The Callisto Protocol

Steam Player Count & Twitch Viewers / Streams

// updated just now

Steam Players

+4 // vs 7d ago

37 // 24 hr peak

Twitch Viewers

+16 // vs 7d ago

40 // 24 hr peak

Twitch Streams

+3 // vs 7d ago

8 // 24 hr peak

Top Stream 79%

The Callisto Protocol

Steam Player Count & Twitch Viewers / Streams // updated just now

GameTrnds.com

Steam Players

+4 // vs 7d ago

37 // 24 hr peak

Twitch Viewers

+16 // vs 7d ago

40 // 24 hr peak

Twitch Streams

+3 // vs 7d ago

8 // 24 hr peak

Date	Steam Players	Twitch Viewers
Jun 13	37	25
Jun 12	36	7
Jun 11	26	10
Jun 10	40	14
Jun 9	35	4
Jun 8	30	12
Jun 7	52	14

Summary

The Callisto Protocol currently has 19 live Twitch viewers across 4 active streams, with viewership up 16 compared to the same time last week.

On Steam, it currently has 37 concurrent players, up 4 compared to the same time last week.

Over the 6 months we've tracked it, The Callisto Protocol's Steam players peaked at 196 and Twitch viewers peaked at 883.

The Callisto Protocol monthly player & viewer history

Month	Steam Avg	Steam Peak	Twitch Avg	Twitch Peak
Jun 2026 month to date	35 ▼ -4	52	13 ▲ +1	155
May 2026	39 ▼ -2	60	12 ▼ -2	143
Apr 2026	41 ▼ -5	63	14 ▲ +3	883
Mar 2026	46 ▼ -10	60	11 ▼ -5	172
Feb 2026	56 ▼ -34	170	16 ▼ -10	137
Jan 2026	90 —	196	26 —	249

Monthly averages and peak concurrent Steam players and Twitch viewers, since we began tracking The Callisto Protocol.

About

In this narrative-driven, third-person survival horror game set 300 years in the future, the player will take on the role of Jacob Lee – a victim of fate thrown into Black Iron Prison, a maximum-security penitentiary located on Jupiter's moon, Callisto. When inmates begin to transform into monstrous creatures, the prison is thrown into chaos.

Genres

Shooter Adventure

Platforms

Xbox Series X|SPlayStation 4PC (Microsoft Windows)PlayStation 5Xbox One

Developer

Striking Distance Studios

Publisher

Krafton, Skybound Games

Release Date

December 2, 2022

Game Modes

Single player