Here is the full list of all 21 Devastation 2 - there are Repatriation achievements.
Used hyper mode 3 times on Arcade, Hardcore, or Onelife modes in a single level.
Destroyed over 2000 enemies with Machine Gun weapon.
Destroyed over 2000 enemies with Spreader weapon.
Destroyed over 2000 enemies with Rail Carbine weapon.
Destroyed over 30 enemies with Photon Laser while Hyper Mode is active.
Destroyed over 20 enemies with a Single Fusion Blast.
Spent 5000 or more core points in the Upgrade Menu.
Have over 5000 or more core points in your inventory.
Finish the game on Arcade, Hardcore, or One-Life modes using only the Machine Gun weapon.
Activated Cyber Mode while enigma Cannon is equipped.
Absorbed and dealt over 200 damage with Core Absorption.
Installed the DV-System Attachment.
Maxed out the multiplier at x500 during Combo Mode.
Reach a total score of over 50,000,000 points on Arcade, Hardcore, or One Life modes.
Installed all Normal Color Concepts.
Obtained a 1-up Power Up from an enemy.
Obtained all weapons in the game.
Finished Arcade, Hardcore or One-Life mode on Nightmare Difficulty.
Finished the game on One-Life Mode on any Difficulty.
Finished the game on Hardcore Mode on any Difficulty.
Reach a total score of 50,000,000 on Survival mode.