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