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