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