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
Kill 3 enemies while Vasily is near death
Perform 300 parries.
Beat all Arena levels.
Forward, Forward, High Punch. Chapter 12
Mince some meat in Chapter 11
Be quicker than the big guys in Chapter 9
Complete every chapter with 0 deaths.
Shoot 500 enemies.
Perform 100 stealth kills.
Cook some kebabs in Chapter 5
Do it the oldschool way in Chapter 2
Kill 150 enemies using the environment
Add a bit of pacifism to this bloodbath. Chapter 6
Break 100 weapons
Complete the game
Execute 300 enemies.
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
Be careful with the glass in Chapter 10
Defeat the guardians.
Restore 1000% of health
Restore health from near death to full
Kill 75 enemies using the environment
Clean out the greenhouse in Chapter 8
Parry 50 times
Let the others do your work in Chapter 7
Kill 25 enemies using the environment
Kill three enemies simultaneously
Kill five enemies simultaneously
Win the duel against an old firend.
Perform 40 stealth kills.
Shoot 50 enemies
Turn the ruins into a crypt in Chapter 4
Kill two enemies simultaneously
Execute 30 enemies.
Who's there? Chapter 3
Feed the fish in Chapter 1