Here is the full list of all 38 Just Get Through achievements.
Find the rare rainbow colorpalette
Complete every daily run of one week
Collect 20 damaged color palettes!
At least almost complete
Ignite over 100 torches
This was hardcore...
Complete an advanced level with only one hp left
Destroy a falling wall using your head
Ouch...
I am hardcore
Reach level 50 in a classic game mode
Reach level 45 in a classic run
Reach level 40 in a classic run
Defuse a bear trap by throwing TNT at it
Beat a rocket bot at their own game
Reach level 35 in a classic run
Reach level 30 in a classic run
Waste 24 hours of your life
Activate 200 checkpoints
Destroy more than 500 walls in total
Reach level 15 without using TNT
Reach level 10 in classic mode without dying once
Two hours of permanent dying
Have over 1000 Coins in one Coin Run
Collect over 20 HP Items in one run
Better be quick and use this flare for a few additonal pitch-black levels
Publish an amazing custom level
So random
Nope, there is none. At least not here...
Trigger a mine by throwing TNT at it
From now on your life will be tough.
This was not the exit
Reach level 12 without picking up any items
Play and win more than 10 different global custom levels
Try some new colorpalettes
Don't crash the game!
Slowly and carefully walking to the exit
Find a colorpalette