Here is the full list of all 15 Best Friend Forever achievements.
Go on a date with every love interest.
Complete Astrid’s romance route.
Complete Robin’s romance route.
Reach Level 10 in your dog’s Manners trait.
Complete Felix’s romance route.
Reach Level 10 in your dog’s Smarts trait.
Complete Sacha’s romance route.
Reach Level 10 in your dog’s Sociability trait.
Reach Level 10 in your dog’s Trust trait.
Pat the dog a thousand times. You okay over there, buddy?
Become the valedictorian of your Paws Academy class.
Complete Anders’ romance route.
Reach Level 10 in your dog’s Fitness trait.
Adopt your first best friend forever.
Complete Maribel’s romance route.