This document discusses Valve's financial performance in 2015. It states that according to SuperData, Valve's revenue was over $1.5 billion in 2015, with $400 million coming from first party sales and $1.1 billion from third party sales. The document estimates that Valve's revenue was at least $730 million after accounting for the cut it takes from third party sales, and notes that with around 100 employees, each employee generated approximately $7.3 million in revenue.