Here is the full list of all 10 Five Nights at Freddy's 2 trophies - there are 3 bronze, 6 silver and 1 gold.
Survive the 1st night.
Survive the 2nd night.
Survive the 3rd night.
Survive the 4th night.
Survive the 5th night.
Survive the 6th night.
Complete the custom night with all AIs set to 20.
Play all the minigames.
Keep the music box wound above 50% for all of night 4.
Experience a jumpscare, and then... something more.