The Minerva's Den Add-on for BioShock 2 Remastered has 8 achievements.
Escaped Minerva's Den
Wrested control of the Thinker from Reed Wahl
Reached Computer Core Access
Resolved all the Little Sisters in Minerva's Den
Destroyed all 10 Vacuum Bots in Minerva's Den
Reached Rapture Central Computing Operations
Kill a Lancer Big Daddy
Got 9999 points in one game of Spitfire