Here is the full list of all 24 Starcom: Nexus achievements.
Meet Commodore Price
Destroy all the asteroids in the Alpha Galaxy
Travel through a Warp Nexus
Collect ore from the Chitik Mining facility a second time
Help the Saurid find their missing survey team
Destroy the Chitik Hive
Find evidence of The Morningstar
Trade with another race
Explore the hidden ice lab
As least the geese were delicious
Visit the Lost Island
Solve the Watering Hole Maze
Gain access to Entarq's Citadel
Thank you for playing Starcom:Nexus!
Eliminate the Phage
Gain the Nyctian research bonus
Defeat the beast of the labyrinth