The Callisto Protocol length – how long to beat

How long will it take to beat The Callisto Protocol? Here's what The Loadout found out about the survival-horror game from former Dead Space developers

The Callisto Protocol - Review Horror Minus the Scares - NookGaming

The Callisto Protocol's Late-Game Beta Paths Are Great for Replayability

Did You Buy The Callisto Protocol?

The Callisto Protocol review --- A gorgeous yet flawed entry in the horror genre — GAMINGTREND

Glen Schofield confirms The Callisto Protocol game length

Review of the Callisto Protocol, Is the Callisto Protocol Worth Buying?

Aftermath - The Callisto Protocol Guide - IGN

The Callisto Protocol: How Long to Beat & Complete

The Callisto Protocol - How Long to Beat the Game – SAMURAI GAMERS