Here is the full list of all 29 The Story Goes On achievements.
Obtain the Dark Forest Page
Obtain the Desert Page
Find all items!
Whip 10 ghosts as Foster
Beat an entire floor as Gambit using only his special ability
I'll tell YOU when I've had enough!
Obtain the Snow Page
I've accepted my savior
Don't kill the Witch Boss when she turns into a snake
Spin the wildcard 40 times
Obtain the Spooky Page
Obtain the Forest Page
Hack and slash 1000 enemies!
have you ever wen't fest?
Unlock Gambit
...even though you've died 20 times...
Unlock Foster
Find 75% of items!
Unlock Sprout
Barely make it...
$ Dolla Dolla Bill $
Find 50% of items!
Find 25% of items!
The controls aren't that hard...
Obtain a sword upgrade in a hidden cave
Unlock your first boss room!
Start a run!
Cleared either the Dark Forest or the Void without taking damage
Obtain the Final Page