Here is the full list of all 101 Yet Another Zombie Survivors achievements.
Walk 5 kilometres in total with your feet on fire
Complete a run in default mode without dealing any elemental damage
Survive the night with the Pyro as the team leader
Unlock the third rank for the Pyro
Reach team level 100 in the current run
Reach team level 75 in the current run
Deal a total of 1,000,000 chemical damage in a single run
Deal a total of 1,000,000 fire damage in a single run
Unlock the second rank for the Pyro
Reach 250% in the Movement Speed stat
Deal a total of 1,000,000 ice damage in a single run
Unlock the Pyro
In a single run, get hit by the Worm 5 times and survive
Use lockdown, banish, and reroll options on the same selection screen
Deal at least 1,500 damage with a single attack
Deal a total of 1,000,000 electric damage in a single run
In a single run, evolve three different weapons into their third tier forms
Gain a legendary tier passive powerup
Survive 5 minutes of the One Hit mode in the Vile Wastelands
Complete a solo run in Hardcore mode with just the team leader
Survive 5 minutes of the One Hit mode in the Isolated City
Survive 20 minutes without using any abilities
Survive 20 minutes without upgrading any weapons
Survive 10 minutes of the Boss Rush mode in the Vile Wastelands
Survive 10 minutes of the Boss Rush mode in the Isolated City
Reach team level 50 in the current run
Obtain a Potato
Reach team level 25 in the current run
Find Sanji the Rabbit
Survive a Hardcore run without any healing items nor abilitites
Survive 30 minutes on Endless Mode in the Vile Wasteland
Feed the Undead Worm with 500 zombies
Survive a Hardcore mode run in the Vile Wasteland
Respec your mercenaries
Unlock the third rank for the Medic
Survive 20 minutes on Endless Mode in the Vile Wasteland
Use a trap to lure a zombie... into a trap!
Unlock the third rank for the Engineer
Survive 30 minutes on Endless Mode in The Isolated City
Survive 10 minutes on Endless Mode in the Vile Wasteland
Unlock the third rank for the Ghost
Survive until dawn in the Vile Wasteland
Survive the Hardcore version of The Isolated City
Unlock the third rank for the Huntress
Survive the night with the Ghost as the team leader
Survive until dawn while having exactly one item
Unlock the third rank for the Tank
Survive 20 minutes on Endless Mode in The Isolated City
Stress-test the ragdoll physics
Fend off a mummy attack with deadly efficiency
Survive the night with the Huntress as the team leader
Complete a solo run in default mode with just the team leader
Survive 10 minutes without upgrading any weapons.
Survive 10 minutes without using any abilities
Blow up a zombie after it was blown up into the air
Survive a minute while having 10% or less of your total health points
Survive the night with the SWAT as the team leader
Complete a run in default mode with exactly two survivors
Survive the night with the Tank as the team leader
Unlock the second rank for the Tank
Survive the night with the Medic as the team leader
Cause enemies to kill 150 of their allies in the same run
Exterminate a boss with the help of another boss
Unlock the second rank for the Medic
Unlock the second rank for the Ghost
Kill The Witch before she's able to send her minions at you
Unlock the Medic
Survive 10 minutes on Endless Mode in The Isolated City
Unlock the second rank for the Huntress
Equip 3 copies of the same item
In default mode, liberate 6 survivors in a row
Kill a zombie... by leveling up?
Be the witness of a new dawn
Survive the night with the Engineer as the team leader
Unlock the Ghost
Unlock the second rank for the Engineer
Unlock the third rank for the SWAT
Level up a skill to its maximum value
Unlock the Huntress
Unlock the second rank for the SWAT
Get eaten by the undead
Equip 5 items in a single run
Use abilities 50 times in a single run in default mode
Have 5 abilities active at the same time
Show them some love for a change
Lead a full squad of survivors
Deal over 9,000 damage within 5 seconds
Equip an item
Annihilate all enemies in the Extermination mode in the Green Hell
In Extermination Mode, recruit your first survivor after completing at least 10 waves
Survive until dawn in the Green Hell
Survive for 30 minutes in Endless Mode with just the team leader
Finish the wave of an Extermination game mode from a microsecond to up to 20 seconds
Survive a Hardcore mode run in the Green Hell
Survive 30 minutes on Endless Mode in the Green Hell
Survive a One Hit mode run in the Green Hell
Survive 20 minutes on Endless Mode in the Green Hell
Complete an Extermination Mode run with just the team leader
Stay inside a puddle for at least 7.8 seconds
Survive 10 minutes on Endless Mode in the Green Hell
Unlock a total of 50 items