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