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