Casualties: Unknown Guide

Millions to One achievement

Last updated Unofficial fan guide

Spoiler warning: this is a hidden achievement tied to late-game content.

Steam description
Obtain the cargo.
Players who have it
11.8%

How to unlock Millions to One

Pick up the cargo at the bottom of layer 10 (not in an Endless run).

It's number 14 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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