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