The Guns, Love, and Tentacles Add-on for Borderlands 3 has 8 achievements worth 250 gamerscore.
Achievements they've won
Achievements they've not won
Find and kill all 4 rare spawns.
Complete all Crew Challenges and Side Missions on Xylourgos.
Listen to 25 fish jokes.
Marry your friends.
Collect all ECHO logs on Xylourgos.
Watch Deathtrap kill 50 enemies.
Kill the Wendigo.
Find the party.