The Jimmy's Vendetta Add-on for Mafia II has 10 achievements worth 250 gamerscore.
Drive a total of 1,000 miles in vehicles in "Jimmy's Vendetta."
Earn 1,000,000 points in "Jimmy's Vendetta."
Finish "Jimmy's Vendetta" on any difficulty level.
Kill 1,000 enemies in "Jimmy's Vendetta."
Destroy 100 vehicles in "Jimmy’s Vendetta."
Finish all Car Dealer missions in "Jimmy's Vendetta."
Kill 100 enemies by headshots in "Jimmy's Vendetta."
Kill your enemies in "Jimmy's Vendetta" with every weapon available in the game.
Achieve a 10x point multiplier in "Jimmy's Vendetta."
Complete your first mission in "Jimmy's Vendetta."