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