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