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
Perform 40 stealth kills.
Who's there? Chapter 3
Execute 30 enemies.
Do it the oldschool way in Chapter 2
Feed the fish in Chapter 1
Cook some kebabs in Chapter 5
Win the duel against an old firend.
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
Defeat the guardians.
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
End the rivalry once and for all
Shut down the engines in Chapter 15
Complete the game
Complete the game on hardcore mode
Kill two enemies simultaneously
Kill three enemies simultaneously
Kill five enemies simultaneously
Kill 25 enemies using the environment
Kill 75 enemies using the environment
Kill 150 enemies using the environment
Break 100 weapons
Execute 300 enemies.
Restore 1000% of health
Restore health from near death to full
Kill 3 enemies while Vasily is near death
Parry 50 times
Shoot 50 enemies
Shoot 500 enemies.
Perform 100 stealth kills.
Complete every chapter with 0 deaths.
Beat all Arena levels.
Perform 300 parries.