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