The Callisto Protocol™ player count & concurrent players
The Callisto Protocol™ had 115 concurrent players on Steam at our latest reading (read Sep 27, 2026, 15:00 UTC). The highest count we have observed is 153, on Jul 19, 2026, across 75 daily readings. Over the last 7 days the average reading was 74, up 1% on the 7 days before.
The Callisto Protocol™: revenue, reviews and statsPrice history
Latest reading
115
read Sep 27, 2026, 15:00 UTC
Observed peak
153
highest of our readings, Jul 19, 2026
7-day trend
+1%
average 74 vs 74 the 7 days before
30-day trend
—
readings at different hours; not compared
Trends
Historical charts
Players115
15333128.79357.3
Jul '26Aug '26Aug '26Sep '26Sep '26
Concurrent players on Steam, one reading a day at about 15:00 UTC since Aug 13, 2026. Before then readings were taken at different times of day, spanning 21 hours, and Steam concurrency runs about 1.8x higher at its daily high than at its low — so some of the movement across that stretch is the clock, not the game.