Here is the full list of all 33 X3: Terran Conflict achievements.
Complete the New Home Missions.
Help the Goner to rebuild and relocate their Temple.
Reactivate the final set of Hub gates.
Achieve the highest reputation with the main races.
Reunite the Aldrin colony with Earth.
Complete Operation Final Fury.
Destroy 1,000 Kha'ak and/or Xenon ships.
Complete the Treasure Hunt Campaign.
Pass the Flight School.
Earn 100,000 Credits with a police license.
Mine ten units of Nividium.
Achieve fight rank Professional.
Claim ten ships.
Build a complex with five factories.
Build a factory.
Achieve trade rank Wholesaler.
Force a pilot to eject a crate worth over 10,000 Credits.
Get one billion Credits in your account.
Complete the Aldrin Missions.
Acquire your personal Headquarters.
Achieve trade rank X-TREME.
Achieve fight rank X-TREME.
Visit all sectors. Unfocused jumps don't count.
Stun seven space flies at once.
Train five marines to five stars.
Board and take over ten capital ships.
Board and take over a Xenon Q.
Finish three campaigns in Dead-is-Dead mode.
Finish six campaigns in Dead-is-Dead mode.
Finish nine campaigns in Dead-is-Dead mode.
Finish the Balance of Power mission.
Destroy 20 ships with the Plasma Burst Generator.
Destroy a Solar Power Plant.