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
End the rivalry once and for all
Break 100 weapons
Shoot 500 enemies.
Defeat the guardians.
Restore 1000% of health
Kill 75 enemies using the environment
Kill three enemies simultaneously
Perform 40 stealth kills.
Kill five enemies simultaneously
Win the duel against an old firend.
Shoot 50 enemies
Kill 25 enemies using the environment
Turn the ruins into a crypt in Chapter 4
Execute 30 enemies.
Who's there? Chapter 3
Kill two enemies simultaneously
Feed the fish in Chapter 1
Do it the oldschool way in Chapter 2
Cook some kebabs in Chapter 5
Add a bit of pacifism to this bloodbath. Chapter 6
Let the others do your work in Chapter 7
Clean out the greenhouse in Chapter 8
Be quicker than the big guys in Chapter 9
Be careful with the glass in Chapter 10
Mince some meat in Chapter 11
Forward, Forward, High Punch. Chapter 12
This is a zero-waste production facility. Chapter 13
Destroy more than 50% of the walls in Chapter 14
Shut down the engines in Chapter 15
Complete the game on hardcore mode
Kill 150 enemies using the environment
Execute 300 enemies.
Restore health from near death to full
Kill 3 enemies while Vasily is near death
Parry 50 times
Perform 100 stealth kills.
Complete every chapter with 0 deaths.
Beat all Arena levels.
Perform 300 parries.