X2
X2 combo with any weapon
Unabomber
X3 combo with molotov/grenade
Dirty Harry
X4 combo with revolver
Don't stop
X9 combo with continuous ricochet
Killer
Kill 1000 enemies with any weapon
One for the road
Kill 25 enemies with single ricochet
Two birds with one stone
Kill 50 enemies with splitting ricochet
Please stop
Kill 100 enemies with continuous ricochet
Paci populorum sospitae
Kill Scarred Ciro at Porta Ticinese
Flying africana
Kill Africana on the Pirellone
Altar in blood
Kill Torinese in the Duomo
5PM
SSnake
Kill 25 enemies with a stealth attack
Maximus Decimus Meridius
Score 10.000 or more in Arena mode
Don't touch me, bitch!
Complete level 1 without dying
Streetcar on time
Complete level 2 without dying
Spritz for all
Complete level 3 without dying
Piero come home
Complete level 4 without dying
Save a prayer
Complete level 5 without dying
Hotline Milan
Complete level 6 without dying
For whom the bell tolls
Complete level 7 without dying
DDragon
Play with a friend
Samurai
Kill 100 enemies with knife
Dr. Gruber's foot care
Destroy 400 windows in Pirellone
Sentenza
Kill six enemies in rapid succession using a revolver
The bastard
The traitor
Piece of cake
Complete the game in normal mode
Come get some
Complete the game in hard mode
Damn I'm good
Complete the game in hardcore mode
Rest in shit
Prince of Bovisa
Score 50.000 or more in Arena mode
King of Navigli
Score 100.000 or more in Arena mode
Years of lead
Kill Shining Giacomo in San Vittore penitentiary