Here is the full list of all 140 Sector Six achievements.
Complete arena mission
Install relic
Complete a mission in the Core
Destroy veteran
Use amplifier to upgrade part
Complete a mission in Labyrinth
Complete mission 3
Complete resurrection mission
Install mythical part
Enter secured area
Install fractal part
Secure an area
Complete time attack mission
Complete kill mission
Complete a mission in Negati
Complete mission 2
Find part by destroying ruins
Name your ship
Complete a mission in Deep Path
Complete mission 1
Destroy 1000 swarmlings
Complete boss mission
Enter phase
Demolish 500 ruins
Install etalon
Reach level 10
Reach level 20
Reach level 30
Reach level 40
Reach level 50
Destroy 30 bosses
Finish a mission with 1% armour left and an empty alloy container
Trigger sacrificial alloy container ability
Trigger eternal alloy container ability
Trigger ancient alloy container ability
Trigger unstable alloy container ability
Trigger transient alloy container ability
Complete a mission in Venerion
Complete a mission in Wacar
Complete a mission in Lumer Pass
Complete a mission in Phasse
Complete a mission in Sailemar
Complete a mission in Pylon
Complete a mission in Colowis
Complete a mission in Scrabler Belt
Complete a mission in Bloom
Complete a mission in Aspil
Complete a mission in Tarion
Complete a mission in Pulsar Vector
Complete a mission in Niss
Complete a mission in Paradise
Complete a mission in Ityl
Complete a mission in Eolutch
Complete a mission in Tridenkor
Complete a mission in Spiral
Complete a mission in Nebula
Complete a mission in Archmist
Complete a mission in Mzenim
Complete retrieval mission
Complete elimination mission
Complete siege mission
Reach level 75
Reach level 90
Jam minion three times
Activate Era's End ability
Destroy a siege unit before it releases its first sphere
Destroy a minion without weapons on your spaceship
Loot cache in Tarion
Destroy three or more shields simultaneously with Shatter ability
Find a life rune in Bloom
Claim generic weapons as a mission reward five times in a row
Destroy 100 modified minions
Use 1000 alloy to repair your spaceship
Destroy 5 minions with the same obelisk
Defeat a boss with difficulty level 10 and no alloy container
Complete a mission in Silaar
Complete a mission in High Path
Complete a mission in Charred Link
Complete a mission in Rift
Complete a mission in Broken Infinity
Use reliquary item
Fire seven or more missiles with Swarm Control ability
Detonate 40 or more mines simultaneously with Detonate ability
Destroy Light Eater Eashor
Destroy Shadow Maker Numinir
Destroy Planet Killer Astrail
Destroy Swarm Former Hivind
Destroy Void Shaper Tenerata
Destroy Shield Breaker Ligwitch
Destroy Fear Bringer Ourend
Destroy Plague Carrier Malasmar
Complete mission 4
Complete mission 5
Complete mission 6
Complete mission 7
Complete mission 8
Complete mission 9
Complete mission 10
Complete mission 11
Complete mission 12
Complete mission 13
Complete mission 14
Complete a mission in War Path
Complete a mission in White Grid
Complete a mission with Etherion's Clash set effect active
Complete a mission with Cor's Voidshape set effect active
Complete a mission with Ultranid's Torment set effect active
Complete a mission with Kithalia's Blight set effect active
Complete a mission with Oesa's Radiance set effect active
Complete a mission with Azimar's Killframe set effect active
Complete a mission with Lodeon's Ultimatum set effect active
Destroy three or more minions simultaneously with Ionize ability
Get part upgraded by part upgrade chance
Destroy apex
Activate Awakening of Inner Power ability
Activate Guardian of a Thousand Worlds ability
Demolish ten ruins in a row
Destroy the Eight Machines without failures
Destroy over 100 minions during elimination mission
Collect enough data before killing ten or more minions
Get five or more high grade parts from Techamer
Get five or more high grade parts from part case
Destroy 20 large minions during arena mission
Complete kill mission after destroying 100 minions
Complete time attack mission in 35 seconds or less
Complete siege mission with 100% accuracy and no leftover ammo
Destroy 1000 modified minions
Have 4 relics installed
Clear instance
Clear ten instances
Obtain all relics
Have 30 fractal or better parts installed
Have 1000000 or more maximum armor
Have 1000000 or more weapon damage
Install part with ten or more properties
Reach level 60
Have a stack of 10 or more amplifiers
Change part skin
Create relic by fusing relic fragments