Here is the full list of all 24 Star Devil achievements.
Killed 10 aliens
Killed 250 aliens
Killed 1000 aliens
Kill 10 aliens unarmed
Kill 250 aliens unarmed
Kill 1000 aliens unarmed
Kill 10 aliens with a melee weapon
Kill 250 aliens with a melee weapon
Kill 1000 aliens with a melee weapon
Kill 10 aliens with a firearm
Kill 250 aliens with a firearm
Kill 1000 aliens with a firearm
Destroy 250 alien eggs
Destroy 1000 human structures
Get to docks
Get to entertainment
Get to hospital
Get to engineering
Get to arboretum
Get to core
Get to nest
Get to -||< O >||-
Completed level in co-op without anybody dying
Get clone from cloner