Here is the full list of all 16 Deep Space Shooter achievements.
Survive for 5 minutes
Survive for 1 minute
Survive for 2 minutes
Survive for 3 minutes
Kill the last boss and comlete the game
Kill eleventh boss
Kill tenth boss
Kill ninth boss
Kill eighth boss
Kill seventh boss
Kill sixth boss
Kill fifth boss
Kill fourth boss
Kill third boss
Kill second boss
Kill first boss