Here is the full list of all 26 Dead Maze achievements.
Complete 10 Adventures or Expeditions
Reach maximum quality for each type of clothing gear
Kill 20 infected Peruvians
Build 30 buildings
Find a roommate
Complete 30 daily missions
Reach level 100
Reach level 5 Threat
Complete 5 adventures or expeditions in maximum difficulty
Discover a treasure among an infected horde
Equip a protection kit
Party with other players
Trigger an elemental combo 30 times
Witness an emergency meeting
Reach level 30
Craft 30 items
Find out what's threatening Lakeview
Rescue another player 20 times
Blow up a cafeteria
Deal with the Outrunner with Jared
Complete the tutorial
Find a place to settle
Meet Jay
Find Egon
Reach level 10
Kill 5 infected only with the explosion of an unstable infected