Achievements are things that the game rewards you for doing different tasks. These tasks vary from leveling a mining laser to level three or winning a certain amount of PVP matches, et cetera, et cetera.
the rewards you obtain from achievements will vary. Common rewards award you with things like starbux, or normal currency in-game (gas or minerals). You may also receive a pin from an achievement, this pin may be equipped by your character. It appears whilst your character is in a dialogue bubble and can be seen externally in game.
Along with the achievements are certain unlockable pins, displayed next to the player's username in places like the chat. Some of them include:
|Qtarian Constituent||Join the Qtarian in to collect valuable resources across|
|Driller [x]||Upgrade to a level [y] Mining Facility|
|Basic Economy [x]||Upgrade to a level [y] Gas Collector|
|Full House [x]||Have [y] crews manning your vessel.|
|Deep Space Miner [x]||Upgrade to a level [y] Mining Storage|