Unknown Worlds Entertainment starts development of the video game Subnautica, focusing on underwater exploration and survival.
Subnautica is released on Steam Early Access, allowing players to try the game and provide feedback while development continues.
Subnautica is officially released on PC, completing the early access phase and offering the full game experience.
A sequel entitled Subnautica: Below Zero is released on Early Access, continuing underwater adventure themes with new environments.
Subnautica: Below Zero officially launches, providing a complete experience as a sequel to Subnautica.