Here is the full list of all 11 STARDROP achievements.
Collect 50 DataPads in the game
Complete Chapter 4.
Complete Chapter 3.
Complete Chapter 2.
Find the secret back-room aboard the SD-01.
Complete Chapter 1.
Give Rascal some food.
Pick up John's DataPad.
Change into your APD suit.
Find and pick up this Easter Egg from "Play With Gilbert".
Read John's secret Email to Aryn.