Full list of all 41 The Godfather II achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Eliminate Hyman Roth.
Eliminate all five rival families.
Crack all safes.
Collect all level 2 and 3 firearm upgrades.
Control all crime rings.
Heist each bank once.
Eliminate four rival families.
Recruit a full family tree.
Earn one of each favor.
Kill Henry Mitchell.
Control all extortable businesses.
Eliminate three rival families.
Promote one of your made men to Underboss.
Kill 750 mobsters.
Unlock all safehouses.
Find a level 3 firearm upgrade.
Eliminate two rival families.
Control five crime rings.
Kill 500 mobsters.
Complete all execution styles.
Accept Tom Hagen as your Consigliere.
Control three crime rings.
Kill 250 mobsters.
Eliminate 5 made men with the appropriate kill condition.
Kill 150 mobsters only using firearms.
Send your men to attack a venue from the Don's View.
Promote one of your made men to Capo.
Eliminate a rival family by successfully bombing their compound.
Find a level 2 firearm upgrade.
Heist your first bank.
Kill 100 mobsters.
Kill 25 mobsters only using BlackHand attacks.
Crack five safes.
Control one crime ring.
Max out all guards at a venue.
Upgrade one of your made men's skills or weapons.
Complete 10 execution styles.
Kill 25 mobsters.
Send your men to bomb a venue from the Don's View.
Recruit your first soldier.
Create a mobster using MobFace.