Here is the full list of all 90 1 Screen Platformer achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Complete
Checkpoint 14
Checkpoint 13
Checkpoint 12
Checkpoint 11
Checkpoint 10
Checkpoint 9
Checkpoint 8
Checkpoint 7
Checkpoint 6
Checkpoint 5
Checkpoint 4
Checkpoint 3
Checkpoint 2
Checkpoint 1