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