Here is the full list of all 29 ArcRunner achievements.
Complete the tutorial
Clear The City
Clear the Docks
Clear Eden
Clear the Outer Core
Clear the Inner Core
Integrate with KORE
Destroy KORE
Install a Nanite Upgrade in the Cryochamber
Install 10 different Nanite Upgrades
Enhance a Nanite Upgrade to level 5
Install 3 weapon mods into a weapon
Complete the game on Hard difficulty
Use the Autodoc to install an Augment
Install 15 different Augments in one run
Fully upgrade an Augment
Fully upgrade 3 different Augments
Unlock a weapon in the Armoury
Unlock 10 weapons in the Armoury
Defeat 100 enemies
Defeat 250 enemies
Defeat 500 enemies
Defeat 10 elites
Complete a Challenge
Complete 10 Challenges
Use 5 different Gadgets in one run
Defeat 200 enemies using Melee attacks
Loot 30 Supply Crates
Complete the game on Hell difficulty