Here is the full list of all 12 Crisis VRigade achievements.
Shoot a bonus weapon
Achieve a headshot in slow motion
Shoot a time bomb
Get into the bank hall
Shoot a terrorist in the head
Kill a partner
Shoot the weapon for the first time
Start the game 100 times
Complete game all hostages alive
Achieve a 1000 headshots
Complete game in Rookie mode
Complete game in Hell mode