Here is the full list of all 24 Title_Pending achievements.
Complete the Cycle
Complete the Game in the Fewest Restarts Possible
Finish the Playtest
Meet Them
Cause Bankruptcy
Print all of, wait, what?
Become Trapped in Speedrunner Hell
Play Too Fast
BACK TO THE VERY BEGINNING
you're winner!!
Get Softlocked
Construct the Debug Glasses
RRRRRRRRRRRRRRRRRRRRRRR
Cover Yourself in Paint
Wait, there's Fall Damage?
Have a hearty bowl of oatmeal
Find a Vent Hideout
Destroy 10 Security Cameras
Skip the Entirety of Level 2
Purchase 200 Stanton Sodas
What a convenient time for a Hammer!
Escape Level 1 (for now)
Please Behave Yourself
Do it Again