Subnautica is an underwater open world adventure game, currently available on Steam and Xbox One (Preview).

Descend into the depths of an alien underwater world filled with resources, creatures, wonder and threats. Craft equipment and submarines to explore lush coral reefs, volcanoes, cave systems, and more – All while trying to survive.

Other Games

Natural Selection 2 is a shooter / strategy hybrid game, featuring two unique playable sides and dynamic environments.

We released NS2 on Steam in October 2012, debuting at #1 on the top seller list. Since then we have released two major content updates: Gorgeous (Feb 2013) and Reinforced (Sep 2013).

NS blends first-person combat with real-time strategy. It features intense “marines vs. aliens” teamplay, where one marine can become “Commander” and leads players from a top-down perspective.

Natural Selection was released for free for owners of Half-life in 2002 and had 300,000 players and over 2 million downloads.

This game is the most relaxing and pleasant way to learn and play Sudoku. It features hand-painted backgrounds, lush ambient natural soundscapes and infinite puzzles. It is available for purchase on Steam for $4.95.


The Spark Engine is our very own in-house game-engine.

Decoda is a professional development environment for debugging Lua script in your applications. It was used to create the Lua game logic for Natural Selection 2, and was licensed to several major game developers. It is now open source and available on GitHub.


The San Francisco Postmortem is an informal game developer group that meets monthly to discuss game development. Join us!