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