Here is the full list of all 24 Schacht achievements.
Play 42 different random seeds. Don't worry, you will be done in year 10000.
Complete 30 random levels without going back to the Main Menu.
Beat someones Highscore.
Dash and fall for 4 seconds or longer without grappling or landing.
Restart the same Seed more than 20 times.
Play all Tutorial Levels in succession without dying or restarting.
Complete the EMP Level in less than 65 seconds.
Complete all Tutorial Levels in succession in less than 3 Minutes and 15 seconds without dying or restarting.
Complete the Grapple Level in less than 30 seconds.
Complete the Wallrun Level in less than 45 seconds.
Complete the Dash Level in less than 45 seconds.
Be in the Top 20% of the Daily, Weekly and Monthly at the same time.
Play a random seed, no one has ever played before.
Complete any random seed in less than 50 seconds.
Complete a Random, Daily, Weekly or Monthly Challenge for the first time.
Set a Highscore on the Daily, Weekly and Monthly at the same time.
Knock somebody off from rank 1.
Complete any random seed in less than 60 seconds.
Activate 15 checkpoints in one endless run.
Grapple on 5 different Grapple Points without landing.
Complete all Tutorial Levels.
Customize your character.
Dash 148 Times.