The HITMAN Legacy: Sapienza Add-on for HITMAN 2 has 7 achievements worth 90 gamerscore.
Complete World of Tomorrow.
Eliminate Silvio in therapy, down his plane with a cannon, and shoot him through the telescope.
Awaken the Kraken!
Complete all Mission Stories in World of Tomorrow.
Complete Level 5 of an Escalation Contract set in Sapienza.
Select a Starting Location and use an Agency Pickup to smuggle an item into Sapienza.
Reach Sapienza Mastery Level 20.