Here is the full list of all 51 South Park: The Stick of Truth trophies - there are 42 bronze, 5 silver, 3 gold and 1 platinum.
Collected all South Park™: The Stick of Truth™ trophies.
You found Jesus while playing as a Jew.
Gingers have bitten you 3 times without you blocking.
You defeated Princess Kenny while looking like David Hasselhoff.
You shat your pants during a boss battle.
You interrupted 5 channel attacks by using a fart.
In three separate battles, you've taken a shit in your pants.
You've let Kenny die in combat 10 times over the course of the game.
You've farted on animals 25 times.
You've farted on people 100 times.
You farted on four major authority figures.
You've farted on every buddy in the game.
Everyone in South Park is your friend.
You've farted on a dog while in gnome form.
You own all the weapons and costumes available in the game.
You've collected all of the available costumes.
You collected all of the Chinpokomon.
You've spent $500.
You sold 300 junk items.
You completed the game and never ended a battle with your buddy knocked out.
You completed the game without selling any items.
You defeated Princess Kenny in your girl makeover disguise.
You defeated Princess Kenny while living with Dire AIDS.
You knocked out 3 or more enemies with a single fart outside of battle.
You befriended both crab people and gnomes.
You defeated the High Jew Elf Kyle in battle.
Over the course of the game, you've scored 100 perfect attacks.
You defeated the Boss Hall Monitor while wearing freckles.
You defeated the Meth Tweekers while wearing the Evil Cartman goatee and bald cap.
You accepted your fate and chose the name Douchebag yourself.
You defeated Princess Kenny and recovered the Stick of Truth.
You have collected half of the available costume sets.
While inside Mr. Slave, you summoned Mr. Slave.
You opened all of the garages in South Park.
You defeated 20 enemies using Cartman's Ass.
You farted on the corpse of an aborted Nazi Zombie fetus.
You farted on 10 enemies in the world that were knocked out.
You befriended your father.
You watched your parents have sex for 60 seconds.
You defeated the Grand Wizard Cartman in battle.
You made friends with half of South Park.
You befriended the Goths, like everyone else playing this game.
You collected 15 Chinpokomon.
You completed your first day in South Park.
Over the course of the game, you've blocked 100 attacks.
You have joined the KKK.
You defeated 3 enemies in one battle while your buddy was knocked out.
You've unlocked all of the upgrades for a New Kid ability.
You successfully blocked every enemy attack in a single (non-tutorial) battle.
You collected 5 Chinpokomon.
You flung a turd of your own creation at an enemy.