Here is the full list of all 24 Title_Pending achievements.
Print all of, wait, what?
Become Trapped in Speedrunner Hell
Cause Bankruptcy
Cover Yourself in Paint
Construct the Debug Glasses
RRRRRRRRRRRRRRRRRRRRRRR
you're winner!!
Have a hearty bowl of oatmeal
Destroy 10 Security Cameras
BACK TO THE VERY BEGINNING
Wait, there's Fall Damage?
Get Softlocked
Find a Vent Hideout
Complete the Cycle
Finish the Playtest
Complete the Game in the Fewest Restarts Possible
Meet Them
Play Too Fast
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