Casualties: Unknown Guide

... (Become Hollow) achievement

Last updated Unofficial fan guide

Steam description
Become Hollow
Players who have it
10.1%

How to unlock ... (Become Hollow)

Become Hollow by taking Mindwipe, or by using Braingrow while your brain is regenerating quickly.

It's number 19 of 40 by how many players have it (Steam global stats, November 15, 2026).

Related pages

Sources: Casualties: Unknown Wiki (Miraheze) · Steam Community

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