The HITMAN 2 Standard Add-on for HITMAN 3 has 13 achievements.
Complete Nightcall.
Reach Hawke's Bay Mastery Level 5.
Complete The Finish Line.
Complete Three-Headed Serpent.
Complete Chasing a Ghost.
Complete Another Life.
Complete The Ark Society.
Reach Miami Mastery Level 20.
Reach Santa Fortuna Mastery Level 20.
Reach Mumbai Mastery Level 20.
Reach Whittleton Creek Mastery Level 20.
Reach Isle of Sgàil Mastery Level 20.
Complete The Last Yardbird as Silent Assassin.