The Downpour Add-on for Rain World has 13 achievements.
A final charitable act
You have found another way out
You return from scouting a new land
The consequences of your journey have caught up with you
Fates have been flipped
You have delivered your most important message
Everything comes full circle
You completed every challenge laid before you
You completed every expedition laid before you
Path of self-sacrifice
Great strides have been made
Listened to the conflation of echoes
Followed your parental instincts