Once Human Release Date and Codes for September 2025

Once Human codes offer players a quick way to unlock free rewards, including Starchrom and Butterfly Emissary Crates, and occasionally, a fresh Paint. Whether you’re diving into a new season or enjoying Eternaland, claiming these rewards through Starry Studio is a straightforward method to enhance your gameplay or collect delightful stickers and Cradle Charms. Below, you will find all the rewards available as of September 2025, along with essential instructions for redemption.

Current Once Human Codes

As of September 19, 2025, there are three active codes in Once Human. Each code has been verified for its functionality within the game:

There’s currently no information on the expiration of these codes; once they become unavailable, we will shift them to the expired section below. We will continuously update this page with any new codes, so it is advisable to bookmark this page for the latest rewards.

Steps to Redeem Codes

Players can redeem free rewards in Once Human without needing to meet any specific prerequisites, such as reaching a certain level or completing a quest. Follow these simple steps:

Open the in-game menu and navigate to the Shop’s Event tab by pressing F3 on your keyboard.
Locate the Redeem Code option at the bottom right of the screen.
Input the active code and click on Redeem.
- If successful, an ‘OBTAINED’ notification will appear, confirming the items you’ve received.

Events tab in Once Human for code redemption

Showcasing redeemed rewards in Once Human

Keep in mind that the codes in Once Human are case-sensitive. To prevent errors, it is recommended to copy and paste the codes directly from this page.

Expired Codes

Purpose of Once Human Codes

The codes significantly enhance gameplay in Once Human by providing valuable items such as Energy Links, Activators, Adrenaline Shots, and new vehicle skins.

Energy Links are crucial for facilitating fast travel and unlocking Memetics. Meanwhile, Adrenaline is your go-to healing item when you take damage. Moreover, Activators are essential for increasing HP recovery and overall performance during gameplay.