Here is the guide to the Frostpunk 2 Unstoppable Progress achievement! To get this achievement, you have to push the development of technology and cities in the game. Keep exploring new areas, continue to invest resources, and overcome many difficulties. Always pay attention to development trends and follow this guide to achieve unstoppable progress!

Unstoppable Progress Achievement Guide

The achievement requires maintaining a "no dirt" sanitation state despite a material requirement of 1000, or having a material requirement of at least 1000 and no slums.

If you want to build a material colony to supply most of your needs, and build filtration towers to handle the excess slums from other sources. Avoid letting the Technicians take power, as they will reduce material requirements.