Subnautica 2 reached an all-time peak of 467,582 concurrent Steam players within an hour of its May 14, 2026 early access launch. Here is everything you need to know about the sequel’s record-breaking debut, co-op mode, legal drama, and what comes next.
Subnautica 2 launched into early access on May 14, 2026, and within a single hour it had reached an all-time peak of 467,582 concurrent players on Steam according to SteamDB. That figure is roughly nine times the original Subnautica’s lifetime record of 51,156, set back in January 2018. With a 90% positive rating from over 5,000 user reviews and a $29.99 price tag, the underwater survival sequel has already become one of the biggest early access launches of 2026.
How Quickly Did the Player Count Climb?
The numbers escalated at a staggering pace. Within moments of the 11 AM Eastern launch time, over 100,000 players were in-game. Thirty minutes later, SteamDB recorded more than 370,000 concurrent users. By the 45-minute mark, the count had crossed 413,000. Steam’s own Most Played chart showed 426,000 players at roughly 11:44 AM Eastern, placing Subnautica 2 as the fourth most-played game on the platform, trailing only Counter-Strike 2, PUBG, and Dota 2. The final recorded peak settled at 467,582.
To put those numbers in context, Crimson Desert topped out at around 276,000 concurrent players roughly ten days after launch. Resident Evil Requiem peaked at just above 344,000. The only 2026 early access launch to surpass Subnautica 2 so far is Slay the Spire 2, which reached 574,638 concurrent players a couple of days after its own release. With a weekend still ahead at the time of the peak, some observers noted that the sequel could yet challenge that benchmark.
Five Million Wishlists and a Free Gift
Subnautica 2 crossed five million Steam wishlists on May 11, 2026, three days before launch. That milestone made it the most-wishlisted title on the platform and prompted Unknown Worlds to announce a free in-game gift for every player: a Reaper Leviathan Statue blueprint. The gift is permanent, available to early access adopters and players who join after the full 1.0 release alike. The franchise has built a cumulative fanbase of over 18.5 million players across the original Subnautica and Below Zero, providing a massive pool of potential buyers for the sequel.
The Legal Battle Between Unknown Worlds and Krafton
The road to launch was turbulent. In July 2025, publisher Krafton fired Unknown Worlds CEO Ted Gill and the studio’s co-founders. Allegations emerged that Krafton aimed to sabotage Subnautica 2’s sales targets to avoid paying a $250 million earnout bonus tied to the game’s commercial performance. According to PC Gamer, Krafton CEO Changhan Kim reportedly consulted ChatGPT for advice on how to avoid paying that bonus.
Fortis Advisors, representing Unknown Worlds’ former shareholders, filed suit in the Delaware Court of Chancery on July 10, 2025. The court found in March 2026 that Krafton had breached the Equity Purchase Agreement by terminating key employees without valid cause and seizing operational control. It ordered Gill’s immediate reinstatement as CEO with full authority over the early access launch and extended the bonus earnout deadline by nine months.
The legal dispute is far from over. The case was split into two phases: the first addressing Krafton’s interference with studio control, and the second determining whether Krafton’s actions wrongfully impaired the earnout. If found liable in phase two, Krafton could face additional damages. For now, Subnautica 2’s explosive launch numbers serve as powerful evidence in Unknown Worlds’ favour.
What Does Subnautica 2 Actually Offer?
Subnautica 2 is set on an entirely new alien planet called Zezura, leaving behind Planet 4546B from the original games. Players take on the role of a Pioneer aboard the colony ship CICADA, sent by the Alterra Corporation to start a new life. When the mission goes wrong, survival becomes the only priority. The core loop remains familiar: explore a vast underwater world, gather resources, craft tools, and build a base to stay alive.
The sequel is built on Unreal Engine 5, a significant upgrade from the Unity engine used in its predecessors. This brings dramatically improved lighting, volumetric effects, subsurface scattering, and bioluminescent environments that make the ocean depths feel more alive. Creature AI has also been substantially enhanced, with marine life behaving more dynamically even when the player is not directly interacting with them.
