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