The PAYDAY Add-on for Goat Simulator has 18 achievements.
Place a Hogtied NPC on the train tracks.
Hogtie 50 NPCs.
Listen to the whole pan flute song.
Throw 5 police officers into prison.
Use a cannon to travel to the Island in the Sky.
Show off your vehicle air control skills in the desert.
Headbutt someone out of their car, then run them over!
Gather the crew for some drive-in movies.
Lick all crew members together to form a Goatipede.
Spray the dancers using Humphrey Ciabatta.
Charm a cow using Valentino Salami.
Use Dolph Spaghetti to lift a crewmember on top of the tallest building.
Find all the trophies on the Payday Level.
Win 3 hands at a Blackjack table.
Just finish that one LAST job.
A Trip to the Moon.
Wear 30 masks at once.
Enable the hydraulic cars.