Here is the full list of all 32 High Entropy: Challenges achievements.
Reach ending A of the challenges.
In level 13, neutralize 5 walking turrets.
Finish levels 1-7 with a 100% score.
Finish levels 8-12 with a 100% score.
Finish levels 13-14 with a 100% score.
Finish level 10 undetected.
Finish level 12 undetected.
Finish level 13 undetected.
Finish level 14 undetected.
Earn the 4 Path Of Shadows achievements.
Finish level 10 with 4 scrap parts or more.
Finish level 12 with 4 scrap parts or more.
Finish level 13 with 7 scrap parts or more.
Finish level 14 with 6 scrap parts or more.
Earn the 4 Path Of Fists achievements.
In level 10, use grenades to neutralize all the bots.
Reach ending B of the challenges.
In level 14, find a coin in the vents.
In level 14, unlock the wall safe from a computer.
In level 13, crack a computer's passwords.
In level 11, receive no damage.
In level 11, neutralize an enemy using friendly fire.
In level 9, get to the bathroom.
In level 8, disable the tripwires using the command line.
In level 7, neutralize the bot using fire.
In level 7, find the blue origami crane.
In level 6, neutralize all the bots.
In level 5, pick the lock.
In level 4, make the bot react to a noise.
In level 3, find the blue origami crane.
In level 2, make a path to the elevator.
In level 1, unlock the door.