Once Human Codes (April 2025)

In Once Human, survive a world overrun by an alien parasite! As a special human with Stardust powers, fight mutated creatures, build your own shelter, and explore to find the truth. You can play alone or with friends to battle monsters, craft powerful weapons, and uncover the secrets of the alien threat. Will you be humanity’s last hope?

Codes for Once Human can earn you neat, free goodies like Skins, Energy Links, and more!

All Codes for Once Human List

Active Once Human Codes (Working)

• MP3H4X643R – 1000 Starchrom (NEW)
• OH000007 – Freebies
• TD6JFM4Y6N – Freebies
• ASJM36TW7Y – 1000 Starchrom
• QJQWWNMC4R – 1000 Starchrom
• XCX3R4DHKA – 1000 Starchrom
• RHM4TK3E6E – 1000 Starchrom

Find codes for a bunch of other games in our Mobile Games Codes page.

Expired Once Human Codes (Not Working)

• OnceHumanKFBT – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• OnceHumanTBG – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• OnceHumanCrow – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• OnceHumanIGP – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• OnceHumanLG – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• OnceHumanJRPT – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• OnceHumanMMOB – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• HJDPYT8KWY – Freebies [Expires December 3rd]
• HALLOWEEN2024 – 1x Butterfly Emissary Crate I, 1x Stardust Corn Ale, 3x Quick Activator, 50x Stardust Source, 1x Canned Lunch Meat (NEW)
• ONCEHUMAN1010 – 500 Starchrom, 1x Butterfly’s Emissary Crate I
• JTA6DXDRYR – 500 Starchrom, 1x Butterfly’s Emissary Crate I
• 37CRASHCOURSE – 2x Activator, 1x Adrenaline Shot, 50x Stardust Source
• ONCEHUMAN0920 – 500 Starchrom, 1 Butterfly’s Emissary Crate I
• CK4664KQW4 – 500 Starchrom, 1 Butterfly’s Emissary Crate I
• ONCEHUMAN0815 – Freebies
• ONCEHUMANNEWS – Freebies
• OH000007 – 300 Energy Link and 2 Activators
• HYD7MY66RT – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• FCNX8NHXJ7 – 300 Energy Link, 2 Activators, and 1 Adrenaline Shot
• CDYM4MXDNH – 200 Energy Link and 2 Sanity Gummies
• OnceHuman0710 – Camouflage vehicle skin

How to Redeem Once Human Codes

To redeem codes in Once Human, you will need to follow these steps:

1. Press Esc, Shop Event then Shop.
2. Click Events at the top of the screen, then Redeem Code in the bottom right of the screen.
3. Enter a working code in the text box and hit Redeem.
4. You’ll get your free code rewards instantly in the in-game mail if the code is still active.
5. If not, let us know in the comments!

Be sure to use codes from our Once Human list quickly, as they may expire soon.

Those are all of the Once Human codes we currently have listed. If you see one that we’re missing, please let us know in the comments so we can add it right away!