Here is the full list of all 17 Alum achievements.
Smoky-mountain maple mighty magic mac and cheese scented. Strange, yet satisfying.
You shared your rushlight with Pige.
You've reached chapter 4.
You've reached chapter 3.
You've received a rushlight.
You've reached chapter 2
You beat Colemin's Last Stand!
You have embarked on the journey of Alum.
You've reached chapter 5.
You've reached chapter 6.
You've reached chapter 7.
You beat the sniper sequence!
Congratulations! You beat the game!
Wow! You beat the game without using hints!
You beat Dashu's Last Stand!
Off with his head!
The office chair is an office chair.