Oxygen Not Included has one of the most active modding communities on the Steam Workshop.
Even if the unlocker works, the consequences often outweigh the saved $12.99 (the typical sale price of the DLC). Here is what the forums don't tell you.
While the technical aspect of "hooking" API calls is interesting, using these tools comes with significant downsides:
Oxygen Not Included is available on PC Game Pass. While the Game Pass version sometimes gets updates slower, it frequently includes the Spaced Out! DLC in the subscription cost. A $1 trial month beats a broken unlocker. oxygen not included dlc unlocker work
In the gaming underworld, a "DLC unlocker" is not a standalone program. It is typically one of three things:
The Core Question: Does it work (right now)?
Short Answer: Partially, but increasingly less so. Oxygen Not Included has one of the most
Long Answer: For single-player offline mode, some unlockers (specifically CreamAPI version 4.5+) do technically allow access to the Spaced Out! biome generation and Duplicant traits. However, Klei Entertainment has implemented a specific check that later versions of the game use. You will notice the DLC unlocker "working" until you try to use the Teleporter or save a game on a second asteroid. Many users report that save files become corrupted after Cycle 50 because the unlocker cannot spoof the rocket launch calculations.
Furthermore, as of the "U52" and "U53" updates (late 2023–2025), Klei migrated core asset loading to a newer engine backend. Older unlockers simply crash the game on startup.
Verdict: A DLC unlocker might open the DLC main menu toggle, but the game is so complex that cracks inevitably break pathfinding, radiation overlay, and the critical data banks. In the gaming underworld, a "DLC unlocker" is
To understand the unlocker, we first have to understand the lock. Oxygen Not Included is built on the Unity engine. When you launch the game, it needs to check two main things:
Under normal circumstances, this handshake happens seamlessly in the background. The Steam client acts as a secure vault, holding your licenses and handing them to the game upon request.
Klei Entertainment updates Oxygen Not Included frequently—sometimes several times a month with hotfixes. Every time the game updates, the DLC manifest IDs (the unique codes Steam uses to identify the DLC) can change.
Many users report that the unlocker "stops working" after a patch, requiring them to find a new cream_api.ini file with updated numbers. This creates a constant cat-and-mouse game that casual players find exhausting.
If you have a friend who owns Spaced Out!, they can Steam Family Share their library with you. You must play offline to avoid kicking them off, but this gives you 100% legitimate access to the DLC for $0.
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