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