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