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