Here is the full list of all 142 Stellar Interface achievements.
Died 50 times.
Used consumables 50 times.
Visited 10 Overlords.
Played for 10 hours.
Killed 20000 enemies.
Unlocked Star Fury.
Defeated Space Winner 5 times.
Defeated Homunculus 3 times.
Completed 5 different gold missions.
Defeated Space Winner 3 times.
Defeated Homunculus 1 time.
Stocked up 20 cartridges without using them
Completed 10 different bronze missions.
Killed 20 bosses.
Defeated The Hive 5 times.
Defeated Hober Mallow 5 times.
Unlocked Eagle.
Defeated Space Winner 1 time.
Cleared 200 levels.
Cleared 20 levels in a single run.
Defeated The Hive 3 times.
Unlocked Dove.
Visited 10 Lost Lords.
Defeated The Hive 1 time.
Accumulate at least 10 usages of a single consumable.
Killed 10 bosses.
Unlocked Lily.
Killed 10000 enemies.
Defeated Hober Mallow 3 times.
Played for 5 hours.
Defeated Hober Mallow 1 time.
Installed 50 different softwares.
Visited 100 regular levels.
Unlocked Kilgore.
Cleared 100 levels.
Died 10 times.
Completed 5 different bronze missions.
Killed 5000 enemies.
Visited 10 merchants.
Unlocked Erebus.
Visited your first Lost Lord.
Cleared all levels 1 time.
Completed a level without any casualties.
Cleared 50 levels.
No damage taken in 3 consecutive levels.
Ate two meals.
Installed 25 different softwares.
Played for 1 hour.
Used consumables 10 times.
Visited your first Overlord.
Killed 1000 enemies.
Installed 10 different softwares.
Visited 10 regular levels.
Cleared 10 levels.
Killed 500 enemies.
Unlocked Corvette.
Coated some iron in your skin, then electrified it.
Installed 5 different softwares.
Visited your first merchant.
Killed 100 enemies.
Killed 10 enemies.
Cleared all levels 2 times.
Cleared all levels 5 times.
Cleared all levels 10 times.
Cleared all levels 20 times.
Cleared all levels 50 times.
Used consumables 100 times.
Used consumables 500 times.
Used consumables 1000 times.
Died 100 times.
Died 200 times.
Died 500 times.
Died 1000 times.
Cleared 500 levels.
Cleared 1000 levels.
Visited 100 merchants.
Visited 1000 merchants.
Visited 50 Lost Lords.
Visited 100 Lost Lords.
Visited 25 Overlords.
Visited 50 Overlords.
Visited 100 Overlords.
Visited 500 regular levels.
Visited 1000 regular levels.
Visited 2000 regular levels.
Installed 80 different softwares.
Played for 20 hours.
Played for one day.
Have 10 active drones.
Killed 50 bosses.
Killed 100 bosses.
Killed 500 bosses.
Killed 1000 bosses.
Killed 50000 enemies.
Killed 100000 enemies.
Defeated Homunculus 5 times.
Unlocked Stag.
Installed quintuple projectiles and quintuple radial projectiles.
Got your projectiles 2x bigger and your spacecraft 2x smaller.
Had Joy, Capitalist Consumerist, Salty Elixir and Cloverleaf installed at the same time.
Cleared 2001 levels.
Flew for 1h with each spacecraft.
Flew for 2h with each spacecraft.
Flew for 3h with each spacecraft.
Completed all missions in a run.
Had 20 active drones.
Completed 20 different bronze missions.
Completed all bronze missions.
Completed 5 different silver missions.
Completed 10 different silver missions.
Completed 20 different silver missions.
Completed all silver missions.
Completed 10 different gold missions.
Completed 20 different gold missions.
Completed all gold missions.
Used all softwares at least once.
Used all consumables at least once.
Obtained all badges in all spacecrafts.
Unlocked all achievements!
Proved that you are the strongest of them all.
Proved that you are the strongest of them all, 3 times
Proved that you are the strongest of them all, 5 times.