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