The Guns, Love, and Tentacles Add-on for Borderlands 3 has 8 achievements worth 250 gamerscore.
Find and kill all 4 rare spawns.
Complete all Crew Challenges and Side Missions on Xylourgos.
Collect all ECHO logs on Xylourgos.
Marry your friends.
Listen to 25 fish jokes.
Watch Deathtrap kill 50 enemies.
Kill the Wendigo.
Find the party.