The Episode Two: Sapienza Add-on for HITMAN has 7 achievements worth 150 gamerscore.
Complete World of Tomorrow.
Eliminate Silvio during therapy, down his plane with a cannon and shoot him through the telescope.
Awaken the Kraken!
Complete all Opportunities 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.