Here is the full list of all 16 Who Run The City: Multiplayer achievements.
Win a game as a gangster
Win a game as a police man
Collect one weed
Sell one box of weed
Find the money bag
Get 5 kills in one round
Get 10 kills in one round
Get 15 kills in one round
Get 20 kills in one round
Win a round in 5 minutes or less
Win a round in 10 minutes or less
Win a round in 15 minutes or less
Win a round in 20 minutes or less
Take the money bag to the G's van
Rob the first car
Take the money bag to the police van