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