Here is the full list of all 24 A.R.E.S.: Extinction Agenda achievements.
Finish all of the stages without dying
In Hard Mode, defeat all the bosses using only the Zytron Blaster
Perfect the Carrion boss fight
Perfect the Prime Guardian boss fight
Collect all the Data cubes
Finish the game once
Finish all of the stages without using a single repair kit
Achieve Synthesis Soldier rank 'SS'
Finish all of the in-game tutorials
Upgrade one of your weapons to its maximum level
Discover and use your first repair machine
Maximize your attack combo
Achieve Synthesis Soldier rank 'S'
Perfect the Sentinel boss fight
Perfect the Goliath boss fight
Destroy 1000 enemies
Achieve Synthesis Soldier rank 'A'
Watch all the cut-scenes without skipping
Collect 1000 units of each material type
Trick a Bomber to hit and destroy a Zytron Walker (LA)
Destroy 5 or more enemies, at once with Valkyl's Zypher Cannon
Stun 10 enemies with the EMP grenade
Destroy 10 enemies, using your Dash Attack
Destroy 20 enemies, using your Grenade Attack