The Hantu Port Add-on for HITMAN 2 has 7 achievements worth 150 gamerscore.
Complete all The Pen and the Sword Challenges.
Complete The Pen and the Sword as Silent Assassin.
Get a score above 1,000,000 points on The Pen and the Sword.
Complete The Pen and the Sword in Single Player.
Shoot and hit the forklift driving around in the far section of the harbor.
Shoot all buoys in the water.
Complete The Pen and the Sword in Multiplayer.