If you’ve spent dozens of hours navigating the eerie, bioluminescent depths of 4546B, running from reaper leviathans, and piecing together the fate of the Degasi crew, you’ve almost certainly asked when is Subnautica 2.0 update coming out. The original underwater survival game launched back in 2018, and its dedicated fanbase has been begging for a major overhaul for years, with hundreds of feedback submissions and forum threads asking for quality of life fixes, new content, and long-requested features. Unknown Worlds Entertainment first teased the 2.0 update back in 2023, and since then, fans have been parsing every official post, leak, and playtest snippet for clues about when they can get their hands on the new version. This guide pulls together all official announcements, verified leaks, and community updates to give you the most accurate picture of what’s coming, and when you can expect it.
When Is Subnautica 2.0 Update Coming Out? Official Release Window & Leaks
As of the latest official community post from Unknown Worlds in late 2024, the 2.0 update is targeted for an early 2025 launch, with no specific date confirmed as of yet. The devs initially planned a late 2024 release, but pushed the date back to address critical save file corruption bugs that popped up during closed beta testing, as well as to polish crossplay functionality to work seamlessly across all platforms. The devs have confirmed there will be no early access release for 2.0, so the update will drop fully for PC, PlayStation 5, PlayStation 4, Xbox Series X/S, Xbox One, and Nintendo Switch at the exact same time, no staggered launches.
Leakers with access to the official closed beta Discord have shared that internal playtests are 95% complete, with only minor bug fixes left to address before launch. Multiple reliable leakers have pegged a mid-March 2025 release as the most likely window, though the devs have not verified this date publicly. The 2.0 update is completely free for all owners of the base Subnautica game, so you won’t have to pay any extra to access all the new content and features when it drops. Pre-load will be available 3 days before the official launch date for all platforms, so you can jump in the second the update goes live.
Key Confirmed Features Coming in Subnautica 2.0
The 2.0 update is far more than a simple bug fix patch, it’s a full overhaul of the base game that addresses many of the most common fan complaints and adds dozens of new features that change how you play. Full cross-platform multiplayer support for up to 4 players is the biggest addition by far, a feature fans have been requesting since the game first launched. You’ll be able to team up with friends no matter what platform they play on, build bases together, explore dangerous biomes as a group, and even share resources and crafting recipes mid-dive.
All of the game’s core biomes are getting visual remasters, with higher resolution textures, improved lighting effects, and new hidden areas to explore. The Lost River and Lava Lakes are getting the most significant changes, with new creature spawns, hidden lore entries, and even a few new small biomes tucked away in previously inaccessible corners of the map. There are also dozens of quality of life improvements, including faster scanning, a new portable storage crate you can carry on dives, extra building pieces for bases, and a new hard mode with permadeath and harsher oxygen limits.
There are also a few smaller, underrated features that the devs have confirmed that haven’t gotten as much attention:
Almost all of these features were pulled directly from community feedback submissions, so the devs have been very clear that this update is built for the fans who have supported the game for years. They’ve even added a handful of community-created base pieces and creature skins that were selected from a fan design contest held in 2024.
How You Can Prepare for the Subnautica 2.0 Launch
There are a few simple steps you can take right now to make sure you’re ready to jump into the 2.0 update as soon as it launches, without losing any of your existing progress. Back up all your existing save files before the update drops, especially if you play with mods. The devs have warned that old modded saves may not be compatible with the new version of the game, and even unmodded saves could run into corruption issues if you don’t back them up first. You can find your save files in the Subnautica folder in your My Documents directory on PC, or in the saved data folder on your console.
If you use mods, you should plan to disable them temporarily when the update first launches. Most mod creators will need 2 to 4 weeks to update their mods to work with the new game code, so running old mods on the 2.0 update could cause crashes, save corruption, or missing content. If you don’t want to play without mods, you can opt out of the 2.0 update on Steam and keep playing the old version until your favorite mods are updated.
If you’ve been halfway through a playthrough for a while, now is the perfect time to wrap it up, so you can start a fresh new playthrough with all the 2.0 update changes when it launches. You can also join the official Subnautica Discord server to get real-time updates when the official release date is announced, and even apply for the final closed beta playtest if you want to try out the update early and give feedback to the devs.
Rumored Features That Didn’t Make the Initial 2.0 Cut
Not every rumored feature is going to be in the initial 2.0 launch, and the devs have been open about pushing some content to post-launch patches to make sure the core update is stable. A lot of players were hoping for a new Arctic biome that was teased in a 2023 dev diary, but the devs confirmed that this biome will be released as a free DLC 6 months after the 2.0 update launches, so it’s not canceled, just delayed to give the team more time to polish it.
There were widespread rumors of a new leviathan class creature being added in 2.0, but that’s still in early development and won’t be part of the initial release. The devs said they want to make sure any new leviathan fits naturally into the game’s existing atmosphere, and doesn’t feel like a cheap addition just to generate hype. They’ve also confirmed that the new leviathan will be added in a free post-launch patch, so you won’t have to pay for it when it does come out.
Cross-progression between platforms is another highly requested feature that won’t be available at launch, but it’s in active development and will be added in a patch a few months after 2.0 drops. That means you won’t be able to transfer your save from PC to console or vice versa when the update first launches, but you will be able to do so later down the line. Some players were disappointed about these delays, but most agree that it’s better to wait for a stable, polished update than get a buggy, unfinished one earlier.
If you’ve been waiting to revisit 4546B with friends or experience the biomes you know and love with a fresh coat of paint, the wait is almost over. While we don’t have an exact date just yet, all official updates and verified leaks point to the Subnautica 2.0 update coming out in the first half of this year, and it’s shaping up to be well worth the years of waiting. Make sure to back up your saves, keep an eye on official announcements, and get ready to dive back into one of the best survival games ever made.
