Here is the full list of all 40 Redeemer: Enhanced Edition achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Feed the fish in Chapter 1
Shut down the engines in Chapter 15
Destroy more than 50% of the walls in Chapter 14
Forward, Forward, High Punch. Chapter 12
Mince some meat in Chapter 11
Be careful with the glass in Chapter 10
Complete every chapter with 0 deaths.
Be quicker than the big guys in Chapter 9
Clean out the greenhouse in Chapter 8
Let the others do your work in Chapter 7
Cook some kebabs in Chapter 5
Who's there? Chapter 3
Do it the oldschool way in Chapter 2
Beat all Arena levels.
Complete the game on hardcore mode
This is a zero-waste production facility. Chapter 13
Perform 100 stealth kills.
Complete the game
End the rivalry once and for all
Perform 300 parries.
Execute 300 enemies.
Break 100 weapons
Defeat the guardians.
Shoot 500 enemies.
Restore 1000% of health
Kill 150 enemies using the environment
Kill three enemies simultaneously
Kill 75 enemies using the environment
Add a bit of pacifism to this bloodbath. Chapter 6
Kill five enemies simultaneously
Win the duel against an old firend.
Restore health from near death to full
Turn the ruins into a crypt in Chapter 4
Parry 50 times
Shoot 50 enemies
Perform 40 stealth kills.
Kill 25 enemies using the environment
Kill two enemies simultaneously
Execute 30 enemies.
Kill 3 enemies while Vasily is near death