It is best known for developing adventure games with emphasis on narrative elements, including The Unfinished Swan (2012) and What Remains of Edith Finch (2017).

Prior to founding, Dallas originally had graduated from Yale University with a degree in film, moved to Los Angeles, and worked in writing for television, having written for Rock Me Baby, Spaceballs: The Animated Series, Drawn Together, and Help Me Help You.

He dropped out of school and formed Giant Sparrow, with a small office set up within the space of Sony's Santa Monica Studio in Los Angeles.

Originally it started as diving simulator, but grew to incorporate an anthology style inspired by The Twilight Zone and One Hundred Years of Solitude.

[4] A new game is in development, which Dallas described as a series of short stories focued on a field biologist and "the strangeness of organic life".