Full list of all 29 Assault Android Cactus achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Destroy 3 enemies by driving another enemy through them with the Giga Drill
Earn an S+ ranking on all campaign levels
Collect every Battery dropped in the Showdown level
Lead the laser turret to defeat Medulla
Unlock all items in the Codex
Unlock all items in EX Options
Play as 8 Androids
Complete Boss Rush mode
Reach Layer 25 in Infinity Drive mode
Finish any level without taking damage
Reach a chain of 1000
Defeat one of Embryo's phases before he can relocate
Reach Layer 15 in Infinity Drive mode
Unlock all items in the Art Gallery
Rescue the Genki Star
Destroy 15,000 homicidal robots
Cause 3 mines to explode in succession without being shot
Defeat Superstructure Engineer Venom
Destroy seven enemies with a single Rail Gun shot
Defeat Security Administrator Justice
Destroy every laser fence In Justice's first phase
Destroy an enemy with Helo while it's caught by a Singularity
Defeat Hydroponics Controller Vespula
Defeat Production Overlord Embryo
Drop a cannonball down the hole in Filament
Activate an EX Option
Unlock any item that costs credits
Earn an S+ rank on any level
Reach a chain of 100