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
Restore health from near death to full
Kill 3 enemies while Vasily is near death
Complete every chapter with 0 deaths.
Perform 300 parries.
Mince some meat in Chapter 11
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
Perform 100 stealth kills.
Kill 150 enemies using the environment
Shoot 500 enemies.
Turn the ruins into a crypt in Chapter 4
Cook some kebabs in Chapter 5
Who's there? Chapter 3
Do it the oldschool way in Chapter 2
Beat all Arena levels.
Complete the game
Shut down the engines in Chapter 15
End the rivalry once and for all
Break 100 weapons
Destroy more than 50% of the walls in Chapter 14
Execute 300 enemies.
This is a zero-waste production facility. Chapter 13
Forward, Forward, High Punch. Chapter 12
Parry 50 times
Restore 1000% of health
Be careful with the glass in Chapter 10
Defeat the guardians.
Kill 75 enemies using the environment
Clean out the greenhouse in Chapter 8
Perform 40 stealth kills.
Kill five enemies simultaneously
Kill three enemies simultaneously
Shoot 50 enemies
Win the duel against an old firend.
Kill 25 enemies using the environment
Execute 30 enemies.
Feed the fish in Chapter 1
Kill two enemies simultaneously