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
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
Let the others do your work in Chapter 7
Be quicker than the big guys in Chapter 9
Perform 300 parries.
Add a bit of pacifism to this bloodbath. Chapter 6
Turn the ruins into a crypt in Chapter 4
Execute 300 enemies.
Cook some kebabs in Chapter 5
Who's there? Chapter 3
Shoot 500 enemies.
Do it the oldschool way in Chapter 2
Complete the game
End the rivalry once and for all
Defeat the guardians.
Restore 1000% of health
Perform 100 stealth kills.
Break 100 weapons
Restore health from near death to full
Kill 150 enemies using the environment
Kill 3 enemies while Vasily is near death
Perform 40 stealth kills.
Clean out the greenhouse in Chapter 8
Kill five enemies simultaneously
Kill three enemies simultaneously
Kill 75 enemies using the environment
Beat all Arena levels.
Kill two enemies simultaneously
Win the duel against an old firend.
Shoot 50 enemies
Execute 30 enemies.
Parry 50 times
Kill 25 enemies using the environment
Feed the fish in Chapter 1