Here is the full list of all 39 Imagine Lifetimes achievements.
You wallowed in nothingness.
You unlocked the meaning of life.
You entered an alternate reality.
You have earned yourself a clean slate.
You went missing.
You embraced your reality.
You reached your terminal velocity.
You barely lifted a finger.
You prevented this ending.
You chose not to make a choice.
You completed the circle of life.
You consumed the world.
You found out the struggle is real.
You survived.
You collected a lot of purpose.
You did it yourself.
You questioned your reality.
You pretended to be in control.
You broke the pencil.
You entered the door on your left.
You changed every channel.
You deleted your marriage.
You got away with it.
You pinched the pennies.
You successfully died of old age.
You retired from a life of crime.
You were struck by lightning.
You recognized your insignificance.
You crossed the line.
You were never forgotten.
You ran out of health.
You got comfortable.
You took a risk.
You triggered the apocalypse.
You endured the tutorial.
You created a game within a game.
You unlocked your imagination.
You perished in pursuit of perfection.
You were born.