Searching for “once human redeem code” and expecting a list of codes to copy? That’s exactly the trap almost everyone falls into. Unlike plenty of other online games, Once Human doesn’t have one universal promo code system. It has an invitation code for joining a friend, plus various event rewards that are activated in a completely different way. In this article I’ll explain what each kind of “code” means, how to claim it, and above all where to follow the current offers so you’re not staring at a dead list a few weeks from now.
Two different terms that get mixed up
When you type “once human redeem code” or “once human activation code”, the search engine mixes two different things together:
- Invitation code: text or a number a friend sends you so you can join their server even when it’s full. It has nothing to do with rewards or promo campaigns.
- Redeem / promo codes and event rewards: anything that gives you an in-game item, Starchrom or cosmetics for free. In Once Human, though, these rewards usually aren’t entered as a text code you’d “copy” from somewhere else. They’re claimed directly in the event interface or in a so-called Redeem Shop after you meet the conditions (logging in, playtime, inviting players).
If you’ve come across a site with a list of “active codes”, it usually mixes both together, and that’s the main reason lists like that quickly stop being accurate.
Special / Friend Invitation Code: how it works
This code solves one specific situation: you want to play with a friend on the same server, but the server is full or you can’t get onto it through the regular selection. According to the official FAQ for the console launch, it works like this:
- First, you both have to be in the same region (check it in the top right corner of the login screen), and you need to have finished the opening phase of the game.
- In the scenario selection, choose “More Servers” and find the specific server your friend plays on. You can identify it by the server name your friend sees in their character login summary.
- If the server is full, you need a Special Invitation Code from your friend. They’ll find it on their character namecard after logging into the server and can send it to you over Discord or chat, for example.
- You enter the code at the point where the system says the server is full: a field for entering the invitation opens up.
This type of code is single-use and tied to the specific server and the player who generated it. It can’t be shared publicly or used on a different server.
If you’re already on a server and want to leave quickly to join a friend: until the scenario reaches its rest phase, you can leave the server once for free via Scenario > Scenario Description > Scenario Exit and sign up for theirs directly. Once the scenario reaches the rest phase, you simply sign up for their server again without any extra steps.
How (and where) to claim rewards and event codes
For classic event rewards (Starchrom, cosmetics, Stardust Secret Crate and the like), the process looks different from an invitation:
- Rewards for updates or maintenance land automatically in your in-game mailbox; you don’t enter anything.
- Rewards from limited-time events (such as login bonuses, “Gather Friends” or returning player packs) are claimed directly in the event interface, usually through the event icon in the main menu or through the Event Center, where you see your task progress and a claim button.
- Some events have their own Redeem Shop. You don’t type in any code there; instead you exchange collected points or currency for specific items on offer. The Redeem Shop closes together with the end of the event, so anything you don’t claim in time is lost.
- If you played the console test and your rewards didn’t show up after the live version launched, you claim them through the event interface in the game; if nothing arrives, customer support handles it directly in the game (menu > Feedback & Customer Support) or through the official feedback form on the game’s website.
Is the process different on PC, mobile and console?
Not significantly. Once Human runs with a shared account across PC, mobile and console (PlayStation 5, PlayStation 5 Pro, Xbox Series X|S), so you’ll find the event interface and the Redeem Shop in the same place in the menu regardless of platform. The only difference is that on console you link your account for the first time: either through a link to the linking page or directly in the game via Settings > Account > Link Account. Without linking, you don’t have access to your earlier progress and rewards from PC/mobile, so if you’re moving to console, make linking your first step, before you deal with any codes.
Where the developers actually publish codes and rewards
So you don’t have to rely on other people’s lists, follow the sources the development team (Starry Studio) posts to directly:
- Steam Community: the news section for Once Human, where patch notes and event announcements appear first.
- The game’s official Discord server.
- Reddit r/OnceHumanOfficial.
- X (formerly Twitter), Facebook, YouTube and TikTok accounts under the handle “oncehuman_official”.
- The game’s official website oncehuman.game, which also has an archive of older announcements and a feedback form.
These are the only places where you can be sure the information is current and really comes from the developers, not copied over and already outdated.
Why most “code lists” on the internet no longer work
This kind of content is created as an easy traffic magnet, but it has three traits that make it go out of date quickly:
- Short validity. Events and their rewards run for days to a few weeks. Once Human gets updates roughly every two weeks, bringing new events, and the old ones end.
- Single-use or tied to one player. A Special Invitation Code belongs to a specific player and server. It can’t be “shared” as a universal code for anyone, even though code list sites sometimes present invitation codes that way.
- Regional and platform differences. Console, PC and mobile share the main content, but some events or rewards may differ between platforms, so a list written for one platform may not match another.
In other words: if you see a site with a headline like “all working codes [month, year]”, the safest move is to check every item directly in the official channels above, rather than trusting the date in the article’s headline.
FAQ
After logging in with their character, your friend finds the Special Invitation Code on the character namecard and sends it to you outside the game, for example over Discord. You enter it when you try to join their server at the moment the game reports that it’s full.
Yes, cross-play between PC, mobile and console (PS5, PS5 Pro, Xbox Series X|S) is fully supported, so you can join your friend regardless of which platform they play on and which one you use.
No. Once Human is free-to-play on consoles just like on PC and mobile. An active PS Plus or Game Pass Core subscription only adds cosmetic membership rewards on top; it doesn’t restrict game features like invitations or multiplayer.
Compare its date with the latest official announcement on the game’s Steam page or Discord. If the site doesn’t list a source or the release date of the event the codes belong to, treat it as untrustworthy and check directly in the official channels.
No. If you stay on your current server, you won’t lose progress or supplies. Once you decide to leave the server, your gear, resources and other items are transferred to Eternaland according to the rules.
The official sources this article is based on don’t confirm any such separate page for entering promo codes. Event rewards are claimed directly in the game interface, so follow the official channels, not third-party sites.
Information verified as of 25 August 2026, for version 3.0.5 (and the hotfixes from 4 and 8 September). Mechanics change with further updates, so always check invitation codes and event rules in the current game interface. You can continue with servers and multiplayer, the overview of platforms and crossplay, or if you’re just starting out with the game, take a look at the first steps in Once Human. All articles are in the Once Human guide.