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