Here is the full list of all 20 Backstage Pass achievements.
Maxed out all stats.
Became a famous makeup artist.
Ended the year in the same place you began.
Ended the year with a 4.0 GPA.
Got the best end in Alvin's route.
Got the best end in Nicole's route.
Got the best end in Benito's friendship and romance routes.
Got the best end in Lloyd's route.
Filled Sian's cookbook with every cupcake recipe.
Got the best end in Adam's friendship and romance routes.
Dropped out of college.
Got the alone ending at least five times.
Bought every article of clothing.
Bought every item.
Ended the year with tons of money.
Got the best end in John's friendship and romance routes.
Got the best end in Matthew's friendship and romance routes.
Became an online celebrity.
Became a producer.
Unlocked every ending.