Here is the full list of all 19 Death Toll achievements.
Escape the island with all brief cases
Win a match without killing
Hop in a helicopter with 2 other team mates
Make a kill from a long distance
Destroy a vehicle
Run someone over
Pickup all 4 cases
Pickup a briefcase
No turning back now
Fly in a plane
Hop in a vehicle with a team mate
Join a team
Kill 100 players
Kill 200 players
Pop 25 tires
Die from your own doing
Get a motorcycle airborne for 5 seconds
Repair 25 vehicle parts
Complete the Intro