Just That Good
Complete the single player campaign on Hard mode.
25 
And It Continues
Complete the single player campaign on Normal mode.
25 
Backstory
Complete the co-op campaign.
25 
Revenge is Sweet
Defeat Cesar.
20 
Father Forgive Me…
Defeat the Priest.
20 
Scars From the Past
Defeat Cassandra.
15 
The Meating
Defeat the Butcher.
15 
Grindhouse
Perform 100 chainsaw kills.
15 
Mow 'Em Down
Take out 1000 enemies.
15 
Make a Name For Yourself
Take out 100 enemies.
10 
The Wrong Guy
Defeat El Raton
10 
Just Getting Started
Take out 20 enemies.
5