It was founded in October 1995 by four programmers formerly of Sculptured Software, including John Blackburn, who is chief executive officer.

The four were interested in joining Saffire, which was seeking programmers for an upcoming project, but did not want to commute to the company's offices in Pleasant Grove.

[8] Many former Avalanche workers were hired by castAR to create a new studio in Salt Lake City.

[10] In February 2021, game director Troy Leavitt received backlash for his social media posts that supported cultural appropriation and Gamergate.

The game was officially announced as part of the PlayStation 5 Showcase on September 16, 2020 and was subsequently named "Star of the Evening" by the daily newspaper Die Welt.