Infection Free Zone achievements

Survive 50 days in a single location

Gather 200 survivors at once

Survive 24 consecutive days without building walls

Kill 100 infected by running them over

Kill 100 infected with melee weapons

Kill 1000 infected

Accept 10 groups of immigrants

Find a prepper fallout shelter

Save the raiders

Build an antenna

Every type of vehicle operated

Deny 10 groups of immigrants