Sensor Tower: 76 games passed 500,000 first-month sales in 2025-26
Indie studios accounted for 20 of the 21 additional early hits, and their share of first-month 500,000-copy sellers rose from 24% to 43%.
Sensor Tower reported that 76 games released on PlayStation, Steam and Xbox between September 2025 and August 2026 sold more than 500,000 paid copies in their first 30 days, according to gamemeca.com. That is 21 more titles than the 55 recorded in the previous period, from September 2024 to August 2025.
Combined first-month sales for those titles reached 182.4 million copies, up 51% year over year. Indie developers accounted for 20 of the 21 additional early hits.
The number of indie titles passing the 500,000 mark in their first month rose from 13 to 33, lifting their share of the total from 24% to 43%. Their first-month sales grew 119%, from 31.9 million to 69.9 million copies.
Co-op and sequels drive the increase
So-called “friendslop” co-op and party games rose from 5 to 9 releases and from 19.2 million to 32.3 million first-month copies. Mecha Chameleon sold 13.3 million copies in its first 30 days, second only to Battlefield 6 among new releases.
New indie IP releases rose from 7 to 18, with sales growing from 11.2 million to 22.9 million copies. Indie sequels such as Slay the Spire 2 and Hollow Knight: Silksong lifted that segment from 1.4 million to 14.7 million copies.
Quick answers
How many games sold over 500,000 copies in their first 30 days between September 2025 and August 2026?
76 games on PlayStation, Steam and Xbox, up from 55 in the previous period.
How much did those first-month sales total?
182.4 million copies combined, a 51% year-over-year increase.
Which new release sold the most in its first 30 days besides Battlefield 6?
Mecha Chameleon, with 13.3 million copies.