Here is the full list of all 28 Above the Stars achievements.
Unlock the Machine Gun
Unlock the Photon Blaster
Unlock the Laser Relay
Unlock the Flak Cannon
Unlock the Missile Silo
Unlock the Hive
Unlock the Tri Beam
Unlock the Tesla Array
Reach Machina
Reach Draco
Reach Radient
Reach Lux
Defeat Elris
Defeat Vendetta-041
Defeat Enrah
Defeat The final boss of the game!
End a level with a little loot
End a level with a little more loot
End a level with a lot more loot
End a level with a whole lot more loot
End a level with load of loot
End a level with a crap ton
End a level with an absurd amount of loot!
End a level with too much loot!!
LOOOOOOOOOOOOOOOOT!!!
The great minds up on the former have achieved the pinnacle of scientific ingenuity
I don’t know why the Ark thirsts for human blood, but we have finally sated its thirst.
You've fully upgraded the shipyard, a shield of iron to defend our world!