Here is the full list of all 30 Hellbreach: Vegas achievements.
Earn 50000 Points
Melee Kill 100 Enemies
Melee Kill 50 Enemies
Melee Kill 20 Enemies
Kill 100 Enemies
Kill 50 Enemies
Player 10 Rounds
Player 50 Rounds
Player 100 Rounds
Player 1000 Rounds
Earn 100000 Points
Earn 500000 Points
Earn 1000000 Points
Kill 1 Boss
Kill 10 Bosses
Kill 100 Bosses
Kill 500 Enemies
Kill 1000 Enemies
Kill 5000 Enemies
Melee Kill 500 Enemies
Get 100 Headshots
Get 250 Headshots
Get 500 Headshots
Get 1000 Headshots
Build 100 Barricades
Build 250 Barricades
Build 1000 Barricades
Survive 10 Rounds On Easy
Survive 15 Rounds On Medium
Survive 20 Rounds On Hard