There's a lot going on in The Callisto Protocol ending. Your journey through Black Iron prison has been hampered by setback after setback, but once you finally claw your way out of the depths, the plot is like a runaway train. So if you need the Callisto Protocol ending explained, have no fear - we've broken down those final moments, laying out the truth behind the biophage.
Specifically, our Callisto Protocol ending explained guide focuses on the latter half of 'Tower', the final chapter of one of the best horror games of 2022. Suffice it to say that there are major story spoilers below, so turn back now if you're not quite ready to uncover the secret at the heart of Callisto.
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