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