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