Here is the full list of all 31 Shotgun Farmers trophies - there are 11 bronze, 14 silver, 5 gold and 1 platinum.
You have mastered all that it takes to be a Shotgun Farmer
Get 500 Peavolver Kills
Get 150 Moolotov Kill
Get 500 Sniperagus Rifle Kills
Jump across the traffic cones on Roadside without touching the ground
Get 150 Strawbowry kills
Get 500 Chilithrower Kills
Get 150 PK2 Kills
Get 150 WatermeLMG kills
Get 500 M6Bean kills
Steal 100 Gnomes
Get 500 Gromato Launcher Kills
Get 500 Carrocket Launcher Kills
Get 1000 Shovel Kills
Get 1000 Shotgun Kills
Score all the points in a Capture The Pig match
Do your first rocket jump
Kill 5 enemy farmers using a Bombkin
Hold on to the chicken for all 200 points during a match
Survive 50 consecutive waves in Horde Mode
Survive 30 consecutive waves in Horde Mode
Honk the horn of a tractor
Survive your first wave in Horde Mode
Find out why horses don't like guns
Ride a pig from the other team pen back to your team's pen without getting off
Get a kill using the Sniperagus Rifle without using the scope
Kill 3 farmers in a row
Score at least 10,000 points in a match
Score at least 15,000 points in a match
Get the first kill in a match
Harvest your first plant