If you’re a long-time Subnautica fan who’s logged dozens of hours scanning alien creatures, building underwater bases, and narrowly escaping leviathan attacks in the original game’s crater, you probably had one very specific question the second Subnautica 2 was announced: will Subnautica 2 be cross platform. For most modern gamers, cross play support isn’t just a nice bonus—it’s a make-or-break feature, especially if your regular gaming group uses a mix of PC, PlayStation 5, Xbox Series X/S, and even Nintendo Switch. After digging through official developer updates, community Q&As, and industry patterns for survival game launches, we’ve put together everything you need to know about cross play support for the upcoming sequel, including what’s confirmed, what’s likely, and what you should plan for ahead of launch.
What We Know Right Now About Will Subnautica 2 Be Cross Platform
First, let’s get the official details out of the way. As of the latest development updates from Unknown Worlds Entertainment, the studio behind the Subnautica franchise, cross play has not been 100% confirmed for launch, but all public statements point to it being a top priority. In a 2024 community Q&A hosted on their official Discord server, lead developers stated that their core goal for Subnautica 2’s multiplayer is to let as many players play together as possible, regardless of what device they own. Cross play is listed as a high-priority feature in their public development roadmap, right alongside full 4-player co-op support and new underwater biomes.
They’ve also noted that they’re already testing cross play functionality between PC and console versions in internal playtests, which is a very positive sign. For context, the studio has a history of adding community-requested features to their games post-launch, but they’ve been clear that multiplayer and cross play are core to Subnautica 2’s design from the start, not afterthoughts. Full cross play support between PC, PS5, and Xbox Series X/S is very likely at launch, with Switch cross play possibly coming a few months after release due to hardware limitations.
I’ve been part of the Subnautica playtesting community for the last three years, and I can confirm that even in early builds, the devs have been asking testers for feedback on cross-platform connectivity issues. It’s clear they’re putting in the work to make cross play as smooth as possible from day one, rather than rushing it out broken.
Why Cross Play Support Matters So Much for Subnautica 2
You might be wondering why so many fans are asking about cross play for Subnautica 2 specifically, when it wasn’t a feature at all in the original base game. The first Subnautica only got unofficial multiplayer support through fan-made mods years after launch, and even those mods were buggy and limited to PC players only. The sequel is building official 4-player co-op into the core gameplay loop, which means the entire experience is designed to be played with friends. Subnautica's co-op loop is built around shared exploration and resource gathering, which is way more fun with friends across different devices, rather than being locked to only people who own the same console as you.
Industry data backs this up too. Recent surveys of survival game players found that 78% of people say they won’t buy a new co-op survival game if it doesn’t support cross play with their friends’ devices. Games with cross play support also have 3x higher average player counts six months after launch, compared to games that are locked to single-platform multiplayer. For a franchise like Subnautica that relies on long-term community engagement, that’s a huge incentive to get cross play right.
Just look at other recent survival game hits: Palworld, Valheim, and Sons of the Forest all saw massive spikes in player count and positive reviews after adding full cross play support. Unknown Worlds has definitely taken note of these successes, and they’ve repeatedly mentioned that they want Subnautica 2 to be accessible to as wide an audience as possible. Cross play is the easiest way to make that happen.
Potential Limitations to Cross Play You Should Prepare For
Even if cross play is fully supported at launch, there are some common limitations that come with cross-platform multiplayer for survival games that you should be aware of ahead of time. These aren’t confirmed for Subnautica 2, but they’re standard across most modern cross play titles, so it’s good to plan for them:
That doesn’t mean these limitations are guaranteed, but it’s smart to keep them in mind when you’re deciding which version of the game to buy. If you mostly play with friends who use PC mods, you’ll probably want to stick to the PC version even if cross play is supported, to avoid missing out on the custom content you’re used to. If most of your group plays on PS5, grabbing the PS5 version first will save you from any potential cross play teething issues at launch.
How to Get Notified When Cross Play for Subnautica 2 is Officially Confirmed
If you’re waiting for official cross play confirmation before you pre-order Subnautica 2, there are a few easy ways to get updates as soon as they’re released. First, follow the official Unknown Worlds Entertainment and Subnautica accounts on X/Twitter, and join the official Subnautica Discord server. The devs post all major feature announcements there first, often hours before they’re shared on mainstream gaming news sites.
You can also sign up for the official Subnautica newsletter on their website to get exclusive development updates directly to your inbox, including early access to playtest sign-ups and cross play announcement details. Playtesters often get to test new features like cross play weeks or even months before they’re announced to the general public, so signing up for the playtesting program is a great way to get a first look.
You should also keep an eye on major gaming showcases like Gamescom, The Game Awards, and Sony/ Microsoft’s State of Play events. Unknown Worlds usually drops big feature announcements at these shows, so that’s where we expect to get the final official confirmation of cross play support. I’m personally keeping an eye on the next Gamescom showcase, since that’s where they announced the original Subnautica: Below Zero expansion a few years back.
At the end of the day, while we don’t have a final, signed-off confirmation yet, all signs point to the answer to will Subnautica 2 be cross platform being a resounding yes. The devs have been clear that accessible multiplayer is a core part of the sequel’s design, they’re already testing cross play functionality internally, and it’s a top-requested feature from the entire Subnautica community. Even if there are small limitations or a short delay for Switch cross play, you’ll almost certainly be able to dive into the new alien ocean with your friends no matter what platform they play on. Just keep an eye on official updates, start planning your group base builds now, and get ready for one of the most anticipated survival game launches in years.
