How many copies has Subnautica 2 sold?

Subnautica 2 surged past 1 million sales within hours

Multiple reports in the coverage describe a rapid early sales breakout for Subnautica 2 as it enters early access.

Across steam performance chatter and sales-focused writeups, the headline numbers are consistent:

• Subnautica 2 sold 1 million copies in its first hour after early access launch.
• It also reached nearly half a million concurrent players on Steam within the first hour, indicating strong simultaneous demand rather than only slow, steady sales.

These figures matter for two reasons.

First, they suggest the new game is overcoming prior uncertainty around early-access survival launches. The franchise has a long history with deep-sea crafting and exploration, but the early access period can be a risk if players feel the product is unfinished. The speed at which Subnautica 2 is drawing both purchasers and peak concurrent users implies players are willing to jump in early.

Second, such launch momentum can reshape how studios and publishers plan support. High early engagement typically increases the payoff for ongoing updates and community tooling, because there’s enough active player data to justify rapid iteration.

The coverage also frames these results as particularly notable because the game had substantial pre-launch expectations—so the early numbers are not just respectable, they’re “over the top” by typical early-access standards.