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