Full list of all 60 Omerta: City of Gangsters achievements worth 1,250 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there is 1 DLC packs containing 10 achievements worth 250 Gamerscore.
Complete the "Welcome to Atlantic City" mission
Complete Act 1
Complete Act 2
Finish the game
Inflict 100 damage or more to an enemy with a single attack
Win a combat encounter with 4 party members above 75% health
Win a combat encounter with 4 party members at full health
Win a combat encounter with 4 characters in your party wielding melee weapons
Hit 5 characters with an area attack
Kill an enemy at full health with a single attack
Win a combat encounter with three incapacitated gang members at the end
Hit with an attack that has 5% hit chance
Miss with an attack that has 95% hit chance.
Kill 3 enemies with a single attack
Hit an enemy with a grenade
Shove an enemy within the area of a fire bomb
Damage 2 enemies with a single bat attack
Intimidate a panicked enemy
Bandage an incapacitated character
Remove 2 negative conditions with First Aid
Damage an enemy with a booby trap
Use Rage 3 times with the same character in a single battle
Hit 3 different enemies in the same turn with knuckles
Hit an enemy with the Slice and Dice knife attacks in the same turn
Kill 2 enemies in the same turn with a pistol
Destroy 4 cover objects with a single shotgun attack
Kill an enemy with a revolver retaliation shot
Hit 3 vulnerable enemies with a single Tommy Gun attack
Have a building at 200% efficiency
Stockpile 200 Firearms
Launder $10,000 Dirty Money in a single mission
Complete 5 Jobs in a single mission
Complete 15 Jobs in a single mission
Own 10 businesses at the same time
Buy out an independent business
Have a team of 6 gangsters in the campaign
Gain 100 Feared Rating
Gain 100 Liked Rating
Unlock 15 gang members
Frame another criminal during a police investigation
Purchase a Unique Weapon in the Campaign
Purchase 13 unique Weapons in the Campaign
Burn 3 buildings in a single mission
Have a gang member with 200 or more health.
Have a gang member with 20 or more Base Movement Points.
Have a gang member with 16 or more Base Action Points
Have a gang member with 20 or more Critical Chance.
Win a Competitive multiplayer mission.
Win a Cooperative multiplayer mission.
Win 25 multiplayer missions
Set 5 enemies on fire with a Flamethrower in a single turn
Interrupt and hit 3 different enemies with a Machine Gun in the same battle
Hit 3 times with a single Rose Petals Katana attack
Have 6 gang members with sports cars
Defeat a rival gang within 10 minutes
Have a fully upgraded Hideout
Complete the "Japanese Incentive" Act 1
Complete the "Japanese Incentive" Act 2
Complete the "Japanese Incentive" Act 3
Complete the "Japanese Incentive" Act 4