Phoronix reports that Steam on Linux market share declined to 3.05% for September 2026, according to the latest Steam Survey results. This represents a drop from an all-time high of approximately 5.33% observed in March 2026. Following the March peak, usage had previously pulled back to around 4% before further decreasing to just above 3% for September. The figures indicate a contraction in the Linux gaming platform's user base over the past six months.