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.
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
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
Kill 150 enemies using the environment
Execute 300 enemies.
Who's there? Chapter 3
Do it the oldschool way in Chapter 2
Break 100 weapons
Perform 300 parries.
Beat all Arena levels.
Complete the game
Shoot 500 enemies.
End the rivalry once and for all
Perform 100 stealth kills.
Restore 1000% of health
Defeat the guardians.
Kill 75 enemies using the environment
Restore health from near death to full
Clean out the greenhouse in Chapter 8
Kill 3 enemies while Vasily is near death
Kill three enemies simultaneously
Kill five enemies simultaneously
Win the duel against an old firend.
Shoot 50 enemies
Perform 40 stealth kills.
Kill 25 enemies using the environment
Turn the ruins into a crypt in Chapter 4
Execute 30 enemies.
Parry 50 times
Feed the fish in Chapter 1
Kill two enemies simultaneously