Here is the full list of all 51 Space Rangers: Quest achievements.
Complete the tutorial
Complete the game having docked at stations no more than 20 times
Scan 100 systems
Perform 300 hyperjumps
Find the first messenger
Find the second messenger
Find the third messenger
Find the fourth messenger
Find the fifth messenger
Finish what you started
Complete 20 different text quests
Complete the same text quest 10 times
Win 20 space battles
Repair your ship at a station 50 times
Use a teleportation device
Complete all text quests available on the map within one game
Find out what the future holds for the rangers
Use a rare artifact to earn yourself maximum profit
Complete the game having scanned no more than 10 systems
Upgrade your engine and hull to their maximum levels
Buy 1000 fuel
Complete the game having started as a warrior
Complete the game having started as a merchant
Complete the game having started as a pirate
Earn 100,000 cr.
Lose 20% of your capital or more in one event
Find a fork in the Prison quest
Win a roach race in the Prison quest
Use a circular saw in the Edelweiss quest
In the Election quest, prepare a 90% cynical campaign
Complete the final quest of the game on your first try
Complete the game without upgrading your ship
Buy maps for all sectors
Scan all systems
Visit all systems
Escape through the tunnel in the Prison quest
Distract the spider with a piece of bread or a sandwich in the Ranger's Bad Day quest
Return the lost dress to its owner in the Ranger's Bad Day quest
Place explosives inside the restroom in the Borzukhan quest
Don't pay back your loan for 1000 days
Swear at the collector who calls you
Perform 3 hyperjumps into different systems without refuelling
Lose everything at cards in the Ministry quest
Prepare the Coriander cocktail in the Banquet quest
Offer alcohol to the doppelganger in the Ranger's Bad Day quest
Collapse the cave walls in the Borzukhan quest
Impress the listeners with your music in the Music Festival quest
Blow up the safe in the Driver quest
Gain the votes of at least 90% of the Maloqs in the Election quest
Give the ear-legged sibolusopht a double dose of anesthesia
Successfully escape enforcement officers 10 times