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