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