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