The Experimental branch (also known as the Public Test Branch, or PTB) is an optional, opt-in version of Subnautica 2 where you can play upcoming content before it reaches the main Early Access build. We use it to test each major update in a real-world environment ahead of its wider release.
Articles in this section
- How often is the Experimental branch updated?
- Where do I report bugs I find on the Experimental branch?
- What happens to my save when I switch to the Experimental branch?
- Can I play with Default-branch players while on the Experimental branch?
- Is the Experimental branch available on Epic?
- What are the requirements to participate on Xbox?
- How do I join on Xbox?
- How do I switch back to the Default branch?
- Can I have both the Default and Experimental versions installed at the same time?
- Do I have to re-download the entire game?