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No Damage Run Voyage

Sunday, October 18, 2026

How to Master a No Damage Run in The Callisto Protocol on Hardcore Difficulty

When I first loaded up The Callisto Protocol on Maximum Security, I thought I understood what I was getting into. I had played through it once on medium difficulty, died a handful of times, and figured the jump to hardcore would just mean spongier enemies and tighter healing windows. I was wrong. Hardcore difficulty in this game rewrites the rules of engagement. One slip against a Biophage means a reload. Two hits in a row from a GRP guard and you are watching the death anim

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