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