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.
Turn the ruins into a crypt in Chapter 4
Beat all Arena levels.
Complete the game on hardcore mode
Complete every chapter with 0 deaths.
Perform 300 parries.
Execute 300 enemies.
Perform 100 stealth kills.
Break 100 weapons
Kill 150 enemies using the environment
Shoot 500 enemies.
Complete the game
Shut down the engines in Chapter 15
End the rivalry once and for all
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
Kill 75 enemies using the environment
Be careful with the glass in Chapter 10
Defeat the guardians.
Restore 1000% of health
Kill 3 enemies while Vasily is near death
Be quicker than the big guys in Chapter 9
Clean out the greenhouse in Chapter 8
Parry 50 times
Shoot 50 enemies
Let the others do your work in Chapter 7
Add a bit of pacifism to this bloodbath. Chapter 6
Perform 40 stealth kills.
Kill five enemies simultaneously
Kill two enemies simultaneously
Kill three enemies simultaneously
Win the duel against an old firend.
Kill 25 enemies using the environment
Cook some kebabs in Chapter 5
Restore health from near death to full
Who's there? Chapter 3
Execute 30 enemies.
Do it the oldschool way in Chapter 2
Feed the fish in Chapter 1