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