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