Here is the full list of all 17 Project Starship achievements.
Get to level 5 in Hardcore mode
It will never end
Boss rush
God is dead!
Ok, that’s a reference!
This Cthulhu is bigger!
With the Devil
He is waiting for you!
Even death may die!
Extra life? Extra troubles!
Do not worry, It will be worst!
He has something to say!
Get your P to 10
Shields! More shields!
Die 5 times in a row
Kill 100 enemies in a game
Kill God In a Boss Rush