Co-op Multiplayer Arrives for the First Time
The most requested feature in Subnautica history is now real. Subnautica 2 supports optional four-player online co-op with cross-platform play across Steam, Epic Games Store, Xbox, and Microsoft Store. The game was designed as a single-player experience first, with co-op layered on top as a bonus. Players who prefer the classic isolated survival experience can play entirely solo; multiplayer requires a direct invite, so no one joins uninvited.
Co-op features a shared progression system, a no-leash mechanic that lets teammates roam as far apart as they want, and seamless switching between solo and multiplayer sessions. The first major post-launch update will focus on improving the co-op experience with proximity voice chat and emotes. There is no PvP element whatsoever.
Base Building, Vehicles, and DNA Modification
Base construction has been overhauled with far more customisation options. Window shapes, compartment layouts, and structural connections are no longer locked to preset designs. Players can combine and shape their underwater habitats with significantly more freedom than the original game allowed.
The vehicle system is modular. The new Tadpole submersible and other craft can be configured for different purposes: mining, exploration, or combat. Unknown Worlds has confirmed that a large submarine vehicle functioning as a mobile base, reminiscent of the Cyclops from the first game, will arrive in a future update. Players can also modify their own DNA to acquire new abilities, a feature originally cut from the first Subnautica. This mechanic adds a meaningful layer of character progression that the series previously lacked.
Price, Platforms, and Game Pass Availability
Subnautica 2 is priced at $29.99 on Steam and Epic Games Store, with £24.99 as the UK price. Unknown Worlds has confirmed the price will increase when the game exits early access. Xbox Game Pass Ultimate and PC Game Pass subscribers can play from day one at no additional cost, though Essential and Standard tier subscribers need to purchase separately.
The early access window is estimated at two to three years, targeting a full 1.0 release around 2028 or 2029. During that period, Unknown Worlds plans to add new biomes, leviathans, vehicles, story chapters, tools, and gameplay mechanics through regular updates. A PlayStation 5 version is expected only after early access concludes, in line with Sony’s policy of not listing early access titles on the PlayStation Store.
Critical Reception and Early Impressions
With over 5,197 user reviews and a 90% positive score on Steam, first impressions are strong. PC Gamer described Subnautica 2 as a “decidedly well-balanced survival game” and noted that the crafting and base-building feel rewarding without being tedious. Kotaku praised the stunning visuals, calling the game “utterly incredible” even on medium settings, though it criticised the sequel’s heavy-handed narrative direction and over-reliance on scripted progression that limits open exploration.
Unknown Worlds has stated that this early access build is “bigger and more polished” than any of the studio’s previous launches. Community feedback will be collected through a public Nolt board, continuing the developer’s tradition of iterating closely with its player base throughout early access.
No Microtransactions, No Battle Passes
Unknown Worlds has repeatedly confirmed that Subnautica 2 will never include microtransactions, battle passes, loot boxes, or subscription fees. All future content will come through free updates. In an era where live-service monetisation dominates the survival genre, this commitment has been a significant factor in the community’s enthusiasm for the sequel.
What Players Are Asking Before Diving In
Can I play Subnautica 2 entirely solo? Yes. The game is designed as a single-player experience first. Co-op is fully optional and invite-only.
Which platforms support Subnautica 2 right now? Steam, Epic Games Store, Xbox Series X|S, and Microsoft Store. It is included in Xbox Game Pass Ultimate and PC Game Pass. PS5 will follow after the full 1.0 release.
Is there cross-play? Yes. PC and Xbox players can play together across storefronts. A Microsoft account link is all that is needed.
Does it support VR? Not at early access launch. The developers have not ruled it out entirely but have made no commitment.
What are the minimum PC requirements? Intel Core i5-8400 or AMD Ryzen 5 2600, 12 GB RAM, GeForce GTX 1660 or RX 5500 XT, 50 GB storage, DirectX 12, and Windows 10 or 11.
Will the price go up? Yes. Unknown Worlds confirmed the price will increase when the game leaves early access, so buying in now locks the $29.99 rate.
Subnautica 2’s opening day has made one thing clear: the appetite for deep-sea survival adventures is enormous, and Unknown Worlds has delivered a launch that matches the hype. Whether you explore alone or bring friends along, the alien oceans of Zezura are already packed with hundreds of thousands of divers. If you are looking to buy or sell Steam accounts with extensive game libraries, the GamerMarkt Steam Accounts marketplace offers a secure platform for trading.
