Here is the full list of all 40 Space Trader: Merchant Marine achievements.
Get rejected by each of the merchants on Earth.
Collect 8 Hydraulic Fluids on Earth.
Finish Chapter 5 of the campaign.
Pay off Auditor Horus to leave Ganymede.
Help Terra and Gordon Yex with the plans to poison the water supply.
Finish Chapter 2 of the campaign.
Pay the money you owe to Sally Barris.
Help XK-CD and the GREP with their problems.
Pay to gain access to Europa.
Find and retrieve Lieutenant Dan.
Fight the Ministry of Accounts off of Europa.
Defeat the Burners on Io.
Defeat Swashbuckler Pete.
Defeat Pirate Captain Odd.
Speak with each Merchant on the Luxury Ship.
Help Charles Dekord find passengers for his convoy.
Betray Gordon and Terra Yex after they ask you for help.
Help out Jara Lenn and the hostages in Power Station 780.
Meet and speak with Ted the Irresponsible Guard.
Break into the Records Depot and get what ERic Dans instructs you to get.
Help Dr. Bertram in the Deimos Gravity Research Station.
Accept the starter missions from each of the three factions at the same time.
Help XK-CD and his companions escape the inner solar system.
Convince Boel Krugger to leave without resorting to violence.
Eliminate Boel Krugger.
Help Peter Mikhail with his squeaky leg problem.
Complete the tutorial.
Max out your cargo slots in a challenge or in the campaign.
Complete Chapter 1 of the campaign.
Finish Chapter 3 of the campaign.
Finish Chapter 4 of the campaign.
Clear all bounties in Chapter 2.
Clear all bounties in Chapter 3.
Clear all bounties in Chapter 5.
Get a fugitive rating from the Ministry of Accounts in any chapter.
Finish Moon Madness with a net worth of $5,000,000 or more.
Finish Free Trade with a net worth of $10,000,000 or more.
Finish Red Eye Trader with a net worth of $50,000,000 or more.
Rescue Reg Huxley aboard the salvaged ship.
Help Robert Tritex with his water development project.