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.
Complete the game on hardcore mode
Shut down the engines in Chapter 15
Kill 3 enemies while Vasily is near death
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
Let the others do your work in Chapter 7
Cook some kebabs in Chapter 5
Execute 300 enemies.
Add a bit of pacifism to this bloodbath. Chapter 6
Perform 300 parries.
Perform 100 stealth kills.
Break 100 weapons
Who's there? Chapter 3
Do it the oldschool way in Chapter 2
Kill 150 enemies using the environment
Feed the fish in Chapter 1
Beat all Arena levels.
Complete the game
End the rivalry once and for all
Restore health from near death to full
Parry 50 times
Shoot 500 enemies.
Restore 1000% of health
Defeat the guardians.
Clean out the greenhouse in Chapter 8
Kill 75 enemies using the environment
Kill three enemies simultaneously
Perform 40 stealth kills.
Kill five enemies simultaneously
Win the duel against an old firend.
Shoot 50 enemies
Turn the ruins into a crypt in Chapter 4
Execute 30 enemies.
Kill 25 enemies using the environment
Kill two enemies simultaneously