Here is the full list of all 66 Move or Die achievements.
Finish a match with the towers forming a stairway
Play a round of each game mode
Win during sudden death
In “Bomb Tag”, pass the bomb right before it explodes
Pick two mutators in the same match.
Kill a player with his own chainsaw in "Chainsaw Backstab"
Get your ass handed to you by the AI Bots
Pass the bomb 200 times in “Bomb Tag”
Run 30.000 Steps in "Speed Run"
Last 25 seconds in “Falling Blocks”
Paint 4000 tiles in “Color Craze”
Chomp down 50 candies in “Sugar Rush”
Eat a candy right when it spawns in “Sugar Rush”
Finish a round of “Color Craze” without any tile of your color
In a 4 player “Sugar Rush” match, be the only one to eat a candy
Set up a LAN game with 3 other friends
Win an online match where your score is greater than the sum of all the other players
Kill 3 players with a single scream in “Ghost Scare”
Get a kill from the other side of the level in “Jump Shot”
Push everybody around in a “Falling Blocks” game
Wear the hat for 100 seconds in “Hat Chase”
Shoot 100 bullets in “Jump Shot”
Scare 50 players in “Ghost Scare”
Grab the hat 5 times in a “Hat Chase” game
In “Jump Shot” shoot an enemy bullet with your own bullet
Fizzle 200 tiles in "Fizzle Floor"
Climb 300 platforms in "Vertigo"
Clash your chainsaw 80 times in "Chainsaw Backstab"
Clean up 100 splatters in "Cleanup Crew"
Detonate 30 rockets in "Rocket Run"
Reach the finish line in "Speed Run"
Climb 50 rows in a single round of "Vertigo"
Clean up more than half the surface in "Cleanup Crew"
Kill 3 players with the rocket explosion while it’s targeting you in "Rocket Run"
Win a round of "Fizzle Floor" after all the tiles have disappeared
Win a round of "Color Craze" with more tiles than the other players combined
Publish a mod in the Steam Workshop
Jump over the ball in "Spike Ball"
Jump and land on a safe patch of ground at the very last second in "Shifty Ground"
Kill yourself with your own bullet in "Heavy Bullets"
Toggle "Ready/Not Ready" in an online lobby 1000 times.
Create 7 static orbs in one round of “Static Bounce”
Shoot 100 bullets in "Heavy Bullets"
Bounce the ball 500 times against the walls in "Spike Ball".
Survive until there are over 150 bullets on screen in a round of “Super Hot”
Have the ground shift to death tiles 70 times in "Shifty Ground".
Escape a bomb that’s as big as the entire level in “Detonation Zone”
Build 200 tiles in total in "Building Blocks"
Be responsible for the creation of 100 orbs in total in "Static Bounce"
Drop 100 bombs in total in "Detonation Zone"
Influence the speed of 100 bullets in total in "Super Hot"
Survive 30 seconds of stairway building fun in “Building Blocks”