Here is the full list of all 42 The Godfather II trophies - there are 28 bronze, 9 silver, 4 gold and 1 platinum.
Act like a mobster, think like a Don.
Heist each bank once.
Crack all safes.
Collect all level 2 and level 3 firearm upgrades.
Heist your first bank.
Eliminate Hyman Roth.
Eliminate all five rival families.
Control all crime rings.
Control all extortable businesses.
Eliminate four rival families.
Find a level 3 firearm upgrade.
Kill Henry Mitchell.
Eliminate three rival families.
Earn one of each favor.
Recruit a full family tree.
Promote one of your men to Underboss.
Unlock all safehouses.
Control five crime rings.
Complete all execution styles.
Kill 750 mobsters.
Eliminate two rival families.
Control three crime rings.
Kill 500 Mobsters.
Accept Tom Hagen as your Consigliere.
Eliminate 5 made men with the appropriate kill condition.
Kill 250 mobsters.
Max out all guards at a venue.
Promote one of your made men to Capo.
Send your men to bomb a venue from the Don's View.
Kill 25 mobsters only using BlackHand attacks.
Eliminate a rival family by successfully bombing their compound.
Find a level 2 firearm upgrade.
Kill 150 mobsters only using firearms.
Crack five safes.
Kill 100 mobsters.
Upgrade one of your made men's skills or weapons.
Complete 10 execution styles.
Control one crime ring.
Send your men to attack a venue from the Don's View.
Kill 25 mobsters.
Recruit your first soldier.
Create a mobster using MobFace.