Here is the full list of all 52 Starpoint Gemini 2 achievements.
Kill all heroes
Explore the entire Gemini system
Gather all artefacts
Mine 500 asteroids
Visit all Gemini planets
Finish the storyline
Destroy a station
Purchase 15 different ships
Destroy 10 Empire Ships
Buy a shipment of meat and Hogwash and then fly into the suns till your ship almost pops
Win a battle against 3 or more enemies without attacking them
Launch at least 20 missiles in a single battle
Do 20 successful smuggling runs on planets
Provoke non-hostile ships 10 times
Successfully raid an Off-world Prison with your Troops
Destroy an enemy by colliding with them
Deal 500000 damage points with beam weapons
Destroy 15 veterans
Control 2 mercenary ships and 3 fighter squadrons at the same time
Destroy an enemy after your ships is destroyed
Destroy an enemy using only heavy weapons
Stay cloaked and undetected for 5 minutes
Operate a massive carrier
Deal 500000 damage points with plasma cannons
Enhance all ship systems on a single ship
Accumulate 10 million Credits
Capture a ship
Take 5 times the amount of your hull integrity in damage during a single battle
Destroy 100 asteroids by colliding with them
Destroy an enemy that destroyed one of your wingmen within a 5 second interval
Travel via Power to Engines for at least 10 minutes
Destroy an enemy using only one turret
Deal 500000 damage points with railguns
Exceed the maximum engine speed
Get destroyed while cloaked
Save an ally with 10% or less health by destroying his attacker
Use T-Drive
Destroy 3 ships within an interval of 15 seconds
Destroy 100 ships
Destroy a freightliner
Jump through a wormhole
Win a battle with less than 5% hull points remaining
Explode in a collision with an asteroid
Deal 50 critical hits
Solve 20 freelance missions
Collide with a planet
Destroy an enemy without locking on it
Destroy an enemy while he's charging Power to Engines
Destroy an enemy with full shields and hull in less than 3 seconds
Read all tutorials
Destroy an enemy with a turret while facing away from it
Loot a derelict