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