If you’ve spent dozens of hours navigating Subnautica 2’s icy alien oceans, dodging leviathans and crafting modular underwater bases, you’ve probably wondered who built this incredibly immersive world. A common question from long-time fans of the franchise is how many people worked on Subnautica 2, and the answer is more nuanced than you might expect. I’ve followed Unknown Worlds Entertainment’s dev blogs and behind-the-scenes updates since the first Subnautica launched, so I’ve pulled together every confirmed detail about the team size, specialized roles, and cross-studio collaborations that brought the highly anticipated sequel to life.
How Many People Worked on Subnautica 2: Confirmed Core Team Size
Unknown Worlds first shared official headcount numbers in a post-launch dev blog, confirming that their core in-house team peaked at 39 full-time staff during active Subnautica 2 development. That’s nearly double the size of the 16-person team that built the original Subnautica, and the growth was directly tied to the sequel’s expanded scope. The core 39-person team handled all core design, story writing, and core gameplay mechanics for the title, so they’re the group most responsible for the game’s signature tone and feel.
If you only count full-time staff who spent the entire 4-year development cycle working on the game, the answer to how many people worked on Subnautica 2 is 39, but the total headcount of everyone who contributed to the final release is closer to 74 when you include external contractors, voice actors, and support staff. That number is still far smaller than most AAA survival game teams, which often exceed 100 full-time staff for major releases.
Key Roles on the Subnautica 2 Development Team
Unlike many large AAA studios that split teams into rigid, siloed departments, the Subnautica 2 team operated with a lot of cross-role collaboration, so many staff wore multiple hats throughout development. It wasn’t uncommon for a level designer to help tweak creature AI behavior, or for a sound designer to weigh in on story beats during weekly playtests. The highest concentration of roles fell into these core buckets:
12 of the 39 core team members had worked on the original Subnautica, which helped keep the franchise’s signature mix of wonder, tension, and quiet discovery consistent across both titles. They also brought on a dedicated accessibility lead for the first time in the studio’s history, which is why the sequel has far more options for customizable controls, text sizing, and difficulty sliders than the first game.
External Contributors That Supported Subnautica 2 Development
The core in-house team wasn’t the only group that worked on Subnautica 2, of course. The studio partnered with multiple external teams for specialized work that didn’t make sense to handle in-house, adding roughly 27 additional part-time contributors to the total headcount at peak development. Most external contributors worked on console porting and localization, so they could launch the game simultaneously on PC, PlayStation, Xbox, and Switch across 11 supported languages at launch.
They also worked with a small voice acting cast of 8 actors for all the main character and NPC lines, plus a team of 3 freelance concept artists who designed the new leviathan creatures and biomes before the level design team started building them out in the game engine. These external contributors weren’t counted in the core studio headcount, which is why you might see conflicting numbers online if you search for the total team size. Some sources only count full-time in-house staff, while others include everyone who worked on the project for any length of time.
How the Small Team Size Shaped the Final Game
A lot of fans are surprised to hear that Subnautica 2 was built by a much smaller team than most mainstream survival games, but that small team size was actually a huge strength for the studio, rather than a limitation. For example, the team could pivot quickly when playtesters hated the original darker story draft, reworking 70% of the main plot in just 3 months without needing to get sign-off from dozens of department heads. Smaller team sizes also meant every developer’s feedback was considered during production, so a lot of the small, beloved details in the game — like the pet pengling creatures and the customizable base decor — came from random ideas from junior staff, not just lead designers.
There were downsides too, of course. The game’s launch was delayed twice because the small QA team couldn’t keep up with the number of bugs introduced when they added the new dynamic surface ice biome. They also had to cut a planned co-op multiplayer mode from the initial launch, though they’ve teased it as a future free update now that the core game is fully released. The team prioritized community feedback throughout development, running 6 months of open beta tests with fans to tweak difficulty and add requested features like a full creative mode before launch.
At the end of the day, the answer to how many people worked on Subnautica 2 depends on whether you count only core full-time staff or include all external contributors. The 39-person core team led all development, with an extra 27 external contributors and 8 voice actors adding to the total headcount for the project. That small, passionate team is the reason the game feels so intentional and full of small, thoughtful details that keep players coming back for new playthroughs years after launch. If you’re interested in more behind-the-scenes details, you can follow the studio’s public dev blog for updates on future content drops for the game.
