Entering the code is also not the final receipt check. The reward is delivered to PuffPost, so confirm that you have collected it rather than assuming that submitting the string puts the whistles directly into your usable inventory.
Keep the two expiration periods separate
The code deadline controls when you can submit PTPL1204. It is a specific date and time in UTC+8: January 3, 2027, at 10:00.
The 30-day period applies to the delivered reward. It is not an extension of the code's redemption deadline. Likewise, knowing the code's end date is not a reason to leave a delivered PuffPost message unclaimed.
If you play in another time zone, convert the published UTC+8 deadline before planning a last-minute redemption. The safest practical approach is to redeem after launch and collect the PuffPost reward in the same session, rather than leaving either step close to its expiry.
Code rewards are separate from registration campaigns
Pre-registration rewards, invitation events, prize draws, and a redemption code may appear together on the launch site, but they use different actions. Registering for the game does not establish that you have entered PTPL1204, and submitting the code does not establish that you have completed an invitation event.
The code's reward is specifically ten Curio Sea Whistles. Bestie Star-Light, the Sproutling Outfit, and other registration or milestone rewards should not be substituted into this code's reward row.
The Final Beta ended on October 19, 2026. A test-access invitation is also separate from this launch gift. Use the code's actual post-launch redemption instructions rather than an old access-check page.
If redemption does not produce the expected result
Check the timing first: redemption is announced for after launch, not for the pre-launch period. Then compare the entered string with PTPL1204 and confirm that the published code deadline has not passed.
If the code is accepted, check the PuffPost Box and the reward's own expiry. No exact error-message list, retry delay, or special recovery command is established here. Those details should come from the released game's response rather than a guessed troubleshooting sequence.