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