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