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